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This page is updated frequently with new Second Wave-related patent applications. Subscribe to the Second Wave RSS feed to automatically get the update: related Second RSS feeds. RSS updates for this page: Second Wave RSS RSS


Systems and methods of optical code reading using a color imager

Systems and methods of optical code reading using a color imager

Display backlight system

Display backlight system

Display backlight system

Time delay compensation for optical waveguides using a bidirectional wavelength scan

Date/App# patent app List of recent Second Wave-related patents
11/20/14
20140341579
 Statistical optical design enabled via twdm-pon patent thumbnailnew patent Statistical optical design enabled via twdm-pon
An optical line terminal (olt) in a time and wavelength division multiplexed (twdm) passive optical network (pon). The olt comprises a first optical port, a second optical port, and a processor.
11/20/14
20140341501
 Time delay compensation for optical waveguides using a bidirectional wavelength scan patent thumbnailnew patent Time delay compensation for optical waveguides using a bidirectional wavelength scan
Methods and apparatus for accurately determining wavelength by compensating a time delay using a bidirectional wavelength scan are provided. One example method generally includes introducing first wavelength-swept light into an optical waveguide according to a first sweep function having a first wavelength sweep direction; interrogating one or more optical elements, having characteristic wavelengths, with the first wavelength-swept light to produce a first set of optical signals, wherein the optical elements are disposed along the optical waveguide; introducing second wavelength-swept light into the optical waveguide according to a second sweep function having a second wavelength sweep direction, wherein the second wavelength sweep direction is opposite the first wavelength sweep direction; interrogating the optical elements with the second wavelength-swept light to produce a second set of optical signals; and determining a parameter associated with at least one of the optical elements based on the first and second sets of optical signals..
11/20/14
20140341007
 Optical information device, cross-talk reduction method, computer, player, and recorder patent thumbnailnew patent Optical information device, cross-talk reduction method, computer, player, and recorder
A ratio xm of an information item recorded on an adjacent track relative to an information item recorded on a main track included in a first signal obtained from a first light flux having passed through a center region (6c) is different from ratios xs1 and xs2 of the information items recorded on the adjacent track relative to the information items recorded on the main track included in second and third signals obtained from second and third light fluxes having passed through first and second end regions (6r, 6l), and a ratio of respective gains of a first waveform equalizer (80c), a second waveform equalizer (80r), and a third waveform equalizer (80l) is determined so as to cancel the information item recorded on the adjacent track in each of frequency components of the first signal, the second signal, and the third signal.. .
11/20/14
20140340892
 Particle detectors patent thumbnailnew patent Particle detectors
A beam detector including a light source, a receiver, and a target, acting in cooperation to detect particles in a monitored area. The target reflects incident light, resulting in reflected light being returned to receiver.
11/20/14
20140340865
 Display backlight system patent thumbnailnew patent Display backlight system
A polarizing color converting layer (104) arranged to receive light that is outcoupled from said light outcoupling surface, and comprising i) a color converting elements (105) capable of converting light of said first wavelength range into light of a second wavelength range, and ii) at least one region of an optically anisotropic material (108), and at least one region of an optically isotropic material (109), wherein said polarizing color converting layer is capable of preferentially scattering one linear polarization direction of light received from the light-emitting arrangement. The lighting device of the invention provides improved polarization efficiency.
11/20/14
20140340649
 Lighting device, projector including the same, and lighting method patent thumbnailnew patent Lighting device, projector including the same, and lighting method
A lighting device includes a first light source which emits excitation light, a wavelength convertor which generates fluorescence containing at least a first wavelength range and a second wavelength range by excitation with the excitation light, a second light source which emits light containing a third wavelength range different from the first wavelength range and the second wavelength range, an optical path-combining element which combines an optical path for the fluorescence from the wavelength convertor and an optical path for the light from the second light source, so as to guide the combined optical paths to a single emission optical path, and a light separator disposed in the emission optical path, which obtains and emits at least the first wavelength range and the second wavelength range of the fluorescence and at least the third wavelength range of the light from the second light source.. .
11/20/14
20140340165
 Ferrite circulator with integrated e-plane transition patent thumbnailnew patent Ferrite circulator with integrated e-plane transition
A waveguide circulator system for an e-plane-layer transition includes a first waveguide including: at least n waveguide arms, and a first-interface aperture spanning a first x-y plane on a bottom surface of a first waveguide arm, a ferrite element having n segments protruding into the n respective waveguide arms of the first waveguide; an e-plane-transition waveguide having a first open-end and a second opposing open-end; and a second waveguide including a second-interface aperture spanning a second x-y. The first-interface aperture is arranged to proximally overlap the first open-end.
11/20/14
20140339309
 Systems and methods of optical code reading using a color imager patent thumbnailnew patent Systems and methods of optical code reading using a color imager
Systems and methods of optical code reading include production of image data by a color image sensor array and processing of the image data to decode an optical code. In one configuration, the color image sensor array includes first and second sets of sensor pixels sensitive to light having different wavelengths.
11/13/14
20140336665
 Oscillating lithotripter patent thumbnailOscillating lithotripter
A lithotripter is provided for fragmenting a stone inside a patient's body. In one form, the lithotripter includes a motor having at least two modes of operation and is configured to produce first and second waveforms.
11/13/14
20140336482
 Laser device and photoacoustic measurement device patent thumbnailLaser device and photoacoustic measurement device
Disclosed is a laser device which can emit light having first and second wavelengths, having the advantage of increasing laser efficiency without causing an increase in cost. A flash lamp irradiates excitation light onto a laser rod.
11/13/14
20140334999
Method for treating a substance with wave energy from an electrical arc and a second source
A substance is treated using a device having: (a) a volute or cyclone head, (b) a throat connected to the volute or cyclone head, (c) a parabolic reflector connected to the throat, (d) a first wave energy source comprising a first electrode within the volute or cyclone head that extends through the outlet into the opening of the throat along the central axis, and a second electrode extending into the parabolic reflector and spaced apart and axially aligned with first electrode, and (e) a second wave energy source disposed inside the throat, embedded within the throat or disposed around the throat. The substance is directed to the inlet of the volute or cyclone head and irradiated with one or more wave energies produced by the first and second wave energy sources as the substance passes through the device..
11/13/14
20140334766
Optical mode conversion by nonlinear effects
Embodiments of the present invention generally relate to optical mode conversion by nonlinear effects. More specifically, embodiments of the present invention relate to nonlinear mode conversion utilizing intermodal four-wave mixing to convert light between modes having different wavelengths for complex applications.
11/13/14
20140334726
Method for determining noise level
A method for determining noise levels in a subband of an image. The method comprises receiving the subband of the image, defining block regions in at least two space domains of the subband, for each defined block region, identifying first wavelet coefficients associated with coordinate values in the at least two space domains in the defined block region, computing a correlation matrix between identified wavelet coefficients to determine the correlation between first wavelet coefficients according to the at least one color domain, computing second wavelet coefficients, the computation of second wavelet coefficients being based on the correlation matrix and the first wavelet coefficients, computing at least one noise level, the noise level computation being based on at least one second wavelet coefficient and providing the at least one noise level..
11/13/14
20140334268
Methods for modification of insect behaviour
A method is described for emitting an insect behaviour modification signal to create a protected zone into which insect entry is minimized. The use of complex waveforms is described, emitted at frequencies from 150.000 hz to 250.000 hz.
11/06/14
20140330258
Medical laser apparatus
A medical apparatus comprising a first laser source operable to generate light at a first wavelength and supply a first laser light beam, a second laser source operable to generate laser light at a second wavelength and supply a second laser light beam, the first laser light beam being continuous or pulsed having a first, relatively long pulse duration, the second laser light beam being pulsed with a second, relatively short pulse duration, the apparatus being operable to supply the first laser light beam and subsequently the second laser light beam.. .
11/06/14
20140328590
Optical transceiver
A gain medium (7) arranged in the amplification section of the first waveguide and suitable for producing a stimulated light transmission, and an optical detector (8) coupled to the reception section of the second waveguide.. .
11/06/14
20140327886
Illumination device and image display apparatus
An illumination device includes: an excitation light source that emits excitation light having a first wavelength; and a fluorescent member that includes a fluorescent substance that, when it is irradiated with the excitation light, emits light having a second wavelength longer than the first wavelength, transmits a part of the excitation light and reflects another part of the excitation light, and a first reflective film provided at a side of the fluorescent substance, which is opposite to an excitation light incidence side, the fluorescent member emitting multiplexed light including an excitation light component reflected from the fluorescent substance and the first reflective film and a light component emitted from the fluorescent substance.. .
11/06/14
20140327865
Liquid crystal composition, liquid crystal display, and method of manufacturing liquid crystal display
In an aspect, an liquid crystal display including a first substrate, a second substrate facing the first substrate, and a liquid crystal layer interposed between the first substrate and the second substrate and including liquid crystals, a first alignment polymer, and a second alignment polymer is provided, in an aspect, the first alignment polymer is formed by radiating electromagnetic radiation on a first alignment aid photoreactive in a first wavelength region, the second alignment polymer is formed by radiating electromagnetic radiation on a second alignment aid photoreactive in a second wavelength region, and the first wavelength region and the second wavelength region are different from each other.. .
11/06/14
20140327783
Light-condensing unit, solid-state image sensor, and image capture device
A solid-state image sensor according to an embodiment of the present disclosure includes a photodetector array 100 in which photodetectors a and b are arranged two-dimensionally within an image capturing plane. Some of those photodetectors b located in multiple different mutually intersecting directions with respect to each photodetector a are adjacent to the photodetector a.
10/30/14
20140321848
Optical transmitter and method for controlling operation state of optical transmitter
An optical transmitter includes: a ring waveguide; an electrode which is formed near the ring waveguide and is provided with a signal; a first waveguide optically coupled to the ring waveguide; a second waveguide optically coupled to the ring waveguide without optically coupled directly to the first waveguide; and a light source configured to supply continuous wave light to the first waveguide.. .
10/30/14
20140321800
Position sensor using fiber bragg gratings to measure axial and rotational movement
A sensor is disclosed herein. The sensor includes a fiber operable to communicate a light wave.
10/30/14
20140321484
Picosecond optical radiation systems and methods of use
Methods, systems and apparatus are disclosed for delivery of pulsed treatment radiation by employing a pump radiation source generating picosecond pulses at a first wavelength, and a frequency-shifting resonator having a lasing medium and resonant cavity configured to receive the picosecond pulses from the pump source at the first wavelength and to emit radiation at a second wavelength in response thereto, wherein the resonant cavity of the frequency-shifting resonator has a round trip time shorter than the duration of the picosecond pulses generated by the pump radiation source. Methods, systems and apparatus are also disclosed for providing beam uniformity and a sub-harmonic resonator..
10/30/14
20140320865
Apparatus for detecting a 3d structure of an object
An apparatus for detecting a 3d structure of an object. The apparatus has first and second laser emitters which generate laser radiation having first and second wavelengths, respectively, the first wavelength being different from the second wavelength.
10/30/14
20140320854
Optical filter, optical filter module, spectrometric instrument, and optical instrument
An etalon filter includes a first substrate, a second substrate which faces the first substrate, a first optical film which is provided on the first substrate, and a second optical film which is provided on the second substrate to face the first optical film. The reflective characteristic of the first optical film determined by the reflectance of light of each wavelength in a reflective band is different from the reflective characteristic of the second optical film determined by the reflectance of light of each wavelength in the reflective band.
10/30/14
20140319638
Avalanche photodiode
According to one aspect, there is provided an avalanche photodiode comprising a first semiconductor layer that absorbs photons of a first wavelength range and having a first energy bandgap; a second semiconductor layer that absorbs photons of a second wavelength range and having a second energy bandgap, the second energy bandgap being different from the first energy bandgap; and a control layer between the first semiconductor layer and the second semiconductor layer, the control layer having a third energy bandgap engineered to suppress carriers created from dark current.. .
10/30/14
20140319572
Ceramic conversion element, optoelectronic component comprising a ceramic conversion element, and methods for producing a ceramic conversion element
A ceramic conversion element includes a multiplicity of first regions and a multiplicity of second regions, wherein the first regions vitreous, ceramic or monocrystalline fashion, at least either the first regions or the second regions are columnar and have a preferred direction forming an angle of at most 45° with a normal to a main surface of the conversion element, the first regions convert electromagnetic radiation in a first wavelength range into electromagnetic radiation in a second wavelength range different from the first wavelength range, the second regions convert electromagnetic radiation in the first wavelength range into electromagnetic radiation in a third wavelength range different from the first and second wavelength ranges, wherein the second regions are formed by a resin into which phosphor particles are embedded.. .
10/30/14
20140319376
Fluorescence excitation and detection system and method
System including an excitation assembly that is configured to excite a sample with first and second wavelengths during first and second excitation events, respectively, of an illumination/detection cycle. The sample provides emission light that includes different first, second, third, and fourth spectral patterns in response to the first and second wavelengths.
10/23/14
20140316226
Systems and methods of multispectral blood measurement
An exemplary system comprises an energy transmitter, an energy receiver, and an analyzer. The energy transmitter may project energy at a first wavelength and a second wavelength into tissue of a user, the first wavelength and the second wavelength being associated with at least one nutrient of a set of nutrients in blood of the user.
10/23/14
20140314425
Full-duplex multi-mode fiber communication
Techniques are presented herein to facilitate higher bandwidth communications in a data center using existing multi-mode fibers and full-duplex optical communication techniques. A first device transmits to a second device a first optical signal at a first wavelength on a first optical fiber.
10/23/14
20140314109
Direct modulated laser
A laser system can include an electrode to transmit electrical carriers into an active region in response to first electrical stimulation. The laser system can also include another electrode to transmit electrical carriers into the active region in response to second electrical stimulation.
10/23/14
20140312247
Fluorescence imager on a mobile device
Systems and methods for substantially simultaneously exciting a fluorescently labeled specimen and capturing fluorescent light emitted therefrom using a smartphone, tablet, or similar mobile computing device, are disclosed herein. The system includes a light-emitting diode (“led”) light source coupled with the smartphone to excite the specimen and an imaging device coupled with the smartphone to capture fluorescent light emitted from the specimen.
10/23/14
20140312212
Microplate reader with linear variable filter
A microplate reader includes a pair of linear variable filters (lvfs) that together form a wavelength selector. Movement of one or both of the lvfs enables selection of the desired center wavelength and/or passband used to analyze a sample on a microplate inserted into the microplate reader.
10/23/14
20140312161
Dual-mode sal/ir imaging
Dual mode sal/ir imaging seekers are described herein. In some embodiments, a dual-mode sal/ir imaging seeker described herein includes a focal plane array (fpa), an objective optical assembly providing a common optical path to the fpa for incident laser radiation of a first wavelength band and incident ambient radiation of a second wavelength band non-overlapping with the first wavelength band, a first optical filter operable to selectively pass the incident laser radiation to the fpa in a transmissive mode and selectively block the incident laser radiation from the fpa in a non-transmissive mode and a second optical filter assembly operable to selectively pass the incident ambient radiation to the fpa in a transmissive mode and selectively block the incident ambient radiation from the fpa in a non-transmissive mode..
10/16/14
20140308004
Grating edge coupler and method of forming same
An apparatus for optical coupling comprises a substrate, a first waveguide formed on the substrate and includes a grating structure directing light in a first direction, and a second waveguide formed on the first waveguide and including an angled portion directing the light in a second direction different from the first direction.. .
10/16/14
20140307998
Optical path-changing device having curved waveguide
In accordance with the present invention, there is provided an optical path-changing device having one or more curved waveguides, which not only can change an optical path at a large angle close to a perpendicular direction after light or an optical signal has been incident and reflected, but also can change the optical path in various directions, such as for straight pass, left turn, and right turn. An optical path-changing device having one or more curved waveguides according to an embodiment of the present invention includes a first waveguide (11) formed in a straight line.
10/16/14
20140307255
Multi-surface scattered radiation differentiation
An optical inspector includes a radiating source, a time varying beam reflector, a telecentric scan lens, a first and second waveplate, a polarizing beam splitter, a first detector, a focusing lens, a blocker, and a second detector. The radiating source irradiates the first waveplate generating circularly polarized source beam that irradiates a first position of on the time varying beam reflector with a source beam.
10/16/14
20140306944
Method of driving a plasma display apparatus
A method of driving a plasma display apparatus in which first electrodes and second electrodes are arranged adjacently and third electrodes are arranged to cross the first and second electrodes and in which one field comprises plural subfields having a reset period followed by an address period and a sustain period is provided. The method includes in the reset period in at least two of the subfields, applying a first waveform having a voltage that gradually increases in time to a first reached voltage to the second electrodes, and thereafter, applying a second waveform having a voltage that gradually decreases in time to the second electrodes, wherein the first reached voltages applied in at least two subfields of the subfields are different..
10/16/14
20140306258
Ceramic conversion element, optoelectronic semiconductor component comprising a ceramic conversion element, and method for producing a ceramic conversion element
A ceramic conversion element having a multiplicity of columnar regions arranged within a ceramic or vitreous matrix, wherein the columnar regions have a preferential direction which makes an angle of at most 45° with a normal to the main surface of the conversion element, at least either the columnar regions or the matrix convert electromagnetic radiation of a first wavelength range into electromagnetic radiation of a second wavelength range different from the first wavelength range and, the columnar regions are formed by wavelength-converting monocrystalline or ceramic fibers and/or monocrystalline or ceramic platelets, said fibers and/or said platelets are provided with a reflective coating.. .
10/16/14
20140304971
Grating edge coupler and method of forming same
An apparatus for optical coupling comprises a substrate, a first waveguide formed on the substrate and includes a grating structure directing light in a first direction, and a second waveguide formed on the first waveguide and including an angled portion directing the light in a second direction different from the first direction.. .
10/09/14
20140301693
Optical modulator using waveguides
In accordance with an optical modulator using waveguides of the present invention, the reflection phenomenon of light is used, so that the optical modulator is neither sensitive to the wavelength, mode, polarization, intensity, beam size, etc. Of light, nor sensitive to the temperature, the waveguide size, the uniformity of a refractive index, carrier doping concentration, changes in control voltage/current, etc., thus obtaining stable optical modulation characteristics.
10/09/14
20140301063
Light-emitting arrangement
A light-emitting arrangement (100) comprises: a reflective member (101) having a reflective surface (102); at least one light-emitting diode (103) arranged on the reflective surface of the reflective member, the at least one light-emitting diode being adapted to emit light of a first wavelength; and a wave length converting member (104) comprising a first wavelength converting material adapted to convert light of the first wavelength into light of a second wavelength. The wavelength converting member is arranged on the reflective member and having a top face (105)oriented parallel to the reflective surface of the reflective member, and having a first side face (106) and a second side face (107)each arranged between the top face and the reflective member on a respective side of the at least one light-emitting diode, and wherein the top face is arranged at a vertical distance (v1) from a light-emitting surface (108) of the at least one light-emitting diode.
10/09/14
20140300891
Method and apparatus for detecting degree of spoilage of food
A method detects the degree of spoilage of food by exposing a food sample to an excitation wave having a first wavelength of about 340 nm or about 380 nm, wherein the excitation wave has a bandwidth of 40 nm or less. The excitation wave is permitted to interact with the food sample and return emission spectra.
10/09/14
20140299774
Spectrometer and method of operating same
A spectrometer has a first and second light sources (12, 14) which generate light radiation (24) in a first and second wavelength ranges, and a mirror unit (16) for deflecting the light radiation (24, 26) into a measurement path (18), arranged so that the radiation of both wavelength ranges (24, 26) runs through on the same optical path. A detector (20) detects radiation (24, 26) running through the measurement path (18) and an evaluation unit (22) evaluates the radiation (24, 26) incident at the detector (20) and for determining a concentration of a measurement gas component present in the measurement path (18).
10/02/14
20140295536
Particle measuring apparatus
A particle measuring apparatus comprising a flow cell configured to flow a specimen, a first light source configured to emit light having a first wavelength, a second light source configured to emit light having a second wavelength different from the first wavelength, an irradiation optical system configured to irradiate the flow cell with light emitted from the first light source and the second light source, a first light receiving portion configured to receive scattered light obtained by irradiating a measurement particle passing through the flow cell with light from the first light source, and a second light receiving portion configured to receive scattered light obtained by irradiating a measurement particle passing through the flow cell with light from the second light source.. .
10/02/14
20140295488
Blood cell analyzer and blood cell analyzing method
A blood cell analyzer comprising a flow cell configured to flow a measurement specimen containing blood cells, a first light source configured to emit light having a first wavelength, a second light source configured to emit light having a second wavelength different from the first wavelength, a first light receiving portion configured to receive first scattered light generated by irradiating the blood cells in the measurement specimen with light from the first light source, a second light receiving portion configured to receive second scattered light generated by irradiating the blood cells in the measurement specimen with light from the second light source, and a control section configured to classify at least white blood cells from the blood cells contained in the measurement specimen, based on a detection signal output from the first light receiving portion and a detection signal output from the second light receiving portion.. .
10/02/14
20140295487
Blood cell analyzer and blood cell analyzing method
A blood cell analyzer comprises a flow cell configured to flow a measurement specimen containing blood cells, a first light source configured to emit light having a first wavelength, a second light source configured to emit light having a second wavelength different from the first wavelength, a first light receiving portion configured to receive first scattered light obtained by irradiating the blood cells passing through the flow cell with light from the first light source, a second light receiving portion configured to receive second scattered light obtained by irradiating the blood cells passing through the flow cell with light from the second light source, and a control section configured to discriminate at least red blood cells from the blood cells contained in the measurement specimen based on detection signals output from the first light receiving portion and the second light receiving portion, respectively.. .
10/02/14
20140293576
Phosphor device and illumination system using same
A phosphor device of an illumination system emitting a first color light in a first waveband region includes a first region having n sub-regions and n single-powder phosphor agents, wherein n is ≧2. The n single-powder phosphor agents are coated on the n sub-regions, respectively, for transforming the first color light in the first waveband region into n color lights in n waveband regions.
10/02/14
20140293423
Diffractive device
A method and apparatus for viewing or authenticating a diffractive device and a diffractive security device (1) are provided in which a first diffractive relief structure (200) is responsive to a first wavelength of visible monochromatic light, a second diffractive relief structure (200) is at least partially interlaced with the first diffractive relief structure (100) and responsive to a second wavelength of visible monochromatic light, and a third diffractive relief structure (400) is at least partially interlaced with the first and second diffractive relief structures (100, 200) and responsive to a third wavelength of visible monochromatic light. Under illumination by the first, second and third wavelengths of monochromatic light, the first diffractive relief structure (200) produces a first partial image of a first colour in a reconstruction plane, the second diffractive relief structure (300) produces a second partial image of a second colour in the reconstruction plane and the third diffractive relief structure (400) produces a third partial image of a third colour in the reconstruction plane, and the first, second and third partial images at least partially overlap in the reconstruction plane to form a multicoloured image.
10/02/14
20140291714
Semiconductor light emitting device
The present disclosure relates to a semiconductor light emitting device, comprising: a plurality of semiconductor layers that grows sequentially on a growth substrate, with the plurality of semiconductor layers including a first semiconductor layer having a first conductivity, a second semiconductor layer having a second conductivity different from the first conductivity, and an active layer interposed between the first semiconductor layer and the second semiconductor layer, generating a light with a first wavelength via electron-hole recombination; a first electrode, supplying either electrons or holes to the plurality of semiconductor layers; a second electrode, supplying, to the plurality of semiconductor layers, electrons if the holes are supplied by the first electrode, or holes if the electrons are supplied by the first electrode; a phosphor part provided over the first semiconductor layer on the side of the growth substrate, converting the light with the first wavelength generated in the active layer into a light of a second wavelength; and a non-conductive reflective film formed on the second semiconductor layer for reflecting the light from the active layer towards the first semiconductor layer on the side of the growth substrate, with the non-conductive reflective film having a distributed bragg reflector designed based on the light converted by the phosphor part.. .
09/25/14
20140286648
Optical mimo processing
A technique is provided for an optical multiple input multiple output (mimo) processing system. The optical (mimo) processing system includes an interface to a multi-mode fiber at a first end of the optical processing system; m first single-mode waveguides coupled to the interface; wherein the first waveguides are arranged to carry m first optical signals, respectively; n second single-mode waveguides at a second end of the optical processing system, wherein the second waveguides are arranged to carry n second optical signals, respectively, wherein the n second optical signals are associated with n modes carried by the multi-mode fiber; and an optical processing core arranged to transform the first optical signals into the second optical signals such that a correlation between the second optical signals is decreased compared to a correlation between the first optical signals using a plurality of optical couplers for coupling each of the m first optical signals with one another, such that each of the n second optical signals is a linear combination of all of the m first optical signals..
09/25/14
20140286132
An ultrasound doppler detection method with golay code excitation
An ultrasound doppler detection method with golay-encoded excitation is used to obtain the flow information of a moving object. A first golay code is transmitted to the moving object for a reflection signal of the first golay code and a second golay code is transmitted to the moving object for a reflection signal of the second golay code after waiting for a pulse repetition interval.
09/25/14
20140285876
Optical amplifier and optical amplifying method
There is provided an optical amplifier including a diffusing unit configured to be driven by a first current density and to increase a beam diameter of an incident laser beam that passes through a first waveguide that guides the laser beam, and an amplifying unit configured to be driven by a second current density that is higher than the first current density and to amplify intensity of the laser beam that passes through a second waveguide that guides the laser beam whose beam diameter has been increased by the diffusing unit. The first waveguide of the diffusing unit has a tapered shape in which a cross-sectional area of the first waveguide is gradually increased toward a travelling direction of the laser beam..
09/25/14
20140285772
Light source device and display device
There is provided a light source device including a first light source configured to emit light in a first wavelength region, a second light source configured to emit light in a second wavelength region different from the first wavelength region, a wavelength conversion unit including a fluorescent material and configured to emit fluorescent emission light in a different wavelength region upon irradiation with the light in the first wavelength region, and a combining unit that has wavelength selectivity to a specific wavelength region corresponding to the second wavelength region and combines the light in the first wavelength region from the first light source, the light in the second wavelength region from the second light source, and the fluorescent emission light which are incident on the combining unit with one another.. .
09/25/14
20140285701
Solid-state imaging apparatus and imaging system
A solid-state imaging apparatus, comprising a plurality of pixels arranged on a substrate, and element isolation regions formed between the plurality of pixels on the substrate, wherein the plurality of pixels include a first pixel including a first color filter for passing light having a first wavelength, a second pixel including a second color filter for passing light having a second wavelength shorter than the first wavelength, and a pixel for focus detection into which light longer than at least the second wavelength enters, and of the element isolation regions, a first region between the pixel for focus detection and the first pixel has a potential barrier against a signal charge, which is higher than that of a second region between the first pixel and the second pixel.. .
09/25/14
20140285694
Solid-state imaging apparatus and imaging system
A solid-state imaging apparatus, comprising a plurality of pixels arrayed on a substrate, and element isolation regions formed between the plurality of pixels on the substrate, wherein the plurality of pixels include a first pixel including a first color filter for passing light having a first wavelength, a second pixel including a second color filter for passing light having a second wavelength longer than the first wavelength, and a pixel for focus detection including a light-shielding pattern arranged on the photoelectric conversion portion to limit light entering the photoelectric conversion portion, and among the element isolation regions, a first region between the pixel for focus detection and the first pixel has a potential barrier against a signal charge, which is lower than that of a second region between the first pixel and the second pixel.. .
09/25/14
20140285691
Solid state imaging device
A solid state imaging device according to an embodiment includes: a pixel array including a plurality of pixel blocks on a first surface of a semiconductor substrate, each pixel block having a first to third pixels each having a photoelectric conversion element, the first pixel having a first filter with a higher transmission to a light in a first wavelength range, the second pixel having a second filter with a higher transmission to a light in a second wavelength range having a complementary color to a color of the light in the first wavelength range, and the third pixel having a third filter transmitting lights in a wavelength range including the first and second wavelength ranges; a readout circuit reading signal charges from the first to the third pixels; and a signal processing circuit processing the signal charges.. .
09/25/14
20140285657
Inspection system including parallel imaging paths with multiple and selectable spectral bands
The present disclosure is directed to a system for inspecting a sample with multiple wavelengths of illumination simultaneously via parallel imaging paths. The system may include at least a first detector or set of detectors configured to detect illumination reflected, scattered, or radiated along a first imaging path from a selected portion of the sample in response to the first wavelength of illumination and a second detector or set of detectors configured to concurrently detect illumination reflected, scattered, or radiated along a second imaging path from the selected portion of the sample (i.e.
09/25/14
20140285420
Imaging device, displaying device, mobile terminal device, and camera module
An imaging device includes: a radiation unit configured to radiate light with a peak of a specific wavelength; a light receiver configured to have first sensitivity to a first wavelength longer than the specific wavelength, the first sensitivity being lower than second sensitivity to a second wavelength shorter than the specific wavelength; and a filter configured to block the second wavelength.. .
09/25/14
20140284748
Light sensor having transparent substrate and diffuser formed therein
A light sensor is described that includes a glass substrate having a diffuser formed therein and at least one color filter integrated on-chip (i.e., integrated on the die of the light sensor). In one or more implementations, the light sensor comprises a semiconductor device (e.g., a die) that includes a semiconductor substrate.
09/18/14
20140272221
Inflatable membrane for fluorescent imaging and improvements in dye materials
An inflatable membrane for use with a three-dimensional (3d) scanning system configured to measure signal intensity of a first and a second wavelength of light may include a matrix material, a pigment for opacity, and a fluorescent material that is transparent to the first and the second wavelengths of light. The first and second wavelengths of light may be ranges of wavelengths.
09/18/14
20140272030
Interior energy-activation of photo-reactive species inside a medium or body
A method and a system for producing a change in a medium. The method places in a vicinity of the medium an energy modulation agent.


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Second Wave topics: Second Wave, Calibration, Semiconductor, Semiconductor Devices, Rc Oscillator, Semiconductor Device, Calibration Circuit, Fluorescence, Microscopy, Microscope, Transducer, Signal Processing, Control Program, Digital Signal Processing, Image Acquisition

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