 Patent Application Title |
Patent App Num. |
Date |
| Laser beam source device, lighting device, image display apparatus, and monitoring apparatus | 20110019704 | 20110127 |
| A laser beam source device includes: a light source which emits light having fundamental wavelength; a wavelength conversion element which converts the light having fundamental wavelength into light having conversion wavelength; a resonance element which transmits first light converted into the conversion wavelength light and reflects light not converted; an optical path conversion element which releases second light contained in the light reflected by the resonance element and converted into the conversion wavelength light in the same direction as the direction of the first light, and releases the light not converted toward the light source; and a supporting member. The resonance element is disposed in such a position that one end surface of the resonance element on the second light side is shifted to the supporting... |
| Optical and illumination techniques for position sensing systems | 20110019204 | 20110127 |
| An optical unit includes a body, at least one lens, and a sensor. An optical member can be used to reflect and/or refract light within the body and onto the sensor, with the result that the overall length of the optical unit can be reduced. When positioned at a corner or another location relative to a touch area, the optical unit will have a wider view than a unit with a longer overall length. An integrated optical unit can be used at one or more locations to provide stereo imaging. The integrated optical unit can include optics that route light to and/or from the optical unit through a single aperture of the optical unit but along different optical paths. The light routed along different paths can... |
| Optical element, lithographic apparatus including such an optical element, device manufacturing method, and device manufactured thereby | 20110019174 | 20110127 |
| An optical element includes a first layer that includes a first material, and is configured to be substantially reflective for radiation of a first wavelength and substantially transparent for radiation of a second wavelength. The optical element includes a second layer that includes a second material, and is configured to be substantially absorptive or transparent for the radiation of the second wavelength. The optical element includes a third layer that includes a third material between the first layer and the second layer, and is substantially transparent for the radiation of the second wavelength and configured to reduce reflection of the radiation of the second wavelength from a top surface of the second layer facing the first layer. The first layer is located upstream in the optical... |
| Image projector | 20110019153 | 20110127 |
| Image projector can include a first optical system for producing a first image polarized into a first polarized light, a second optical system for producing a second image polarized into a second polarized light, a polarized light splitting device for reflecting one of the first polarized light and the second polarized light and transmitting the other one such that the first image and the second image travel on the same optical path, and a projecting lens for enlarging and projecting the first and second images from the polarized light splitting device.
... |
| High brightness x-ray generating device and method | 20110013749 | 20110120 |
| A high brightness X-ray generator and a high brightness X-ray generating method are provided which are able to promote an increase in X-ray brightness (i.e., an increase in an X-ray output) while suppressing an excessive increase in the cost of optical elements such as a laser unit, a mirror, and a lens. A high brightness X-ray generator generates an X-ray by inverse Compton scattering by colliding an electron beam with pulse laser light. There are provided a plurality of pulse laser units (32A, 32B) which emits a plurality of pulse laser lights (3a, 3b) in predetermined periods, an optical-path matching unit (34) which matches optical paths of the plurality of pulse laser lights, and a timing control unit (40) which controls timings of the optical-path matching... |
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| Dynamic wavelength converter | 20110013266 | 20110120 |
| A wavelength converter includes an optical resonator that is optically coupled to a waveguide. The refractive index of the optical resonator is dynamically changed, such as by injecting free carriers into the resonator. This effectively changes that optical path length of the light, thus converting the wavelength.
... |
| Retinal scanning display | 20110013246 | 20110120 |
| In a retinal scanning display, a light source part generates light modulated in response to an image signal relating to an image, and an image is displayed by scanning the light radiated from the light source part. The retinal scanning display includes a diffraction element which is arranged on an optical path of the light radiated from the light source part and diffracts light in a predetermined diffraction direction. The diffraction element is arranged such that the diffraction element is arranged such that a projection of a diffraction direction on the diffraction element with respect to a scanning direction of the scanning part becomes approximately 45 degrees.
... |
| Fingerprint imaging system | 20110013174 | 20110120 |
| A fingerprint imaging system configured to capture an image of a friction ridge pattern of a subject (e.g., a fingerprint, a palm print, a hand print, a footprint, etc.). The system may include one or more components that reduce the impact of ambient light on the performance of the system. In some implementations, the system may reduce the impact of ambient light without requiring additional power (e.g., to generate an increased amount of radiation) and without including “external” hoods and/or covers designed to block ambient light prior to the ambient light entering system. Instead, the system may reduce the impact of ambient light on performance by blocking ambient light internally within the system along an optical path of radiation used to electronically capture an image of... |
| Exposure apparatus, image forming apparatus, and hologram recording apparatus | 20110013156 | 20110120 |
| An exposure apparatus according to an exemplary embodiment of the invention includes a substrate in which plural light-emitting devices are arrayed one-dimensionally or two-dimensionally; and a hologram recording layer that is disposed on the substrate, plural holograms being recorded in the hologram recording layer by holographic interference between a first beam and a second beam such that a predetermined number of beam spots are disposed in the hologram recording layer in a predetermined array direction according to a portion of light-emitting devices, the portion of light-emitting devices being selected as emitters from the plural light-emitting devices, the beam spot being formed by a light beam of the second beam, the first beam passing through an optical path of diffusion light that passes through the emitter, the... |
| Image forming apparatus and method for controlling image forming method | 20110012981 | 20110120 |
| An image forming apparatus includes: an optical-path deflecting unit that deflects optical paths of optical beams in one group out of two groups, the optical beams being provided in a sub-scanning direction at a predetermined pitch; a scanning unit that scans a surface to in a main scanning direction with the one group of which the optical paths have been deflected and another group of which the optical paths are not deflected; and a control unit that controls the optical-path deflecting unit to deflect optical paths of the optical beams in the one group so that irradiation positions of the optical beams in the one group and irradiation positions of the optical beams in the another group are alternately arranged at regular intervals.
... |
| Positioning system and method using optically tracked anchor points | 20110010129 | 20110113 |
| A method and system for determining the location and attitude (roll, pitch, and yaw) of a moving object relative to an external reference frame by tracking unique two-dimensional patterns in the external reference frame from the moving object with displacement sensors. The displacement sensors lock onto the unique two-dimensional patterns by means of a steering mechanism which steers an optical path element capable of deviating the optical path using the displacement information from the relative movement of the two-dimensional patterns. The system is able to detect position and attitude to sub-millimeter accuracy without a physical connect between the moving object and the external reference frame and without a physical connection between the moving object and the external reference frame.
... |
| Optical sensors for combustion control | 20110008737 | 20110113 |
| Certain embodiments of the invention may include systems and methods for providing optical sensors for combustion control. According to an example embodiment of the invention, a method for controlling combustion parameters associated with a gas turbine combustor is provided. The method can include providing at least one optical path adjacent to a flame region in the combustor, detecting at least a portion of the light emission from the flame region within the at least one optical path, and controlling at least one of the combustion parameters based in part on the detected light emission.
... |
| Digital equalization apparatus and method for coherent optical receiver | 20110008059 | 20110113 |
| Disclosed are a digital equalization apparatus for a coherent optical receiver and a digital equalization method for a coherent optical receiver, capable of compensating for chromatic dispersion and polarization impairment through a digital signal processing, and capable of performing a clock recovery and a data recovery through a digital symbol synchronization. The digital equalization apparatus and the method compensate for various impairments occurring on an optical path in a digital manner and achieve synchronization through a simple structure.
... |
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| Optical cross-connect apparatus | 20110008041 | 20110113 |
| The present invention relates to an optical cross-connect apparatus supporting plural directions, and provides a method of effectively performing an alarm indication by a node supervisory unit of the optical cross-connect apparatus. The node supervisory unit includes an alarm indication information storage unit that manages a management table for each of the plural directions. The management table manages not only received alarm indication information but also “internal WSS input/output port optical fiber connection state”, “WSS optical path setting state on DROP/THROUGH selection side”, “transponder destination location”, and “destination direction”, with respect to each direction. Then, a process flow is added to match received FDI information with the management information stored in the management table for each direction, and to specify an alarm destination.
... |
| Objective lens and optical pickup apparatus | 20110007622 | 20110113 |
| Provided is an optical pickup device which can properly record and/or reproduce information on and/or from three types of discs having different recording densities and is simple in configuration and low cost. An objective lens is also provided. On the optical surface of the objective lens, an optical path difference giving structure is formed. Out of diffracted light generated when a first luminous flux enters the structure, second order diffracted light has the maximum diffraction volume. Out of diffracted light generated when a second luminous flux enters the structure, zero order diffracted light has the maximum diffraction volume. Out of diffracted light generated when a third luminous flux enters the structure, the minus first order diffracted light has the maximum diffraction volume.
... |
| Equal-path interferometer | 20110007323 | 20110113 |
| An optical assembly for use in an interferometer is provided. The optical assembly includes first and second partially reflective surfaces positioned along an optical axis and oriented at different non-normal angles to the optical axis. The second partially reflective surface is configured to receive light transmitted through the first partially reflective surface along the optical path, transmit a portion of the received light to a test object to define measurement light for the interferometer and reflect another portion of the received light back towards the first partially reflective surface to define reference light for the interferometer. The reference light makes at least one round trip path between the second and first partially reflective surfaces.
... |
| Method and arrangement for displacement | 20110007322 | 20110113 |
| A method and apparatus operable for displacing an image, which is transmitted by electromagnetic radiation, perpendicular to the direction of radiation by use of a rotatably disposed radiation-refracting body, located in the path of an imaging beam, having a refractive index that differs from the surrounding medium with regard to the radiation used. The method allows for precise image displacement. The rotation of the radiation-refracting body causing the displacement is measured, and the change of the optical path length caused by the angular change in a further electromagnetic beam utilized for the measurement is determined by evaluating the superimposition of the radiation reflected by a planar reflecting surface with the incident electromagnetic radiation. Part of the electromagnetic measurement beam, which is reflected on the surface of... |
| Lithographic apparatus, plasma source, and reflecting method | 20110007292 | 20110113 |
| A lithographic apparatus includes a plasma source that includes a vessel configured to enclose a plasma formation site, an optical device configured to transfer optical radiation to or from the vessel, and a reflector arranged in an optical path between the optical device and the plasma formation site source. The reflector is configured to reflect the optical radiation between the optical device and the plasma formation site. The reflector is formed, in operation, as a molten metal mirror.
... |
| Device for countering and tracking a threat in the form of a homing-head missile | 20110006222 | 20110113 |
| The invention concerns a device for countering and tracking a threat in the form of a homing-head missile, comprising a homing head adapted to receive an incident coherent light beam and to deflect same to produce a transmitted beam. The invention is characterized in that the homing head comprises a biprism including two prisms made of different materials and adapted to divide the transmitted beam into two sub-beams, the refractive index difference between the prisms being adapted to introduce an optical path difference between the two sub-beams which is greater than the coherence length of the incident beam.
... |
| Optical scanning apparatus and image forming apparatus using the same | 20110002712 | 20110106 |
| Provided is an optical scanning apparatus has a plurality of light emitting portions and an incident optical system including optical element, wherein each shape of optical surfaces in a main scanning section of optical elements is formed into a noncircular shape. When defining that W is a space between specific light emitting portions farthest from an optical axis in the main scanning direction, La is an optical path length between an aperture stop and a specific optical surface closest to the light source unit among the noncircular optical surfaces of the incident optical system, f1 is a focal length of the incident optical system in the main scanning direction, and D is a light flux width in the main scanning direction of a light flux emitted... |
| Systems and methods of optical path protection for distributed antenna systems | 20110002687 | 20110106 |
| Systems and methods for optical path protection for distributed antenna systems are provided. In one embodiment, a method is provided. The method comprises receiving an electrical uplink radio frequency signal; generating an uplink optical signal derived from the electrical uplink radio frequency signal; splitting the uplink optical signal for transmission on a primary uplink optical fiber and a secondary uplink optical fiber; combining any downlink optical signal received on a primary downlink optical communication medium and any downlink optical signal received on a second downlink optical communication medium in order to output a downlink optical signal; and generating a downlink radio frequency signal derived from the downlink optical signal.
... |
| Electrically-pumped semiconductor zigzag extended cavity surface emitting lasers and superluminescent leds | 20110002355 | 20110106 |
| A semiconductor surface emitting optical amplifier chip utilizes a zigzag optical path within an optical amplifier chip. The zigzag optical path couples two or more gain elements. Each individual gain element has a circular aperture and includes a gain region and at least one distributed Bragg reflector. In one implementation the optical amplifier chip includes at least two gain elements that are spaced apart and have a fill factor no greater than 0.5. As a result the total optical gain may be increased. The optical amplifier chip may be operated as a superluminescent LED. Alternately, the optical amplifier chip may be used with external optical elements to form an extended cavity laser. Individual gain elements may be operated in a reverse biased mode to support gain-switching... |
| Vehicular lamp | 20110002135 | 20110106 |
| A vehicular lamp includes: a lamp outer housing composed of a lamp housing with an opening on one side and a cover attached to the lamp housing to close the opening; a light source disposed inside the lamp outer housing; a reflector that is disposed inside the lamp outer housing, reflects light emitted from the light source, and is formed with an optical path notch or an optical path hole which serves as a path for a part of the light emitted from the light source; and a control optical section having a lens member attached to the reflector so as to close the optical path notch or the optical path hole, and controlling light emitted from the light source toward the optical path notch or... |
| Optical disc drive | 20110002117 | 20110106 |
| An optical disc drive includes: at least one light source; an objective lens configured to focus the light that has been emitted from the at least one light source; a chromatic aberration compensation element, which is arranged on an optical path between the at least one light source and the objective lens in order to compensate for chromatic aberration that has been produced by the objective lens; and an actuator configured to change a position of the objective lens. The actuator changes the position of the objective lens in a tracking direction by a magnitude of an offset, which is determined by a variation in wavelength of the light to be produced when the power of the light emitted from the at least one light source... |
| Projection optical system, exposure apparatus, and exposure method | 20110002032 | 20110106 |
| A catadioptric projection optical system for forming a reduced image of a first surface (R) on a second surface (W) is a relatively compact projection optical system having excellent imaging performance as well corrected for various aberrations, such as chromatic aberration and curvature of field, and being capable of securing a large effective image-side numerical aperture while suitably suppressing reflection loss on optical surfaces. The projection optical system comprises at least two reflecting mirrors (CM1, CM2), and a boundary lens (Lb) whose surface on the first surface side has a positive refracting power, and an optical path between the boundary lens and the second surface is filled with a medium (Lm) having a refractive index larger than 1.1. Every transmitting member and every reflecting member with... |
| Polarization-separation device, optical scanning apparatus, and image forming apparatus | 20110002025 | 20110106 |
| A polarization-separation device includes: a beam splitter that includes a beam-separating surface, on which a light beam that contains a first light beam and a second light beam impinges, wherein polarization direction of the first light beam and polarization direction of the second light beam are perpendicular to each other, and incident angle of the first light beam and incident angle of the second beam vary independently while incident into the beam-separating surface; a first polarizer arranged in an optical path of light beams having transmitted through the beam splitter, and allows the first light beam to transmit therethrough; and a second polarizer arranged in an optical path of light beams reflected from the beam splitter, and allows the second light beam to transmit therethrough.
... |
| Fiber bragg grating devices utilizing slow light | 20110001981 | 20110106 |
| In certain embodiments, an optical device and a method of use is provided. The optical device includes a fiber Bragg grating having a substantially periodic refractive index modulation along a length of the fiber Bragg grating. The fiber Bragg grating has a power transmission spectrum with a plurality of local transmission minima, wherein each pair of neighboring local transmission minima has a local transmission maximum therebetween. The local transmission maximum has a maximum power at a transmission peak wavelength. The optical device further includes a narrowband optical source in optical communication with a first optical path and a second optical path. The narrowband optical source is configured to generate light having a wavelength at or in the vicinity of a local transmission maximum or at or... |
| Phase modulation device for an ophthalmic instrument, ophthalmic instruments equipped with such device, and related calibration method | 20110001930 | 20110106 |
| A phase modulation device implemented in an ophthalmic instrument using a main light beam interacting with an eye, the device including: an apparatus for modulating the phase of the wave front of the main light beam, a controller for controlling the phase modulation apparatus following a modulation instruction, and an analyzer for analyzing the thus-performed modulation of the phase of the wave front of the main light beam, further including emitting a secondary light beam, an apparatus for directing the secondary light beam along an optical path to the modulation apparatus, then to the analyzer, and in that the optical path does not pass through the eye, and in that the controller and the analyzer receiving the modulated secondary light beam cooperate, during a stage called... |
| Light emitting module with optically-transparent thermally-conductive element | 20110001157 | 20110106 |
| A light emitting module with improved optical functionality and reduced thermal resistance is described, which comprises a light emitting device (LED), a wavelength converting (WC) element and an inorganic optically-transmissive thermally-conductive (OTTC) element. The WC element is capable of absorbing light generated from the LED at a specific wavelength and re-emitting light having a different wavelength. The re-emitted light and any unabsorbed light exits through at least one surface of the module. The OTTC is in physical contact with the WC element and at least partially located in the optical path of the light. The OTTC comprises one or more layers of inorganic material having a thermal conductivity greater than that of the WC element. As such, a compact unitary integrated module is provided with excellent... |
| Electromagnetic wave measuring apparatus, measuring method, program, and recording medium | 20110001048 | 20110106 |
| According to the present invention, an electromagnetic wave measurement device includes an electromagnetic wave output device, an electromagnetic wave detector, a relative position changing unit, a delay period recording unit, a phase deriving unit, a delay-corrected phase deriving unit, a sinogram deriving unit, and an image deriving unit. The electromagnetic wave output device outputs an electromagnetic wave having a frequency equal to or more than 0.01 [THz] and equal to or less than 100 [THz] toward a device under test and a container storing at least a part of the device under test. The electromagnetic wave detector detects the electromagnetic wave which has transmitted through the device under test. The relative position changing unit changes a relative position of an intersection at which an optical path... |
| High brightness x-ray generating device and method | 20110013749 | 20110120 |
| A high brightness X-ray generator and a high brightness X-ray generating method are provided which are able to promote an increase in X-ray brightness (i.e., an increase in an X-ray output) while suppressing an excessive increase in the cost of optical elements such as a laser unit, a mirror, and a lens. A high brightness X-ray generator generates an X-ray by inverse Compton scattering by colliding an electron beam with pulse laser light. There are provided a plurality of pulse laser units (32A, 32B) which emits a plurality of pulse laser lights (3a, 3b) in predetermined periods, an optical-path matching unit (34) which matches optical paths of the plurality of pulse laser lights, and a timing control unit (40) which controls timings of the optical-path matching... |
| Dynamic wavelength converter | 20110013266 | 20110120 |
| A wavelength converter includes an optical resonator that is optically coupled to a waveguide. The refractive index of the optical resonator is dynamically changed, such as by injecting free carriers into the resonator. This effectively changes that optical path length of the light, thus converting the wavelength.
... |
| Retinal scanning display | 20110013246 | 20110120 |
| In a retinal scanning display, a light source part generates light modulated in response to an image signal relating to an image, and an image is displayed by scanning the light radiated from the light source part. The retinal scanning display includes a diffraction element which is arranged on an optical path of the light radiated from the light source part and diffracts light in a predetermined diffraction direction. The diffraction element is arranged such that the diffraction element is arranged such that a projection of a diffraction direction on the diffraction element with respect to a scanning direction of the scanning part becomes approximately 45 degrees.
... |
| Fingerprint imaging system | 20110013174 | 20110120 |
| A fingerprint imaging system configured to capture an image of a friction ridge pattern of a subject (e.g., a fingerprint, a palm print, a hand print, a footprint, etc.). The system may include one or more components that reduce the impact of ambient light on the performance of the system. In some implementations, the system may reduce the impact of ambient light without requiring additional power (e.g., to generate an increased amount of radiation) and without including “external” hoods and/or covers designed to block ambient light prior to the ambient light entering system. Instead, the system may reduce the impact of ambient light on performance by blocking ambient light internally within the system along an optical path of radiation used to electronically capture an image of... |
| Exposure apparatus, image forming apparatus, and hologram recording apparatus | 20110013156 | 20110120 |
| An exposure apparatus according to an exemplary embodiment of the invention includes a substrate in which plural light-emitting devices are arrayed one-dimensionally or two-dimensionally; and a hologram recording layer that is disposed on the substrate, plural holograms being recorded in the hologram recording layer by holographic interference between a first beam and a second beam such that a predetermined number of beam spots are disposed in the hologram recording layer in a predetermined array direction according to a portion of light-emitting devices, the portion of light-emitting devices being selected as emitters from the plural light-emitting devices, the beam spot being formed by a light beam of the second beam, the first beam passing through an optical path of diffusion light that passes through the emitter, the... |
| Image forming apparatus and method for controlling image forming method | 20110012981 | 20110120 |
| An image forming apparatus includes: an optical-path deflecting unit that deflects optical paths of optical beams in one group out of two groups, the optical beams being provided in a sub-scanning direction at a predetermined pitch; a scanning unit that scans a surface to in a main scanning direction with the one group of which the optical paths have been deflected and another group of which the optical paths are not deflected; and a control unit that controls the optical-path deflecting unit to deflect optical paths of the optical beams in the one group so that irradiation positions of the optical beams in the one group and irradiation positions of the optical beams in the another group are alternately arranged at regular intervals.
... |
| Positioning system and method using optically tracked anchor points | 20110010129 | 20110113 |
| A method and system for determining the location and attitude (roll, pitch, and yaw) of a moving object relative to an external reference frame by tracking unique two-dimensional patterns in the external reference frame from the moving object with displacement sensors. The displacement sensors lock onto the unique two-dimensional patterns by means of a steering mechanism which steers an optical path element capable of deviating the optical path using the displacement information from the relative movement of the two-dimensional patterns. The system is able to detect position and attitude to sub-millimeter accuracy without a physical connect between the moving object and the external reference frame and without a physical connection between the moving object and the external reference frame.
... |
| Optical sensors for combustion control | 20110008737 | 20110113 |
| Certain embodiments of the invention may include systems and methods for providing optical sensors for combustion control. According to an example embodiment of the invention, a method for controlling combustion parameters associated with a gas turbine combustor is provided. The method can include providing at least one optical path adjacent to a flame region in the combustor, detecting at least a portion of the light emission from the flame region within the at least one optical path, and controlling at least one of the combustion parameters based in part on the detected light emission.
... |
| Digital equalization apparatus and method for coherent optical receiver | 20110008059 | 20110113 |
| Disclosed are a digital equalization apparatus for a coherent optical receiver and a digital equalization method for a coherent optical receiver, capable of compensating for chromatic dispersion and polarization impairment through a digital signal processing, and capable of performing a clock recovery and a data recovery through a digital symbol synchronization. The digital equalization apparatus and the method compensate for various impairments occurring on an optical path in a digital manner and achieve synchronization through a simple structure.
... |
| Optical cross-connect apparatus | 20110008041 | 20110113 |
| The present invention relates to an optical cross-connect apparatus supporting plural directions, and provides a method of effectively performing an alarm indication by a node supervisory unit of the optical cross-connect apparatus. The node supervisory unit includes an alarm indication information storage unit that manages a management table for each of the plural directions. The management table manages not only received alarm indication information but also “internal WSS input/output port optical fiber connection state”, “WSS optical path setting state on DROP/THROUGH selection side”, “transponder destination location”, and “destination direction”, with respect to each direction. Then, a process flow is added to match received FDI information with the management information stored in the management table for each direction, and to specify an alarm destination.
... |
| Objective lens and optical pickup apparatus | 20110007622 | 20110113 |
| Provided is an optical pickup device which can properly record and/or reproduce information on and/or from three types of discs having different recording densities and is simple in configuration and low cost. An objective lens is also provided. On the optical surface of the objective lens, an optical path difference giving structure is formed. Out of diffracted light generated when a first luminous flux enters the structure, second order diffracted light has the maximum diffraction volume. Out of diffracted light generated when a second luminous flux enters the structure, zero order diffracted light has the maximum diffraction volume. Out of diffracted light generated when a third luminous flux enters the structure, the minus first order diffracted light has the maximum diffraction volume.
... |
| Equal-path interferometer | 20110007323 | 20110113 |
| An optical assembly for use in an interferometer is provided. The optical assembly includes first and second partially reflective surfaces positioned along an optical axis and oriented at different non-normal angles to the optical axis. The second partially reflective surface is configured to receive light transmitted through the first partially reflective surface along the optical path, transmit a portion of the received light to a test object to define measurement light for the interferometer and reflect another portion of the received light back towards the first partially reflective surface to define reference light for the interferometer. The reference light makes at least one round trip path between the second and first partially reflective surfaces.
... |
| Method and arrangement for displacement | 20110007322 | 20110113 |
| A method and apparatus operable for displacing an image, which is transmitted by electromagnetic radiation, perpendicular to the direction of radiation by use of a rotatably disposed radiation-refracting body, located in the path of an imaging beam, having a refractive index that differs from the surrounding medium with regard to the radiation used. The method allows for precise image displacement. The rotation of the radiation-refracting body causing the displacement is measured, and the change of the optical path length caused by the angular change in a further electromagnetic beam utilized for the measurement is determined by evaluating the superimposition of the radiation reflected by a planar reflecting surface with the incident electromagnetic radiation. Part of the electromagnetic measurement beam, which is reflected on the surface of... |
| Lithographic apparatus, plasma source, and reflecting method | 20110007292 | 20110113 |
| A lithographic apparatus includes a plasma source that includes a vessel configured to enclose a plasma formation site, an optical device configured to transfer optical radiation to or from the vessel, and a reflector arranged in an optical path between the optical device and the plasma formation site source. The reflector is configured to reflect the optical radiation between the optical device and the plasma formation site. The reflector is formed, in operation, as a molten metal mirror.
... |
| Device for countering and tracking a threat in the form of a homing-head missile | 20110006222 | 20110113 |
| The invention concerns a device for countering and tracking a threat in the form of a homing-head missile, comprising a homing head adapted to receive an incident coherent light beam and to deflect same to produce a transmitted beam. The invention is characterized in that the homing head comprises a biprism including two prisms made of different materials and adapted to divide the transmitted beam into two sub-beams, the refractive index difference between the prisms being adapted to introduce an optical path difference between the two sub-beams which is greater than the coherence length of the incident beam.
... |
| Optical scanning apparatus and image forming apparatus using the same | 20110002712 | 20110106 |
| Provided is an optical scanning apparatus has a plurality of light emitting portions and an incident optical system including optical element, wherein each shape of optical surfaces in a main scanning section of optical elements is formed into a noncircular shape. When defining that W is a space between specific light emitting portions farthest from an optical axis in the main scanning direction, La is an optical path length between an aperture stop and a specific optical surface closest to the light source unit among the noncircular optical surfaces of the incident optical system, f1 is a focal length of the incident optical system in the main scanning direction, and D is a light flux width in the main scanning direction of a light flux emitted... |
| Systems and methods of optical path protection for distributed antenna systems | 20110002687 | 20110106 |
| Systems and methods for optical path protection for distributed antenna systems are provided. In one embodiment, a method is provided. The method comprises receiving an electrical uplink radio frequency signal; generating an uplink optical signal derived from the electrical uplink radio frequency signal; splitting the uplink optical signal for transmission on a primary uplink optical fiber and a secondary uplink optical fiber; combining any downlink optical signal received on a primary downlink optical communication medium and any downlink optical signal received on a second downlink optical communication medium in order to output a downlink optical signal; and generating a downlink radio frequency signal derived from the downlink optical signal.
... |
| Electrically-pumped semiconductor zigzag extended cavity surface emitting lasers and superluminescent leds | 20110002355 | 20110106 |
| A semiconductor surface emitting optical amplifier chip utilizes a zigzag optical path within an optical amplifier chip. The zigzag optical path couples two or more gain elements. Each individual gain element has a circular aperture and includes a gain region and at least one distributed Bragg reflector. In one implementation the optical amplifier chip includes at least two gain elements that are spaced apart and have a fill factor no greater than 0.5. As a result the total optical gain may be increased. The optical amplifier chip may be operated as a superluminescent LED. Alternately, the optical amplifier chip may be used with external optical elements to form an extended cavity laser. Individual gain elements may be operated in a reverse biased mode to support gain-switching... |
| Vehicular lamp | 20110002135 | 20110106 |
| A vehicular lamp includes: a lamp outer housing composed of a lamp housing with an opening on one side and a cover attached to the lamp housing to close the opening; a light source disposed inside the lamp outer housing; a reflector that is disposed inside the lamp outer housing, reflects light emitted from the light source, and is formed with an optical path notch or an optical path hole which serves as a path for a part of the light emitted from the light source; and a control optical section having a lens member attached to the reflector so as to close the optical path notch or the optical path hole, and controlling light emitted from the light source toward the optical path notch or... |
| Optical disc drive | 20110002117 | 20110106 |
| An optical disc drive includes: at least one light source; an objective lens configured to focus the light that has been emitted from the at least one light source; a chromatic aberration compensation element, which is arranged on an optical path between the at least one light source and the objective lens in order to compensate for chromatic aberration that has been produced by the objective lens; and an actuator configured to change a position of the objective lens. The actuator changes the position of the objective lens in a tracking direction by a magnitude of an offset, which is determined by a variation in wavelength of the light to be produced when the power of the light emitted from the at least one light source... |
| Projection optical system, exposure apparatus, and exposure method | 20110002032 | 20110106 |
| A catadioptric projection optical system for forming a reduced image of a first surface (R) on a second surface (W) is a relatively compact projection optical system having excellent imaging performance as well corrected for various aberrations, such as chromatic aberration and curvature of field, and being capable of securing a large effective image-side numerical aperture while suitably suppressing reflection loss on optical surfaces. The projection optical system comprises at least two reflecting mirrors (CM1, CM2), and a boundary lens (Lb) whose surface on the first surface side has a positive refracting power, and an optical path between the boundary lens and the second surface is filled with a medium (Lm) having a refractive index larger than 1.1. Every transmitting member and every reflecting member with... |
| Polarization-separation device, optical scanning apparatus, and image forming apparatus | 20110002025 | 20110106 |
| A polarization-separation device includes: a beam splitter that includes a beam-separating surface, on which a light beam that contains a first light beam and a second light beam impinges, wherein polarization direction of the first light beam and polarization direction of the second light beam are perpendicular to each other, and incident angle of the first light beam and incident angle of the second beam vary independently while incident into the beam-separating surface; a first polarizer arranged in an optical path of light beams having transmitted through the beam splitter, and allows the first light beam to transmit therethrough; and a second polarizer arranged in an optical path of light beams reflected from the beam splitter, and allows the second light beam to transmit therethrough.
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| Fiber bragg grating devices utilizing slow light | 20110001981 | 20110106 |
| In certain embodiments, an optical device and a method of use is provided. The optical device includes a fiber Bragg grating having a substantially periodic refractive index modulation along a length of the fiber Bragg grating. The fiber Bragg grating has a power transmission spectrum with a plurality of local transmission minima, wherein each pair of neighboring local transmission minima has a local transmission maximum therebetween. The local transmission maximum has a maximum power at a transmission peak wavelength. The optical device further includes a narrowband optical source in optical communication with a first optical path and a second optical path. The narrowband optical source is configured to generate light having a wavelength at or in the vicinity of a local transmission maximum or at or... |
| Phase modulation device for an ophthalmic instrument, ophthalmic instruments equipped with such device, and related calibration method | 20110001930 | 20110106 |
| A phase modulation device implemented in an ophthalmic instrument using a main light beam interacting with an eye, the device including: an apparatus for modulating the phase of the wave front of the main light beam, a controller for controlling the phase modulation apparatus following a modulation instruction, and an analyzer for analyzing the thus-performed modulation of the phase of the wave front of the main light beam, further including emitting a secondary light beam, an apparatus for directing the secondary light beam along an optical path to the modulation apparatus, then to the analyzer, and in that the optical path does not pass through the eye, and in that the controller and the analyzer receiving the modulated secondary light beam cooperate, during a stage called... |
| Light emitting module with optically-transparent thermally-conductive element | 20110001157 | 20110106 |
| A light emitting module with improved optical functionality and reduced thermal resistance is described, which comprises a light emitting device (LED), a wavelength converting (WC) element and an inorganic optically-transmissive thermally-conductive (OTTC) element. The WC element is capable of absorbing light generated from the LED at a specific wavelength and re-emitting light having a different wavelength. The re-emitted light and any unabsorbed light exits through at least one surface of the module. The OTTC is in physical contact with the WC element and at least partially located in the optical path of the light. The OTTC comprises one or more layers of inorganic material having a thermal conductivity greater than that of the WC element. As such, a compact unitary integrated module is provided with excellent... |
| Electromagnetic wave measuring apparatus, measuring method, program, and recording medium | 20110001048 | 20110106 |
| According to the present invention, an electromagnetic wave measurement device includes an electromagnetic wave output device, an electromagnetic wave detector, a relative position changing unit, a delay period recording unit, a phase deriving unit, a delay-corrected phase deriving unit, a sinogram deriving unit, and an image deriving unit. The electromagnetic wave output device outputs an electromagnetic wave having a frequency equal to or more than 0.01 [THz] and equal to or less than 100 [THz] toward a device under test and a container storing at least a part of the device under test. The electromagnetic wave detector detects the electromagnetic wave which has transmitted through the device under test. The relative position changing unit changes a relative position of an intersection at which an optical path... |
| 16 quadrature amplitude modulation optical signal transmitter | 20100329696 | 20101230 |
| An optical transmitter including a dividing optical coupler for dividing a lightwave onto optical paths; a first optical modulator in a first of the optical paths and driven by an I component of a first signal and a I component of a second signal for modulating the lightwave, a DC bias of the first optical modulator being at a quadrature point; a second optical modulator in a second of the optical paths and driven by a Q component of the first signal and a Q component of the second signal for modulating the lightwave, a DC bias of the second optical modulator being at the quadrature point; a phase shifter for generating a 90 degree phase shift in the Q components of the first and second... |
| Imaging apparatus | 20100329655 | 20101230 |
| An imaging unit (1) includes an imaging device (10) for receiving light to perform photoelectric conversion, the imaging device (10) being configured so that light passes through the imaging device (10), a phase difference detection unit (20) including a line sensor (24a) for receiving the light which has passed through the imaging device (10) to perform phase difference detection, and a condenser lens (21a), provided between the imaging device (10) and the line sensor (24a), for bending an optical path of the light which has passed through the imaging device (10) to direct the light to the line sensor (24a).
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| Lighting apparatus | 20100329302 | 20101230 |
| There is provided a lighting apparatus that is capable of accurately measuring the temperature of an optical member that transmits therethrough light emitted from a light source without blocking the optical path of the light. A lighting apparatus including: a light source that emits light, an optical member that transmits therethrough the light emitted from the light source, a temperature measuring section that measures a temperature of a first measurement point on the optical member, a storing section that stores therein profile information representing a correlation between the temperature of the first measurement point and a temperature of a second measurement point, where the second measurement point is on the optical member and separated away from the first measurement point, and a temperature determining section that... |
| Tetra-mirror multi-reflection scanning module | 20100328733 | 20101230 |
| The present invention discloses an image scanning module having four reflecting mirrors, the image scanning module comprises at least one source, four reflection mirrors, a pickup lens, an image sensor and a frame, wherein at least one of reflection mirror is multi-reflection along the optical path, satisfies the specific optical conditions. The TTL (total tracking length) can only be adjusted through the arrangement of the distance of the four reflecting mirrors and will not need to adjust through the angle of the four reflecting mirrors. Accordingly, the benefit of present invention not only increases the field of depth by increasing the total length of optical path in the limited space, but also be convenient to assemble respectively to different total tracking length.
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| Laser optical path detection in integrated circuit packaging | 20090325325 | 20091231 |
| A method is provided for detecting laser optical paths in integrated circuit (IC) packages. The method provides an IC die encapsulated as a package in a compound of glass spheres and epoxy. Power is supplied to the IC. The IC is scanned with a laser. Typically, a laser wavelength is used that is minimally absorbed by the glass spheres in the epoxy compound of the IC package, and changes in current to the IC are detected. A detected current change is cross-referenced against a scanned IC package surface region. This process identifies an optical pathway underlying the scanned IC package surface region. In some aspects, this process leads to the identification of a glass sphere-collecting package structure underlying the optical pathway. Examples of a glass sphere-collecting... |
| Non-destructive laser optical integrated circuit package marking | 20090325322 | 20091231 |
| A method is provided for laser optically marking integrated circuit (IC) packages in a non-destructive manner. The method provides an IC die encapsulated as a package in a compound of glass spheres and epoxy. An acute angle is defined between a laser optical path and an IC package planar surface. The IC package surface is scanned with a laser, and in response to ablating the IC package surface, a legible mark on the planar surface.
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| Optical modulator | 20090324247 | 20091231 |
| The present invention relates to an optical modulator that generates quaternary amplitude modulated light without inter-symbol-interference by splitting input light into three optical paths, generating a continuous wave signal in a first optical path, generating binary phase modulated lights using a single drive MZ type optical phase modulator in second and third optical paths, and interfering them at in-phase and at field amplitude 1:a:b.
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| System and devices for improving external cavity diode lasers using wavelength and mode sensors and compact optical paths | 20090323737 | 20091231 |
| External cavity laser (ECL) systems and methods for measuring the wavelength of the ECL by using a portion of the positional light received by the position sensitive detector (PSD) to determine the position of a wavelength tuning element (such as a diffraction grating or an etalon), for determining the longitudinal laser mode or power output of the laser from a portion of the laser light received by a beam-shearing mode sensor, and by using a non-output beam(s) from a transmissive diffraction grating in the ECL to monitor the external cavity laser.
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| Methods and apparatus providing improved visual capabilities of optical instruments | 20090323182 | 20091231 |
| An apparatus for forming an image has one or more lenses in an optical path, at least one angular-sensitive light transmission filter in the optical path, in which transmission varies with change in angular orientation of the filter with reference to the direction of light in the optical path, and a mechanism for adjusting the angle of the light transmission filter.
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| Optical attenuator | 20090323167 | 20091231 |
| An optical attenuator includes a first reflection portion reflecting a light incoming from an optical input portion in a direction different from incoming axis, a second reflection portion reflecting the light from the first reflection portion, an optical output portion outputting the light that is reflected by the first reflection portion after being reflected by the second reflection portion, and an optical-intensity-attenuation filter that is arranged on an optical path between the first reflection portion and the second reflection portion, optical transmittance being shifted in stages according to a position thereof. The first reflection portion is capable of turning to shift an incoming position at the optical-intensity-attenuation filter.
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| Optical characterisation methods and systems | 20090323069 | 20091231 |
| A device (100) for assisting in optical characterisation of a sample fluid. The device can comprise a substrate (102) with at least one measurement reservoir (104) adapted for filling with the fluid (106) in a filling direction. The device (100) thereby is adapted for receiving an illumination beam (108) for illuminating the fluid (106) in the at least one measurement reservoir (104). The at least one measurement reservoir is adapted for varying the rate of change of an optical path length of the illumination beam in the fluid. The measurement reservoir properties are adapted for providing information of an optical path length of the illumination beam in the fluid at a plurality of moments during the filling with the fluid. Furthermore a corresponding optical characterisation device... |
| Optical path monitoring device and optical path monitoring system | 20090323050 | 20091231 |
| An optical path monitoring device according to the present invention includes: a measurement unit which irradiates optical pulses to an optical path as a monitoring target to cause back scattered lights, the measurement unit generating measurement data based on the back scattered lights; and a processing unit which controls operation of the measurement unit, the processing unit acquiring the measurement data from the measurement unit, the processing unit performing an arithmetic processing of the measurement data to identify an abnormal point of the optical path, and after acquiring the measurement data the processing unit sending the measurement unit instructions to start the next measurement.
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| Catoptric illumination system for microlithography tool | 20090323044 | 20091231 |
| In general, in one aspect, the invention features a system that includes an illumination system of a microlithography tool, the illumination system including a first component having a plurality of elements. During operation of the system, the elements direct radiation from a source along an optical path to an arc-shaped object field at an object plane of a projection objective, and at least one of the elements has a curved shape that is different from the arc-shape of the object field.
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| Projection apparatus and image display apparatus | 20090323030 | 20091231 |
| There is provided a high-reliability projection apparatus, causing no noise during switching of the optical paths of individual color lights. The apparatus includes a three-color light source 10 individually and independently emitting a plurality of color lights having different wavelengths, a polarizing plate 20 adjusting the polarizing directions of the individual color lights emitted from the three-color light source 10, a waveguide type optical switch 30 electrically switching at predetermined time intervals the optical paths of the individual color lights whose polarizing directions are adjusted, a diffraction type optical element 40 performing diffusion forming of individual color lights, a field lens 50 making the diffusion-formed individual color lights into parallel lights, a liquid crystal panel 60 having a microlens array 61 where a plurality of microlenses... |
| Optical system for forming an image in space | 20090323024 | 20091231 |
| An optical system that projects a real image to a location in free space and includes one or more features located along the optical path that enhance the viewability of the real image. The optical system includes a converging element for converging a portion of source light so as to form the real image. One viewability-enhancing features is the use of a broadband reflector-polarizer having high transmitting and reflecting efficiencies. Another viewability-enhancing features is the use of polarizing elements having substantially matched bandwidth responses and/or comprising an achromatic design. An additional viewability-enhancing feature is the use of a wide-view film to increase the viewing angle of the image.
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| Ophthalmologic imager | 20090323023 | 20091231 |
| An ophthalmologic imager comprises an illuminating optical system (10) for projecting an illuminating light beam onto an ocular fundus, a light-receiving optical system (an imaging optical system (20), an observing optical system (30)) having a focusing lens and serving to guiding the light reflected from the ocular fundus to an imaging section (CCD6b), and a focusing target projecting optical system (190) having a bar mirror (190a) detachably inserted in the optical path of the illuminating optical system and serving to project split focusing target light beams onto the ocular fundus through the bar mirror (190a) and the illuminating optical system (10). A mirror image (190a′) of the bar mirror is projected onto the ocular fundus by using the illuminating light beam. The ophthalmologic imager further comprises... |
| Photodetector, electro-optical device, and electronic apparatus | 20090321640 | 20091231 |
| An photodetector includes: a first light receiving element that receives light including ambient light; a second light receiving element that receives light including the ambient light; and a red color filter disposed on an optical path through which the ambient light is incident on the second light receiving element.
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| Disk device | 20090320054 | 20091224 |
| To provide a “disk device” that does not waste a power during waiting for disk insertion and thus can save power consumption. The disk device includes: a casing equipped with an insertion port to which a disk is inserted; a conveying mechanism for conveying a disk, which is provided inside the insertion port; a switching type detecting switch that is switched to a detection state in accordance with a movement force of a disk inserted from the insertion port in an insertion direction; and an optical detecting member that is switched to a detection state when a disk inserted from the insertion port blocks an optical path, wherein when the detecting switch is switched to a detection state, power supply to the optical detecting member is... |
| Optical scanning device and image forming apparatus | 20090317137 | 20091224 |
| Disclosed is an optical scanning device including a light source including multiple light-emitting elements, the multiple light-emitting elements being arranged in a linear manner, a collimator lens to collimate a light beam from the light source, a light-deflecting device to deflect a light beam having passed through the collimator lens to a medium to be scanned and scan the medium with the light beam, and a rear optical system arranged in an optical path between the collimator lens and the medium to be scanned, wherein the collimator lens deviates an image surface in a direction opposite to an image surface deviation on the medium to be scanned by a nearly same amount as the image surface deviation, the image surface deviation being caused by a change... |
| Image forming apparatus | 20090317128 | 20091224 |
| An image forming apparatus in which an exposing unit is mounted on a cover unit for improved space utilization. The image forming apparatus includes a body, a plurality of developing units arranged in the body along vertical direction of the body, a cover unit that opens or closes a side of the body an exposing unit provided at the cover unit so as to move in association with the closing or opening movement of the cover unit. The image forming apparatus may also include an engagement member to limit the movement of the exposing unit and a shutter unit to selectively open an optical path of the exposing unit upon closure of the cover unit.
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| Objective lens, optical pickup apparatus and optical information recording and/or reproducing apparatus | 20090316563 | 20091224 |
| An objective lens according to the present invention is an objective lens used for an optical pickup apparatus, and the objective lens includes a superimposed structure on a surface of a lens with a power in which a first optical path difference providing structure changing spherical aberration in under-corrected direction when a wavelength of an incident light flux becomes longer, and a second optical path difference providing structure changing spherical aberration in over-corrected direction when a wavelength of an incident light flux becomes longer are superimposed.
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| Optical pickup and information equipment | 20090316560 | 20091224 |
| An optical pickup (100) includes: an irradiating device (101) for irradiating a laser beam (LB); a first light focusing device (104) for focusing the laser beam on the recording medium (10); a collimator device (102) which is disposed on the optical path between the irradiating device and the first light focusing device and which can be displaced along the optical path of the laser beam; a splitting device (103) which reflects one portion of the laser beam and transmits therethrough another portion of the laser beam; a light receiving device (111) for receiving the reflected one portion of the laser beam; and a second light focusing device (112) for focusing, on the light receiving device, the reflected one portion of the laser beam, the light receiving... |
| Optical head and optical disk apparatus | 20090316539 | 20091224 |
| There are provided an interference type optical head and an optical disk apparatus, which have a signal amplification effect and which can be manufactured in sizes comparable to conventional optical heads. In an optical disk apparatus that performs signal amplification by making a light, which is used as a reference light without being irradiated on an optical disk and, interfere with reflected light from the optical disk, a corner cube prism that reflects the reference light is mounted on the same actuator as an objective lens. Further, there is provided a movable portion that adjusts the optical path length of the interfering light in accordance with the kind of optical disk being read and the recording layer being read. A wedge prism may be used for... |
| Light guide plate and backlight unit having the same | 20090316433 | 20091224 |
| In accordance with one or more embodiments of the present disclosure, a light guide plate includes a first light incident surface receiving a first external light, a second light incident surface receiving a second external light and opposite to the first light incident surface, a light exit surface connecting the first and second light incident surfaces to output the first and second external lights, a reflective surface reflecting the first and second external lights in opposition to the light exit surface, and optical path changing portions each of which having a first inclined surface and a second inclined surface. The optical path changing portions are provided on the reflective surface with a predetermined interval and recessed toward the light exit surface to reflect the first and... |
| Light scanning unit and image forming apparatus comprising the same | 20090316244 | 20091224 |
| A light scanning unit comprises: a light source unit for emitting first and second light; a beam deflector for deflecting the first and second light emitted from the light source unit; and a synchronization detection optical system. The synchronization detection optical system includes synchronization detection sensors for detecting scanning synchronization of the first and second light and synchronization optical path converting members for converting optical paths of portions of the first and second light deflected by the beam deflector. The optical paths of the portions of the first and second light are directed to come into close proximity with one another. The light scanning unit may be incorporated in an image forming apparatus.
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| Interferometric chemical sensor array | 20090316158 | 20091224 |
| The device is a gas/vapor/aerosol/particulate sensor with a receiver/transmitter option. This optical MEMS device is designed to be a self-contained optical bench, integrating of an entire interferometer into a MOEMS ‘optical bench’ system-on-a-chip, and includes multiplexed optical path sensors. The sensing structures consist of laser sources, semiconductor photo detectors, refractive/reflective optical elements, and specialized optical transmission paths. Each individual laser source and photodiode is an optical path sensor with a particular ‘functionalization.’ These sensing arm functionalizations are sensitive to unique chemical signatures and as a result can recognize and report various chemical agents present in the ambient environment.
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| Device for detecting the condition of an optical filter and illumination device | 20090316144 | 20091224 |
| A device for detecting the condition of an optical filter which is arranged in the optical path of a light source so as to cut light of a specific wavelength from the light emitted by the light source. A detection light source outputs a detection light beam which passes through the optical filter so that the detection light beam crosses the optical path. A photoreceptor element receives the detection light beam which has passed through the optical filter. A detection processor detects the condition of the optical filter in accordance with the intensity of the detection light beam received by the photoreceptor element.
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| Fiber laser ladar | 20090316134 | 20091224 |
| A laser radar system and a method for use in a laser radar system are disclosed. More particularly, the laser radar system includes a fiber laser capable of generating a laser signal; a first optical path through which the generated laser signal may be transmitted; a second optical path through which a reflection of the transmitted laser signal may be received; and a detector capable of detecting the received reflection. The method includes generating a laser signal from a fiber laser; transmitting the laser signal; receiving a reflection of the transmitted laser signal; and detecting the reflection.
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| Injection-locked laser, interferometer, exposure apparatus, and device manufacturing method | 20090316123 | 20091224 |
| An injection-locked laser is disclosed. The injection-locked laser comprises a seed laser, an oscillator into which a certain component of light output from the seed laser is injected as seed laser light, a frequency converter which shifts a frequency of the remaining component of the light output from the seed laser, a photodetector which detects light obtained by synthesizing the light output from the oscillator and the light output from the frequency converter, and a controller which controls an optical path length of the oscillator based on a beat signal component contained in the signal output from the photodetector.
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| Exposure apparatus, cleaning method, and device fabricating method | 20090316120 | 20091224 |
| An exposure apparatus exposes a substrate with exposure light that passes through an exposure liquid. The exposure apparatus comprises: an optical member, which has an emergent surface wherefrom the exposure light emerges; a first supply port, which supplies the exposure liquid; a liquid immersion member, which is capable of forming an immersion space so that an optical path of the exposure light that emerges from the optical member is filled with the exposure liquid; a second supply port, which supplies a cleaning liquid so that it contacts the liquid immersion member; and a preventive apparatus, which prevents the cleaning liquid and the optical member from contacting one another.
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| Image-capturing system diagnostic device, image-capturing system diagnostic program product and image-capturing device for monitoring foreign matter | 20090316002 | 20091224 |
| An image-capturing system diagnostic device includes: an image acquisition unit that obtains an image; and a monitoring unit that monitors a quantity of foreign matter present in an optical path by generating defect information indicating a defect at pixels caused by the foreign matter in the optical path based upon the image obtained by the image acquisition unit and calculating an areal ratio of defective pixels in the image based upon the defect information having been generated and issues a warning for a photographer if the areal ratio of the defective pixels exceeds a predetermined value.
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| Atomic oscillator | 20090315629 | 20091224 |
| An atomic oscillator includes: a gas cell in which a gaseous metal atom is sealed; heating units heating the gas cell to a predetermined temperature and being a first heater and a second heater; a light source of exciting light exciting the metal atom in the gas cell; a light detecting unit detecting the exciting light which has passed through the gas cell; a substrate including at least a temperature controlling circuit for the heating units; a first heater wiring coupling the first heater and the substrate; a second heater wiring coupling the second heater and the substrate; and a third heater wiring coupling the first heater and the second heater. In the atomic oscillator, the gas cell includes a cylindrical portion; and windows which respectively... |
| Imaging system, sensor unit with an imaging system and vehicle mirror comprising an imaging system | 20090314968 | 20091224 |
| The invention relates to an imaging system comprising an imaging sensor and an optical path for transmitting optical information collected in at least one field of view to the imaging sensor. The at least two optical paths are coupled to a jointly useable optical lens of an optical sensor unit by deflecting at least once a main optical axis of at least one of the optical paths.
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| Extreme ultra violet light source apparatus | 20090314967 | 20091224 |
| An extreme ultraviolet light source apparatus using a spectrum purity filter capable of obtaining EUV light with high spectrum purity. The apparatus includes a chamber; a target supply unit for supplying a target material; a driver laser using a laser gas containing a carbon dioxide gas as a laser medium, for applying a laser beam to the target material to generate plasma; a collector mirror for collecting and outputting the extreme ultraviolet light radiated from the plasma; and a spectrum purity filter provided in an optical path of the extreme ultraviolet light, for transmitting the extreme ultraviolet light and reflecting the laser beam, the spectrum purity filter including a mesh having electrical conductivity and formed with an arrangement of apertures having a pitch not larger than... |
| Fluorescence measurement probe | 20080315118 | 20081225 |
| A fluorescence measurement probe capable of stably receiving a maximum received light amount of a fluorescent light generated from a specimen onto which an excitation light is radiated. The fluorescence measurement probe is applied to a fluorescence measurement system provided with an optical system. A light source emits an excitation light. A detector receives the fluorescent light. A solid light guide path serves as an optical path of the excitation light as well as the fluorescent light. A lens is disposed between an edge surface of the solid light guide path and the specimen. When a radiation angle of the excitation light is set to 2θ at a position where the excitation light is collected by the lens which collects the fluorescent light. A excitation light... |
| Optical system for radiation in the euv-wavelength range and method for measuring a contamination status of euv-reflective elements | 20080315134 | 20081225 |
| An optical system for radiation in the EUV wavelength range, in particular a projection exposure apparatus, having at least one vacuum vessel, including: at least one EUV-reflective optical element arranged in an optical path, and a holder which includes at least one sample element, the sample element having an optical surface which is exposed to incident EUV-radiation outside of the optical path, the sample element being sensitive to chemical alterations under influence of the incident EUV-radiation which also affect the optical element. The optical system further includes at least one detection unit for online detection of the contamination status of the sample element during exposure of the sample element to the incident EUV-radiation.
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| Measurement apparatus, exposure apparatus, and device manufacturing method | 20080316448 | 20081225 |
| A measurement apparatus comprises a polarization controller (2) which controls polarization of light which is incident on a detection target; a wavefront dividing unit (5) which divides a wavefront of the light from the polarization controller (2); a polarizing unit (6, 7) which polarizes the light transmitted through the target; a detector (8) which detects the light transmitted through the wavefront dividing unit and/or the polarizing unit; a processor (13) which calculates the optical characteristics of the target based on a detection result; and a first driving unit which moves the wavefront dividing unit with respect to the detector to position the wavefront dividing unit in or outside an optical path running from the target to the detector. The processor (13) calculates the optical characteristics using... |
| Method and apparatus for spectrometer noise reduction | 20080316478 | 20081225 |
| Methods and apparatus for enhancing reference spectra are presented. Movement of a reference material relative to a spectrometer optical path is used to enhance reference spectra precision. Alternatively, changing an optically sampled area and/or volume of a reference material during collection of a reference spectrum is used to enhance reference spectra precision. Two separate cases are treated, where the observed variation removed is dependent upon hardware configuration of an analyzer and position of the analyzer relative to the reference. The first case is reduction or removal of radiance variation. The second case is reduction or removal of spectral variation due to observed diffraction. Enhanced reference spectra precision results in enhanced precision and/or accuracy of associated analyte property determinations.
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| Optical module and optical switching device | 20080317424 | 20081225 |
| The invention relates to an optical device which can increase the spread of a beam diameter in the depthwise direction by a simple configuration in comparison with that by prior art devices. The optical device includes a substrate, an optical path formed on the substrate, and a diffraction propagation region, provided between the optical path and an end face of the substrate, for propagating light emitted from the optical path with diffraction. The diffraction propagation region includes a first groove, formed therein, adapted to block part of components of the propagated light in a depthwise direction of the substrate.
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| Optical path converting member, multilayer print circuit board, and device for optical communication | 20080308311 | 20081218 |
| the lens is provided at least one position selected from the entrance surface, the exit surface, and inside of the optical path conversion mirror.
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| Optical gas sensor | 20080308733 | 20081218 |
| There is disclosed a gas sensor comprising an electromagnetic radiation source, a detector which is sensitive to radiation from the source and a waveguide which comprises at least a part of an optical path from the source to the detector through a gas sample, the waveguide comprising a first waveguide portion which extends from the radiation source and a reflector which is arranged to change the direction of and laterally displace radiation conducted from the source through the first waveguide portion into a second waveguide portion which is separate to the first waveguide portion and which conducts received radiation towards the detector. The gas sensor can be formed as a layered structure. A convoluted passage allows gas access to the optical path.
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| Infrared camera system and method | 20080309801 | 20081218 |
| Infrared (IR) camera systems for and a method of obtaining infrared images of target subjects are provided. In one embodiment, an IR camera system (10) includes a lens (12), a number of IR pass filters (14), an optical detector (16), a processor (18) mounted on a circuit board (20), a distance sensor (22), a visible light sensor (24), an IR light sensor (26), an IR illuminator (28), and a number of video outputs (30), all of which may be disposed within an appropriately configured housing (32). The filters (14) are mounted on a juke-box like rack system (34) also included within the housing (32). The processor (18) determines which pass filter is needed in order to optimize the image and sends an electronic signal to the... |
| Solid-state image pickup device and electronic apparatus including same | 20080309807 | 20081218 |
| A camera module 1 includes: an optical structure 3 that forms a subject image; a solid-state image pickup element 21 that converts, into an electrical signal, a subject image formed by the optical structure 3; a lens holder 4, holding the optical structure 3 therein, which contains the solid-state image pickup element 21; and a cushioning member 34, disposed between the optical structure 3 and the lens holder 4 so as to avoid an optical path of the optical structure 3, which absorbs the impact of contact between the optical structure 3 and the lens holder 4, the cushioning member being made of nonmetallic material. This makes it possible to provide a small solid-state image pickup device while preventing dust from being generated when the camera... |
| Solid-state image pickup device and electronic apparatus including same | 20080309814 | 20081218 |
| A camera module 1 includes: an optical structure 3 that forms a subject image and moves up and down along an optical path; a solid-state image pickup element 21 that converts, into an electrical signal, a subject image formed by the optical structure 3; a lens holder 4, holding the optical structure 3 therein, which contains the solid-state image pickup element 21, the optical structure 3 having a cushioning member 34 so provided on a back surface thereof as to absorb the impact of contact between the optical structure 3 and the holding section 4. The cushioning member 34 has a removing section for, when in contact with a contact surface 4a of the holding section 4, removing dust D on the contact surface 4a outward... |
| Adjusting device for a microlithography projection exposure installation, and related illumination system and projection exposure installation | 20080309907 | 20081218 |
| An adjusting device used to align two components of a microlithography projection exposure installation relative to each other. The adjusting device has an autocollimating device with a light source and a reflector. The light source and the reflector are each rigidly connected to one of the optical components. In one embodiment, the adjusting device has a laser light source which is different from the radiation source. A beam-splitter is downstream from the laser light source and carries useful adjustment light along a first optical path. A reflector can be rigidly connected to a reference component of an illuminating optics system or to a radiation source so that when an actual position of the reference component relative to the radiation source coincides with a desired position, the... |
| Method for correcting disturbances in a level sensor light path | 20080309915 | 20081218 |
| The invention relates to a level sensor for determining a height of a substrate. The level sensor generates one or more measurement beam and directs the measurement beam to a measurement spot on the substrate and produces a reflected measurement beam. The level sensor also generates one or more reference beams. A detector detects both the reflected measurement beam and the reference beam, respectively, and produces a measurement signal and a reference signal, respectively, the measurement signal being indicative for the height at the measurement spot. A processor that receives these signals and corrects the measurement signal based on the reference signal. The level sensor has an optical arrangement in a predetermined area close to where the substrate is to be located. The measurement beam and... |
| Adjustable pulse-shaper | 20080310004 | 20081218 |
| An optical pulse-shaper includes a prism, a delay line having positive optical power and a reflective spatial light modulator. In one arrangement the delay line has a selectively variable optical path length for accommodating pulses of different spectral bandwidth and positive optical power is provided by a concave mirror. In another arrangement, the delay line includes a zoom-mirror arranged to provide selectively variable optical power for accommodating pulses of different spectral bandwidth.
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| Method of making an optical system | 20080310023 | 20081218 |
| A diffractive optical element (DOE) corrector for use with three different wavelengths includes a first diffractive element on a first surface of a first material, the first diffractive element diffracting a first wavelength of the three wavelengths, while directing a majority of light of second and third wavelengths of the three wavelengths into a zero-th order, and a second diffractive element on a second surface of a second material, the second material being different from the first material, the second surface being different from and in an optical path of the first surface, the second diffractive element diffracting the second wavelength, while directing a majority of light of the first and third wavelengths into a zero-th order.
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| Light source | 20080310027 | 20081218 |
| An apparatus for coupling radiation of individual laser diode emitters into a common optical fiber is disclosed. The radiation is collimated along fast axis and combined by using crossed pairs of flat mirrors. The combined beams are collimated by a common slow axis collimating lens. The laser diode emitters are disposed on both sides of an optical axis of the slow axis collimating lens such that the optical path lengths from the emitters to the slow axis collimating lens are equal.
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| Optical path converting member, multilayer print circuit board, and device for optical communication | 20080310793 | 20081218 |
| the lens is provided at at least one position selected from the entrance surface, the exit surface, and inside of the optical path conversion mirror.
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| Method and apparatus for generating periodic patterns by step-and-align interference lithography | 20080311531 | 20081218 |
| The present invention provides a method and an apparatus for generating periodic patterns by step-and-align interference lithography, wherein at least two coherent light beams with a pattern are controlled to project onto a substrate to be exposed to form an interference-patterned region on the substrate. Thereafter, by means of moving the substrate or the light beams stepwisely, a patterned region with a large area can be formed on the substrate. According to the present invention, the optical path and exposure time may be shortened to reduce defect formation during lithographic processing and to improve the yield.
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| Projection optical system, magnification projection optical system, magnification projection apparatus, and image projection apparatus | 20080304019 | 20081211 |
| A projection optical system for use in an image projection apparatus illuminating a lightbulb forming an image in accordance with a modulating signal with illumination light from a light source is disclosed. The projection optical system includes first and second optical systems arranged along an optical path defining an upstream-downstream direction in the order described from upstream to downstream on the downstream side of the lightbulb. The first optical system includes at least one dioptric system and has positive power. The second optical system includes at least one reflecting surface having power and has positive power. The image formed by the lightbulb is formed as an intermediate image in the optical path, and the intermediate image is magnified and projected.
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| Projection display | 20080304022 | 20081211 |
| The invention provides a projection display that achieves continuous light amount control with ease and without causing unevenness of illumination of light applied to a light valve responsive to a video signal, thereby allowing constant image display with satisfactory contrast. The projection display of the invention includes a light valve (2); a light source (3a) generating light applied to the light valve (2); an integrator lens (4) provided on an optical path between the light source (3a) and the light valve (2) and making uniform the illumination distribution of light applied from the light source (3a) to the light valve (2); and a light amount control system (9) provided on the optical path and including a turning mechanism (9a) which turns like a set of double... |
| Catadioptric imaging system, exposure device, and device manufacturing method | 20080304036 | 20081211 |
| A catadioptric imaging optical system with a high numerical aperture and including an effective imaging region shaped optimally for use in a batch type exposure apparatus and having an imaging magnification with a small absolute value. The catadioptric imaging optical system includes a dioptric first imaging system, which forms a first intermediate image based on light from the first plane, a second imaging system, which forms a second intermediate image based on light from the first intermediate image, a third dioptric imaging system, which forms a reduced image on the second plane based on light from the second intermediate image, and a deflecting mirror arranged in an optical path extending from the first imaging system to the second imaging system and an optical path extending from... |
| Method for measuring the concentration of a gas component in a measuring gas | 20080304066 | 20081211 |
| There is described a method for measuring a concentration of a gas component in a measuring gas, wherein the light of a wavelength tunable light source is passed along a single optical path through a measuring volume containing the measuring gas and a reference cell containing a reference gas to a detector. The reference cell is selected to contain a selected isotope of the gas component to be measured in a known abundance ratio higher than the known natural-abundance isotope ratio of the gas component in the measuring volume; the light source is tuned to sweep the wavelength of the light over the absorption lines of the selected isotope and the remaining gas component; and the concentration of the gas component in the measuring volume is... |
| Cyclic error compensation in interferometry systems | 20080304077 | 20081211 |
| A first portion of a beam including a first frequency component is directed along a first path. A second portion of the beam is frequency shifted to generate a shifted beam that includes a second frequency component different from the first frequency component and one or more spurious frequency components different from the first frequency component. At least a portion of the shifted beam is directed along a second path different from the first path. An interference signal S(t) from interference between the beam portions directed along the different paths is measured. The signal S(t) is indicative of changes in an optical path difference n{tilde over (L)}(t) between the paths, where n is an average refractive index along the paths, {tilde over (L)}(t) is a total... |
| Chromatic dispersion compensation device and method | 20080304157 | 20081211 |
| A chromatic dispersion compensator whereby the amount of dispersion and the group delay time can be easily adjusted. A dispersion unit, a transmitting lens and a group delay generation unit are arranged along the optical axis of incident light. The dispersion unit separates the incident light into beams of respective different wavelengths. The transmitting lens is arranged across the optical paths of the beams of different wavelengths separated by the dispersion unit, and refracts the beams at different angles according to their respective incidence positions. The group delay generation unit is arranged across the optical paths of the beams of different wavelengths refracted by the transmitting lens, causes the beams to undergo propagation delay for periods corresponding to their respective incidence positions, and converges and emits... |
| Optical information recording-reproducing apparatus | 20080304396 | 20081211 |
| An optical information recording-reproducing apparatus comprising a light source, an objective lens for condensing a light beam from the light source on a recording layer of an optical recording medium, a divergence angle-converting element provided in an optical path from the light source to the optical recoding medium for converting a divergence angle of the light beam to be introduced to the objective lens, a focus error detecting optical system including a photodetector for detecting a focus error of the light beam, an optical element for introducing a part of the light beam emitted from the divergence angle-converting element to the focus error detecting optical system, a circuit for detecting the divergence angle of the light beam emitted from the divergence angle-converting element from output from... |
| Temperature measuring apparatus and temperature measuring method | 20080304543 | 20081211 |
| A temperature measuring apparatus includes a light source, a first splitter, a second splitter, a reference beam reflector, an optical path length adjuster, a reference beam transmitting member, a first to an nth measuring beam transmitting member and a photodetector. The temperature measuring apparatus further includes an attenuator that attenuates the reference beam reflected from the reference beam reflector to thereby make an intensity thereof closer to an intensity of the measurement beam reflected from the temperature measurement object.
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| Laser beam machining apparatus | 20080296275 | 20081204 |
| A laser beam machining apparatus including a laser beam irradiation unit, the laser beam irradiation unit including: a laser beam oscillator for oscillating a laser beam; a beam splitter by which the laser beam oscillated by the laser beam oscillator is split into a first laser beam and a second laser beam; a rotary half-wave plate disposed between the laser beam oscillator and the beam splitter; a condenser lens disposed in a first optical path for guiding the first laser beam split by the beam splitter; a first reflecting mirror disposed in a second optical path for guiding the second laser beam split by the beam splitter; a first quarter-wave plate disposed between the beam splitter and the first reflecting mirror; a second reflecting mirror disposed... |
| Method and apparatus for multiple scan rate swept wavelength laser-based optical sensor interrogation system with optical path length measurement capability | 20080296480 | 20081204 |
| The invention relates to optical sensor measurement methods that use a swept wavelength optical source to determine wavelength shift as well as to optical sensor systems that embody and employ these methods. A variable scan rate swept optical source is used to determine the optical path length from the optical interrogator to the optical sensors being measured. This data can then be used as desired or needed in implementing the sensor or making sensor measurements. In particular the data can be used in the optical sensor system to compensate for potential measurement errors due to the finite speed of light in the optical medium interconnecting optical sensors under test.
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| Smoke detector | 20080297361 | 20081204 |
| A smoke detector having a closed internal optical path can detect airborne particulate matter, such as smoke from a fire, via a light scattering sensor and/or a light absorption sensor. The path can be implemented with a plurality of reflectors, such as piezoelectric minors. Input light can be coupled to the path, on a pulsed basis, for example via one of the minors, in a resonant condition.
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| Image pickup device | 20080297647 | 20081204 |
| An image pickup device that picks up an image of an object with an image pickup element, consisting of: a lens connecting portion that connects an interchangeable lens that can be attached and detached; a lens distinguishing portion that distinguishes the type of the interchangeable lens that is connected to the lens connecting portion; a plurality of optical filters that are capable of being disposed to the optical rear side of the interchangeable lens in the image pickup optical path when picking up an image of an object on an image pickup element with the interchangeable lens; and a moving portion that moves at least any of the plurality of optical filters to a position that corresponds to the type of the interchangeable lens that the... |
| Color projector with a compact optical integrator and method of projecting an image using the same | 20080297728 | 20081204 |
| In the color projector (200, 300, 400), a light source (220) produces first, second, and third colored light beams. An optical integrator (230, 330, 430) integrates the first colored light beam, the second colored light beam, and the third colored light beam. The integrated first colored light beam, second colored light beam, and third colored light beam are modulated by first (252), second (254), and third (256) light modulators, respectively, producing first, second, and third colored images. An optical synthesizer (260) combines the first, second, and third colored images to form a synthesized color image, and a projection lens (180) projects the synthesized color image. The optical integrator (230, 330, 430) includes a polarizing beam splitter (240, 441) in an optical path of at least one... |
| Optical multi-beam scanning device and image forming apparatus | 20070296802 | 20071227 |
| An optical multi-beam scanning device has a plurality of pre-deflection optical units, an optical path synthesizing member and an excessive light processing member. The excessive light processing member processes excessive light emitted from an excessive light emitting surface with is not an incident surface nor an emitting surface of the optical path synthesizing member. The excessive light processing member has a multi-stage taper constitution with a plurality of taper surfaces having different tilt angles.
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| Selectable color adjustment for image display | 20070296875 | 20071227 |
| A display system is configured to produce a color image formed of a plurality of differently colored images and may include at least one light source that directs light along an optical path, and at least one filter having a given optical filter characteristic. The display system may be selectively operable in a first state in which the optical path does not pass through a first filter during production of the plurality of differently colored images to form a color image having a first optical characteristic, and in a second state in which the optical path passes through the first filter during production of the plurality of differently colored images to form a color image having a second optical characteristic different than the first optical characteristic.
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| Illumination system and projection system | 20070296925 | 20071227 |
| An illumination system including a light source module, a first integral lens array, a cylindrical lens array, a polarization beam splitter converter, a cylindrical lens, a condenser lens, and a collimator lens is provided. The light source module is suitable for providing a white light, and the first integral lens array, the cylindrical lens array, the polarization beam splitter converter, the cylindrical lens, the condenser lens, and the collimator lens are sequentially disposed on a optical path of the white light. Thus, the cylindrical lens array can adjust the shape of the light spots which are formed by focusing the white light for the light spots nearly completely passing through the polarization beam splitter converter to increase the light utilization of the illumination system. Additionally, a... |
| Illumination optical system and projection type display apparatus | 20070296930 | 20071227 |
| The invention provides an illumination optical system that guides light emitted from light source device 1 to DMD 2, the illumination optical system including: light tunnel 20 that uniformizes luminance distribution of light emitted from light source device 1; relay optical system 40 that guides light having uniformized illumination distribution to DMD 2; and shield board 30 disposed on an optical path between light tunnel 20 and relay optical system 40. Shield board 30 is smaller than outlet end face 22 of light tunnel 20 and at the same time has an opening of a shape similar to the image formation area on DMD 2, and is movable in a plane containing the opening.
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| Immersion optical lithography system having protective optical coating | 20070296947 | 20071227 |
| An immersion lithography system is provided which includes an optical source operable to produce light having a nominal wavelength and an optical imaging system. The optical imaging system has an optical element in an optical path from the optical source to an article to be patterned thereby. The optical element has a face which is adapted to contact a liquid occupying a space between the face and the article. The optical element includes a material which is degradable by the liquid and a protective coating which covers the degradable material at the face for protecting the face from the liquid, the protective coating being transparent to the light, stable when exposed to the light and stable when exposed to the liquid.
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| Measuring device and method that operates according to the basic principles of confocal microscopy | 20070296959 | 20071227 |
| A scanning system for confocal scanning of an object, comprising a light source (1), imaging optics (4) for focusing the light (5) radiated from the light source (1) onto the object (6) to be scanned, and further comprising an image detector (10) for detecting the light (7) from an object point (6′) backscattered from the object (6) and passing through the same imaging optics (4). Means (11) for varying the length of the optical path are disposed in the optical path between the aperture array (3) and the object (6), by which means the optical distance of the image plane can be modified in a specific manner, and means are provided to influence the light (5) radiated by the light source onto the object (6) and/or... |
| Spectral encoder | 20070296969 | 20071227 |
| A spectral encoder for producing spectrally selected images of a radiation field containing multiple spectral components. An imaging spectrograph defines a first optical path that produces from the input radiation field a spectrally dispersed image comprising multiple spectral components displaced along a dispersion direction. Spectral pass bands are encoded on the dispersed image by a programmable spatial light modulator using one or more spatial masks. The imaging spectrograph further defines a second optical path that reverses the spectral dispersion of the first path and produces a spectrally-encoded polychromatic output image containing only those spectral components encoded by the spatial mask. The first and second optical paths share a common dispersing element. A detector records at least one spatial region of the spectrally encoded output image.
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| Light scanning unit and electrophotographic image forming apparatus including the same | 20070297024 | 20071227 |
| Provided are a light scanning unit and an electrophotographic image forming apparatus including the light scanning unit. The light scanning unit includes a light source, a polygonal mirror deflecting light emitted from the light source in a main scanning direction, an imaging lens transmitting the deflected light to a photoconductor for forming an image, and a synchronization detecting unit detecting a synchronization signal from the deflected light for synchronization in the main scanning direction. The light scanning unit has a total scanning rate, including a synchronization detecting optical path, ranging from about 60% to 75%.
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| Optical depolarizers and dgd generators based on optical delay | 20070297054 | 20071227 |
| Techniques and devices for depolarizing light and producing a variable differential group delays in optical signals. In one implementation, an input optical beam is split into first and second beams with orthogonal polarizations. One or two optical reflectors are then used to cause the first and second optical beams to undergo different optical path lengths before they are recombined into a single output beam. An adjustment mechanism may used implemented to adjust the difference in the optical path lengths of the first and second beams to produce a variable DGD. When the depolarization of light is desired, the difference in the optical path lengths of the first and second beams is set to be greater than the coherence length of the input optical beam.
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| Optical imaging device for a camera | 20070297071 | 20071227 |
| The invention relates to an optical device for a photographic camera (2), such as a camera, cine-camera or a video camera. The imaging device is arranged in an optical path (3) between a lens (4) at the beginning of the optical path (3) and an image receiving device (5) of the camera (2) at the end of the optical path (3). The inventive device comprises an imaging lens (6) which is provided with a transparent, light-diffusing imaging surface (7) which is used make visible a real image of the lens (4), and a transmission lens (8) comprising a transmission lens (9) which is used to reproduce the real image from the lens (4) on to the image capturing device (5). An imaging lens arrangement (10) is... |
| Optical path converting member, multilayer print circuit board, and device for optical communication | 20070297729 | 20071227 |
| A device for optical communication comprising; at least a conductor circuit and an insulating layer formed and laminated, an optical circuit and an optical path for transmitting an optical signal; and an optical element or a package substrate on which an optical element is mounted, wherein an optical path converting member is disposed at the optical path for transmitting an optical signal so as to transmit an optical signal between the optical element and the optical circuit, the optical path converting member comprises a lens and an optical path conversion mirror having an entrance surface, an exit surface and a reflection surface, and the lens is provided at least one position selected from the entrance surface, the exit surface, and inside of the optical path conversion... |
| Light quantity adjusting device | 20070297791 | 20071227 |
| A light quantity adjusting device includes a substrate having an optical path aperture, a blade located on the substrate to adjust the quantity of light passing through the optical path aperture, and an electromagnetic driver that drivingly opens and closes the blade. The electromagnetic driver includes a rotor shaft, an exciting coil, and a frame that rotatably bears the rotor shaft. The rotor shaft includes a pointed first shaft end and a cylindrical second shaft end. The frame has a conical bearing recess that supports the first shaft end and a cylindrical bearing hole that supports the second shaft end. The electromagnetic driver is located so that the first shaft end of the rotor shaft is closer to the substrate than the second shaft end. An... |
| Light quantity adjusting device | 20070297792 | 20071227 |
| A light quantity adjusting device prevents possible violent vibration resulting from an external force. The light quantity adjusting device includes a substrate having an optical path aperture, a blade movably placed on the substrate to restrict the quantity of light passing through the optical path aperture, and an electromagnetic driving device for drivingly opening and closing the blade. The electromagnetic driving device includes a rotating shaft, an arm integrated with the rotating shaft, and a transmission pin provided on the arm. The blade has a cam groove formed therein and engaging the transmission pin. The cam groove includes a continuous groove having a driving area that crosses a pivoting direction of the transmission pin at a predetermined angle to displace the blade and a non-driving area... |
| Router having dual propagation paths for packets | 20070297799 | 20071227 |
| A router comprising an interface module (IM), having an optical path and an electrical path and a speed sensor coupled between an input of the router and an input of the IM. The speed sensor is adapted to receive a packet and detect a speed of the IM connection and in response to the speed of the IM connection being above a threshold value, the speed sensor provides the packet to the optical path of the IM and in response to the relative speed being below the threshold value, the speed sensor provides the packet to the electrical path of the IM.
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| Conductive tin oxide sol and process for producing same | 20070297966 | 20071227 |
| There is provided a conductive tin oxide sol having a high transparency, and a process for producing the sol, a coating composition by use of the sol and a material coated with the coating composition. The conductive tin oxide sol containing phosphorus-doped conductive tin oxide colloidal particles (A), wherein a sol prepared so as to have the colloidal particles (A) in a concentration of 10 mass % in the sol has a transmittance of 30% or more at a wavelength of 600 nm in an optical path length of 10 mm. The particle diameter of the conductive tin oxide sol by observation with transmission electron microscope is 2 to 25 nm. The molar ratio of the doped phosphorus (P) to the tin oxide (SnO2) in the... |
| Incident light angle detector for light sensitive integrated circuit | 20070290284 | 20071220 |
| A detector configuration determines the direction of illumination incident on a photosensitive device. Multiple mask layers include holes which form an interlayer optical path through which radiation reaches a photodetector. The interlayer optical path provides a selected nominal maximum signal angle and the detector senses when radiation is received at or near that angle. In one embodiment, three holes in three metallization layers provide an arbitrarily narrow interlayer optical path with improved angular detection relative to that provided by two holes. An illumination direction-sensing array may use multiple instances of the detector configuration. The detector configuration may provide enhanced utility and economy by being adapted to use only those fabrication steps used for fabricating other primary circuits on an IC.
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| Organic electroluminescent display device | 20070290607 | 20071220 |
| Disclosed is an organic electroluminescent display device, comprising a light-transmitting insulating layer, an organic electroluminescent element including a back side electrode arranged on the back side of the light transmitting insulating layer, a light-transmitting front side electrode interposed between the light-transmitting insulating layer and the back side electrode, and an organic material layer interposed between the front side electrode and the back side electrode and containing a light-emitting layer, and a three-dimensional diffraction element of a two-layer structure arranged on the optical path guiding the light emitted from the light-emitting layer included in the organic material layer to reach the light-transmitting insulating layer, wherein the three-dimensional diffraction element has a cross-sectional structure of a specified dielectric modulation.
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| Method and system for displaying an image | 20070290962 | 20071220 |
| According to one embodiment, a method for displaying an image in a light processing system includes receiving an image to be displayed. The method also includes generating a light from a light source. The method further includes receiving the light at a spatial light modulator having a group of pixels. The method further includes displaying the image along an optical path. The method further includes automatically defocusing the image by adjusting at least one of a group of optical elements along the optical path, thereby reducing pixel noise in the displayed image.
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| Laser gyro and electronic device using the same | 20070291273 | 20071220 |
| A laser gyro of the present invention includes laser light excitation means (a semiconductor laser device 100) that excites first and second laser lights propagating in the opposite directions to each other in a circular ring-shaped path (an optical path 40), coupling means (optical waveguides 41 and 42) for superimposing the first and the second laser lights, and a photodetector for observing an interference signal generated by the superimposed first and second laser lights.
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| Interferometric measuring system | 20070291274 | 20071220 |
| The present invention relates to an interferometric measuring system for measuring, for example, shape deviation, position, surface properties, vibrations, of an object, the measuring system including a transmitting element having a modulation interferometer and a radiation source for short-coherent radiation, as well as a measuring probe system connected thereto for supplying the radiation via a common optical path, and further including a receiving element for analyzing the measuring radiation returning from the measuring probe system, said receiving element being combined with the transmitting element in a transmitter/receiver unit. A reduction in complexity and cost combined with enhanced application possibilities is achieved in that the measuring probe system includes a plurality of measuring probes coupled to the common optical path via respective optical paths, and in that... |
| System and method to form unpolarized light | 20070291372 | 20071220 |
| A system and method are used to form an unpolarized light beam from a polarized light beam. A system comprises a source of radiation and a unpolarizing system. The source of radiation produces a linear polarized beam. The unpolarizing system has first and second optical paths and splits the linear polarized beam. A first portion of the split beam travels along the first optical path having a first path length. A second portion of the split beam travels along the second optical path having a second, different path length. The first and second portions of the split beam are combined to form the unpolarized beam.
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| Illumination system and projection apparatus | 20070291484 | 20071220 |
| An illumination system includes a point light source array, a lens and a collimating lens. The collimating lens is disposed between the point light source array and the lens. The point light source array is suitable for emitting a planar light source and both the lens and the collimating lens are disposed on the optical path of the planar light source. Besides, the lens has two different focal lengths in a first axis and a second axis. The present invention further provides a projection apparatus employing the illumination system.
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| Laser assembly for use with a microscope | 20070291798 | 20071220 |
| A laser assembly is provided which includes an objective assembly having an objective and a dichroic mirror, a collimating assembly having a collimating lens and a selectively displaceable mount, and a laser supply assembly having a laser source. The laser assembly can provide laser light through the collimating lens, which collimates the laser light into a collimated beam. The laser beam is preferably transmitted onto the dichroic mirror, which reflects the laser light through the objective along the optical path of the objective which converges into a focal point. Such a laser assembly preferably provides substantial control of the laser beam, for example, for micromanipulation of a sample.
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| Method of detecting overlapping sheets within a paper feed mechanism, a detector for detecting overlapping sheets, a feed mechanism including such a detector and an apparatus including such a detector | 20070292191 | 20071220 |
| A paper feed detector is disclosed for detecting when a plurality of overlapping sheets of paper occur in a transport path intended to transport paper to a first region. The paper feed detector includes a light source and an image forming arrangement adapted to form an image having a spatially varying intensity; and an image detector. An optical path from the light source to the image detector passes through the transport path. The image detector is adapted to assess degradation of the image to make an assessment of the number of sheets within the transport path.
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| Synthetic focusing method | 20070293752 | 20071220 |
| A method of generating a three-dimensional radar image of a body part having multiple image points. The method comprises receiving radiation information (11) obtained at an array of scan locations relative to the body part, surface profile information (12) relating to the body part, and estimates of body part properties (13). The method further comprises constructing each image point by: determining the minimum optical paths between each scan location and the image point based on the scan locations, surface profile information and body part properties; phase-shifting the radiation information based on the minimum optical paths to equalise the radiation information; and then summing the equalised radiation information to provide a value for the image point. The 3D radar image of the body part is then generated... |
| Optical substance manipulator | 20070284515 | 20071213 |
| The invention relates to an optical substance manipulator capable of continuing to apply a continued force of action to moving substances without being limited by the flowing conditions for the substances yet with a wide manipulation margin and with efficiency, thereby continuously carrying out various manipulations such as separation, concentration, mixing, and deflection. Specifically, the invention provides an optical substance manipulator capable of manipulating microscopic particles dispersed in a flowing fluid by means of light pressure, characterized by comprising an optical system that forms multiple linear light-collective areas simultaneously with respect to a fluid that flows on a subject surface 5, and further comprising, in optical paths forming the respective linear light-collective areas, means CL1, CL2 adapted to adjust directions of the linear light-collective areas on... |
| Apparatus method and system for imaging | 20070285554 | 20071213 |
| There is provided in accordance with some embodiments of the present invention an optical assembly including a set of optical paths, wherein two or more optical paths receive an image from a common surface. The optical paths may direct received images onto a common image sensor generating a complex multidimensional data set, an image processing block may extrapolate each of the subset of optical paths printed on the image sensor and may generate a multidimensional data set based on the collected images.
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| System for obtaining a fundus image | 20070285618 | 20071213 |
| The present invention is related to a system for obtaining a fundus image, constituted by optical means implemented in an equipment to observe and photograph the image of the wall fundus (16), comprising a capturing optical means composed by high sensibility digital camera, constituted by an image sensor (2) and focal optical system (3), said digital camera being used to register a captured image by an afocal optical system, composed by a capturing lens (13) and its afocal complement (6); a lighting optical means provided from a arrangement conformed with optical fiber bundle (7), (8), (9) and (10), halogen light source (23) or light emitting diode source (LED); wherein said light beam from the halogen light (23) or light emitting diodes has an annular form when... |
| Projection optical system, exposure system, and exposure method | 20070285633 | 20071213 |
| A imaging optical system is a system of a liquid immersion type permitting a plane-parallel plate in liquid to be replaced with another, without substantial degradation of imaging performance, while ensuring sufficiently high laser resistance of a boundary lens. The imaging optical system is provided with a first optically transparent member located nearest to a second plane, and a second optically transparent member located adjacent to the first optically transparent member. An optical path between the first optically transparent member and the second plane is fillable with a first liquid and an optical path between the first optically transparent member and the second optically transparent member is fillable with a second liquid. The optical system satisfies the condition of 1<D1/(M1+M2)<20, where D1 is a center thickness... |
| Device and method for acquiring information on objective substance to be detected by detecting a change of wavelength characteristics on the optical transmittance | 20070285666 | 20071213 |
| An information-acquiring device for acquiring information on an objective substance to be detected, which is provided with a sensing element that has a surface capable of fixing the objective substance to be detected thereon, and makes applied light change its wavelength characteristics in response to the fixed state of the objective substance to be detected onto the surface, a light source, and light-receiving means for receiving light emitted from the light source through the sensing element, has the light-receiving means and the light source arranged on the same substrate so that the light which has been emitted from the light source and has been transmitted through the sensing element can be led to the light-receiving means, and has means for varying the wavelength regions of each... |
| Image forming apparatus having a plurality of laser scanner units | 20060290773 | 20061228 |
| An object of the present invention is to provide an image forming apparatus which helps to achieve a reduction in cost, therefore, according to the present invention, there is provided an image forming apparatus including: a first laser scanner unit for emitting a first laser beam and a second laser beam, which has a first laser source for generating the first laser beam, a second laser source for generating the second laser beam, and a first rotary mirror for deflecting the first laser beam and the second laser beam generated from the first laser source and the second laser source; a second laser scanner unit for emitting a third laser beam and a fourth laser beam, which has a third laser source for generating the third... |
| Transflective lcd device with enhanced light transmittance | 20060290852 | 20061228 |
| A substrate assembly for a transflective LCD device includes an array panel and an optical path modifier disposed below the array panel. The array panel includes pixel areas that are each divided into reflective and transmissive areas by a reflective film formed therein. The optical path modifier includes first lens portions that correspond to the pixel reflective areas. Each first lens portion has a refractive index that decreases with increasing radial distance from an optical axis extending vertically through the midpoint of a boundary line between the corresponding pixel reflective and transmissive areas above it. Accordingly, light passing through the first lens portions is refracted through the corresponding pixel transmissive areas above. The display device also includes a backlight assembly for providing light to the display... |
| Projector | 20060290894 | 20061228 |
| When a front cover 12 in which an inner grille 13 is fitted is mounted to the body of the projector, a fin member 13b formed as one unit with the inner grille 13 is placed with very little clearance between itself and a partition 33 separating the region where a light source device 20 is provided from the region where an optical system 100 is provided. Therefore, hot air of a first fan can be prevented from passing between the partition 33 and the front cover 12 and entering the region where the optical system 100 is provided. As a result, it becomes possible to prevent the hot air from entering the above region and further entering the optical system 100 or entering the optical... |
| Illumination device and method using adaptable source and output format | 20060291020 | 20061228 |
| Systems and methods for providing illumination suitable for imaging devices such as laser projection systems, wherein the illumination pattern is adjustable by modifying one or more characteristics of a controlled angle diffuser. In one embodiment, a highly collimated (e.g., laser light) beam is passed through a holographic diffuser to create a well defined cone angle for the light emanating from each point on the diffuser. This light is focused into an illumination image that is controlled by the prescription of the diffuser. In one embodiment, the diffuser can be positioned to alternately place different regions having different prescriptions in the optical path corresponding to the illumination image. In one embodiment, the diffuser can be continually moved to eliminate speckling and “worminess” in the illumination image.
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| Optical delay line in holographic drive | 20060291022 | 20061228 |
| The present invention relates to a system comprising a holographic data storage drive that records holographic digital data in a holographic recording medium, and which comprises: a data beam path having a first optical path length; and a reference beam path having a second optical path length; wherein one of the data beam and reference beams paths comprise an optical delay line so that the difference between the first and second optical path lengths is less than the laser coherence length. The present invention further relates to a method for operating a laser in the holographic data storage drive in a multi-mode state during the recording of holographic digital data the holographic medium without adverse effects on the strength of the interference patterns formed.
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| In-line holographic mask for micromachining | 20060291024 | 20061228 |
| A method of patterning a workpiece comprises providing a source of illumination, a workpiece, a holographic mask and an optical element. The optical element is positioned in the optical path between the source of illumination and the workpiece. The holographic mask is positioned in the optical path between between the source of illumination and the optical element. The holographic mask is illuminated with the source of illumination to form a first real image. The method includes projecting the first real image with the optical element to form a second real image on at least one from the group consisting of the workpiece, a surface of the workpiece, and a location near a surface of said workpiece. A method of patterning a workpiece also includes providing a... |
| Light scanning unit and image forming apparatus having the same | 20060291025 | 20061228 |
| A laser scanning unit and a light source unit employed in the same are provided. The laser scanning unit forms a linear latent image by scanning a light beam onto a photoreceptor. The laser scanning unit includes a light source generating and radiating a light beam. An aperture substrate faces the light source and has a curved reflection surface that includes an opening and faces the light source and reflects a light beam incident on the reflection surface around the opening away from the incident axis. A beam deflector is disposed on the optical path between the aperture substrate and the photoreceptor to deflect the portion of the light beam that has passed through the aperture substrate and scans the light in a scanning direction of... |
| Optical scanning device and image forming apparatus | 20060291026 | 20061228 |
| Even number of reflection mirrors reflecting a light beam in the sub-scanning direction is disposed on an optical path from a deflecting reflection surface of an optical deflector to a corresponding surface to be scanned, for a light beam that is incident on the deflecting reflection surface from one side of a line normal to the deflecting reflection surface in the sub-scanning direction. Odd number of reflection mirrors reflecting the light beam in the sub-scanning direction is disposed on the optical path, for a light beam that is incident on the deflecting reflection surface from other side of the line normal to the deflecting reflection surface in the sub-scanning direction.
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| Planar light source device and display using the same | 20060291185 | 20061228 |
| A planar light source device having excellent in-plane uniformity of brightness includes an illuminator having an array of light sources, a light transmission plate in an optical path of light output by the illuminator, and a plurality of refractive diffusing elements on the light transmission plate, each refractive diffusing element providing more than two refractive surfaces in at least one vertical cross-section along the optical path at an angle determined in accordance with a pattern of the array of light sources. Each refractive diffusing element may be a polygonal prism or a microlens.
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| Optical member, light source apparatus, display apparatus, and terminal apparatus | 20060291243 | 20061228 |
| A planar light source, Fresnel lens sheet, and louver are disposed in the stated order in a light source apparatus. The Fresnel lens sheet deflects and focuses in one dimension light that has entered from the planar light source. The louver is disposed in the optical path of the light emitted from the Fresnel lens sheet, and the directivity of the light can be increased by restricting the traveling direction of the light to the focal direction of the Fresnel lens sheet. The light utilization ratio can thereby be increased, the directivity of planarly emitted light can be increased, and the brightness can be made uniform at the point of observation.
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| Laser filament imager | 20060291518 | 20061228 |
| An apparatus includes a gas chamber comprising a gas feed nozzle, an exhaust nozzle, and a window. The apparatus also includes a first partial reflector, in the gas chamber, sharing an optical path with the exhaust nozzle, and the window. Optionally, The apparatus includes a gas source communicating with the gas feed nozzle. Optionally, the gas source includes a gas having an ionization potential higher than air and a nonlinear index of refraction lower than air.
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| Apparatus and method for obtaining images using a prism | 20060291704 | 20061228 |
| An improved apparatus and method for obtaining images through a prism are provided. In an embodiment, a thin fingerprint prism wedge, with a geometry designed to minimize foreshortening and maximize contrast, is provided in an optical path between an optical sensor and an object to be imaged. In some embodiments, the apparatus operates on the principle of internal surface reflections instead of total internal reflection (TIR).
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| Thermal mass transfer imaged retroreflective sheeting | 20060292353 | 20061228 |
| Retroreflective sheeting is described comprising a viewing surface and a nonviewing surface and a thermal mass transferred image disposed in the optical path of the viewing surface wherein the thermal mass transferred image comprises a homogeneous unreactive thermoplastic composition. In one embodiment, the unreactive thermoplastic composition comprises at least one acrylic resin and at least one colorant, wherein the composition has less than 3 wt-% of components that are opaque at ambient temperature. The ratio of maximum diffuse luminous transmittance to total luminous transmittance of the composition is less than 50%.
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| Light-emitting element, light-emitting device, and electronic device | 20060284189 | 20061221 |
| The present invention provides a light-emitting element, a light-emitting device and an electronic device in which an optical path length through which generated light goes can be changed easily. The present invention provides a light-emitting element including a light-emitting layer between a first electrode and a second electrode, and a mixed layer in contact with the first electrode; in which the light-emitting layer includes a light-emitting substance; the mixed layer includes a hole transporting substance and a metal oxide showing an electron accepting property to the hole transporting substance, and has a thickness of 120 to 180 nm, and when a voltage is applied between the first electrode and the second electrode such that a potential of the first electrode is higher than that of the... |
| Optical scanning system with correction | 20060284790 | 20061221 |
| A scanning system device has a predetermined aberration as it scans or switches light along selected optical paths. A deformable membrane receives the light and introduces an inverse “aberration” that offsets that of the scanning system. In one embodiment the scanning system includes a torsion arm that supports an oscillatory body. The torsion arm and/or body can be machined from metal, micromachined in silicon or formed in a variety of other ways. Alternatively, the scanning system may include a rotating polygonal scanner or other type of optical scanner. In another approach, an optical switch replaces the scanner.
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| Miniaturized optical mouse core | 20060284845 | 20061221 |
| An optical mouse system with a high-angle optical path features small size and low power consumption. The illumination source and optical sensor are mounted in the same plane, directly on the PCB. The higher angle of the optical path causes more light to be reflected to the optical sensor, increasing optical efficiency and allowing a smaller, lower powered LED to be used. This also results in increased sensitivity of the optical sensor, allowing use of the mouse on surfaces on which conventional optical mice cannot function adequately. Sensitivity can be further increased by optional isolation of the optical sensor and illumination source. Lower power usage increases battery life for mobile or wireless-mouse use, while reducing thermal waste considerations. This allows the creation of a significantly smaller... |
| Contrast enhancement for liquid crystal based projection systems | 20060285042 | 20061221 |
| Described are tilted compensators for compensating for in-plate and out-of-plane retardances of LC panels in their dark states, including a single tilted biaxial retarder or compound retarder comprising more than one biaxial film, which are effective to compensate both for nonideal polarization effects of LC panels and other optical components in optical projection systems. Also described are tilted compensators for deflecting away from a projection system optical path unwanted reflected light.
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| Simultaneous vision emulation for fitting of corrective multifocal contact lenses | 20060285074 | 20061221 |
| An emulator including a beam splitter for splitting incoming light energy into a first component directed along a first optical path, and a second component directed along a second optical path distinct from the first optical path. The emulator includes a first receptacle positioned to pass light energy directed along only the first optical path. The first receptacle is capable of receiving an add lens for providing an add power. A beam combiner is positioned to combine light energy of the second component with light energy of the first component that has passed the first receptacle, i.e. to have the add power applied, and to direct the combined light energy along a common optical path. Additional receptacles are provided that are capable of receiving a sphere... |
| Optical stacked structure inspecting method and optical stacked structure inspecting apparatus | 20060285121 | 20061221 |
| An inspecting method inspects an optical stacked structure having a reflection layer and at least one light transmitting thin film sequentially stacked on a substrate. The inspecting method irradiates inspection light on the optical stacked structure from a side provided with the light transmitting thin film, measures a light intensity of reflected light from each layer, that changes depending on a change in an optical path length to each layer, and inspects a thickness of the light transmitting thin film based on the light intensity of reflected light for a specific wavelength.
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| Laser apparatus | 20060285125 | 20061221 |
| A laser apparatus is disclosed. An optical element receives at least a part of laser light emitted from a laser generation source and generates interference fringes. Each of first and second two-divided detectors has two detectors arranged in the direction of which the interference fringes appear. Each of the detectors detects an amount of light of the interference fringes. These two-divided detectors are spaced apart for an odd-number multiple of nearly ¼ period of interference fringes and disposed on a plane perpendicular to an optical path of the interference fringes. Each of first and second calculation sections calculates a first difference signal of detection signals of two detectors of the two-divided detector. A selection section selects one of the first and second difference signals. A determination... |
| Variable-magnification optical system and image-taking apparatus therewith | 20060285841 | 20061221 |
| A variable-magnification optical system has, from the object side to the image side, at least a first lens group having a positive optical power, a second lens group having a negative optical power, and a third lens group having a positive optical power. The first lens group includes an optical prism that changes the optical path, and a prescribed conditional formula is fulfilled.
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| Data reading device with multiple verification functions and verifications system thereof | 20060287951 | 20061221 |
| A data accessing device with multiple verification functions and a verification system are provided. The device comprises an electronic certificate reader and a radio frequency signal reader in an outer housing. The electronic certificate reader can access an electronic certificate displayed in a portable electronic device of a user through an optical path, while the radio frequency signal reader accesses a personal radio frequency identification label of a user through a radio frequency path. The electronic certificate data and personal radio frequency identification label data is sent to a verification system to be processed and compared with user data stored in a user database to determine whether the access electronic certificate and personal radio frequency identification label are correct or whether there is a corresponding relationship... |
| Optical device package | 20060278814 | 20061214 |
| An optical microbench configured to facilitate wafer-level testing of opto-electronic devices is provided. The optical microbench includes an optoelectronic device mounted to a wafer in which the optical microbench is provided. The optical microbench also includes a beam deflector provided in the wafer and disposed along the optical path of the optoelectronic device. The beam deflector is configured to deflect a portion of the optical path to lie along a direction oriented out of the plane of the wafer. The optical microbench further includes an optical feed-through disposed along the optical path between the optoelectronic device and the beam deflector. The optical feed-through is configured to conduct an optical signal between the beam deflector and the optoelectronic device. A method for testing optoelectronic devices at the... |
| Optical-path compensating device and optical pickup using the device | 20060278819 | 20061214 |
| A optical-path compensating device 14 comprises a first wavelength plate 15, a birefringent plate 16, a second wavelength plate 17, a birefringent plate 18 and a third wavelength plate 19, and is placed in front of a three-wavelength laser device 20. The optical-path compensating device of the invention uses two birefringent plates. A first birefringent plate makes laser light having two wavelengths λ1, and λ2, which are emitted from the three-wavelength laser device, transmit through the same optical path. Next, a second birefringent plate makes laser light having two wavelengths λ1, and λ2 and laser light having the wavelength λ3 which are emitted from the three-wavelength laser device, transmitting through the same optical path.
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| Optical path difference compensation mechanism for acquiring wave form signal of time-domain pulsed spectrometer | 20060278830 | 20061214 |
| It is an object to provide a time-domain pulsed spectroscopy apparatus in which time-domain pulsed spectroscopy of multiple samples, states thereof, and so on can be carried out easily and in a short period of time. A time-domain pulsed spectroscopy apparatus of the present invention comprises a pulsed laser light source; a splitting unit configured to split pulsed laser light from the pulsed laser light source into excitation pulsed laser light and detection pulsed laser light; a pulsed-light emitting unit; a detector; a sample holder configured to hold the sample; and sample-unit entrance and exit optical systems configured to guide the pulsed light from the pulsed-light emitting unit to the sample and to guide to the detector pulsed light reflected from or transmitted through the sample... |
| Optical system for oblique projection projector | 20060279705 | 20061214 |
| An optical system for a projector, through a projecting optical system on a screen, is provided. The optical system includes a modulating system configured to modulate color components corresponding to three primary colors in accordance with image data, the modulating system being configured such that the color components emerging from the modulating system proceed along optical paths different from those of color components incident on the modulating system, respectively, and a color combining system configured to combine the color components emerged from the modulating system, the combined color components being directed to the projecting optical system. The modulating system includes first through third reflecting optical elements. Each of the first through third reflecting optical elements is inclined with respect to a plane that includes axes of... |
| Spectroscopic analyzing apparatus | 20060279733 | 20061214 |
| The present invention relates to a spectroscopic analyzing apparatus having a structure for enabling detection of a continuous spectrum over an overall detecting region by sharing the overall detection wavelength range to a plurality of detectors. The spectroscopic analyzing apparatus has a spectroscope, a plurality of detectors, and direction changers provided in connection with one or more detectors among the plurality of detectors. The spectroscope separates incident light into one or more wavelength components. The respective detectors are arranged such that the optical path lengths from the spectroscope to the centers of the photodetecting faces thereof are made coincident with one another. The respective direction changers are arranged on the optical paths of the wavelength components that propagate from the spectroscope to the detectors, and changes... |
| Zoom lens optical system | 20060279852 | 20061214 |
| A zoom lens optical system having a third lens unit including a first correction lens unit of negative (−) power and a second correcting lens unit arranged behind the first correcting lens unit in an optical path and having positive (+) power. The system can minimize aberration variation upon hand-shaking correction and obtain high resolution upon OIS application since the third lens unit for correcting the hand-shaking is formed with a lens group of plural lenses having negative (−) power and positive (+) power. Further, the system can enhance a response speed since the minimization of aberration variation upon the hand-shaking correction can reduce driving load when lenses move due to short movement distance of the third lens unit.
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| Optical path bending type zoom lens system and image taking apparatus including the same | 20060279853 | 20061214 |
| A zoom lens system comprises, in order from an object side, a positive first lens unit including a reflective optical element, a negative second lens unit, a positive third lens unit and a positive fourth lens unit, or a positive first lens unit, a negative second lens unit, a positive third lens unit, a negative fourth lens unit and a positive fifth lens unit. During zooming from a wide-angle end toward a telephoto end, the first lens unit is fixed, at least the second and third lens units move, and a space between the lens units changes. The second lens unit is positioned closer to an image-surface side in the telephoto end than in the wide-angle end, and the third lens unit is positioned closer to... |
| Adjustable optical system and method for using and manufacturing such | 20060279857 | 20061214 |
| The invention relates to a small-size and light-weight optical system with an adjustable focal length. The invention relates to a method and system comprising an image plane on which there is formed an image of the target observed by the optical system, a first optical component with an adjustable focal length, and a prism with an optical path that is adjustable to correspond to the focal length adjusted for the first optical component. By means of the optical system according to the invention, there is formed an image of the target under observation, located at the distance of the focal length of the first optical component, on the image plane so that the first optical component, the prism and the image plane remain permanently in place... |
