|| List of recent Second Wave-related patents
|Device for controlling laser beam and generating extreme ultraviolet light|
A device is provided for controlling a laser beam. The device may include a first wavefront adjuster provided in a beam path of a laser beam outputted from a laser apparatus, a beam delivery unit provided in a beam path of the laser beam from the first wavefront adjuster, a second wavefront adjuster provided in a beam path of the laser beam from the beam delivery unit, a beam monitor provided in a beam path of the laser beam from the second wavefront adjuster, and a controller configured to control the first and second wavefront adjusters based on a detection result of the beam monitor.
|Image forming apparatus|
Depending on an output impedance of a commercial ac power supply calculated by an output impedance calculating unit, a control unit controls the supply of power so that a current of a first waveform pattern capable of supplying an amount of power to be supplied to a heat generating member determined based on temperature information and capable of supplying power such that a harmonic current value is suppressed smaller than a predetermined value flows into the heat generating member, or the control unit controls the supply of power so that a current of a second waveform pattern capable of supplying an amount of power to be supplied to the heat generating member based on the temperature information and capable of supplying power such that the value of a flicker pst is suppressed smaller than a predetermined value flows into the heat generating member.. .
Canon Kabushiki Kaisha
|Tunable reflectors based on multi-cavity interference|
A reflective structure includes an input/output port and an optical splitter coupled to the input/output port. The optical splitter has a first branch and a second branch.
Skorpios Technologies, Inc.
|Real time optical detection of bacteria|
A system and method for the detection of bacteria on a sample, utilises spectroscopic analysis of the sample and the fluorescent properties of bacteria or other substance(s) or matter associated with the bacteria to identify the presence of bacteria on the sample. A detector analyses light emitted from the sample in response to illumination.
|Optical signal routing|
An upgradable optical router for use in an optical switching network. In an initial configuration, the optical router includes wavelength selective switches configured to switch optical signals having wdm wavelengths positioned in a grid having exactly 100 ghz (about 0.8 nm) spacing in optical frequency, aka fixed grid.
British Telecommunications Public Limited Company
|Edge emitting semiconductor laser|
An edge emitting semiconductor laser includes a semiconductor body including a waveguide region, the waveguide region including first and second waveguide layers and an active layer arranged between the first and second waveguide layers, that generates laser radiation; the waveguide region is arranged between a first and second cladding layers disposed downstream of the waveguide region; a phase structure for selection of lateral modes of the laser radiation emitted by the active layer, wherein the phase structure includes at least one cutout extending from a top side of the semiconductor body into the second cladding layer; at least one first intermediate layer composed of a semiconductor material different from that of the second cladding layer embedded into the second cladding layer; and the cutout at least partly extends from the top side into the first intermediate layer; the second cladding layer contains a first partial layer adjoining the waveguide region.. .
Osram Opto Semiconductors Gmbh
|Multi-layer optical barcode with security features|
A multi-layer optical barcode with security features is described herein. An example method includes illuminating a first phosphor layer on a substrate with light having a first wavelength, wherein the first phosphor layer has luminescent properties such that when it is illuminated by light having the first wavelength, it emits light having a second wavelength, the first phosphor layer is divided into a first two-dimensional grid of cells arranged in a first spatial pattern, wherein each cell of the first phosphor layer corresponds to one bit of an identification code, a first portion of the first phosphor layer is removed from a first number of cells of the first two-dimensional grid of cells to expose the substrate for the first number of cells, capturing a first image of the light emitted by the first phosphor layer having the second wavelength, determining whether the first phosphor layer is authentic based on the first image, and determining the identification code based on the first image..
|Background noise measurement and frequency selection in touch panel sensor systems|
A touch panel sensor system that can dynamically measure noise and automatically switch to a frequency with minimal noise is described. The touch panel sensor system includes a sensor configured to detect a change in capacitance associated with a touch upon a touch panel.
Qualcomm Technologies, Inc.
|Contrast enhancing filter for eye glasses and contrast enhancing eye glass|
An optical filter for eye glasses, in particular suitable for spectacle lenses or ski goggles, has a spectral power transmission curve of optical radiations. The spectral power transmission curve exhibits a local maximum spectral transmission (tmax) of radiations in a first wavelength range (Δλmax).
Carl Zeiss Vision Italia S.p.a.
|Apparatus of light source for display and apparatus of display using the same|
An apparatus of light source for display for display according to an exemplary embodiment of the present disclosure may include a light source module configured to generate and emit a light, a light transmission member configured to decrease a luminous flux per unit area and emit the light, by receiving the light from the light source module, a first wavelength conversion part arranged on a light path from the light source module to an emitting surface of the light transmission member to convert a portion of the received light to a light of a predetermined wavelength and emit the light, and a second wavelength conversion part discretely arranged from the first wavelength conversion part on the light path to convert a portion of the received light to a light of a wavelength different from the wavelength of the first wavelength conversion part and emit the light.. .
Lg Electronics Inc.
Brightness enhancing film and backlight unit comprising the same
Disclosed is a brightness enhancing film, including a multilayered thin film wherein a plurality of first thin film layers which are optically anisotropic and a plurality of second thin film layers which are optically isotropic are alternately stacked, the multilayered thin film including a first wavelength reflection region which reflects a wavelength of 160˜451 nm, a second wavelength reflection region which reflects a wavelength of 451˜836 nm, and a third wavelength reflection region which reflects a wavelength of 836˜1040 nm, and a thickness of each of the first and second thin film layers in the first and second wavelength reflection regions is linearly increased from the short wavelength reflection side toward the long wavelength reflection side, and a thickness of each of the first and second thin film layers in the third wavelength reflection region is nonlinearly increased from the short wavelength reflection side toward the long wavelength reflection side.. .
Kolon Industries, Inc
Apparatus for detecting distances in two directions
Provided is an apparatus for measuring distances in two directions. The apparatus in accordance with an embodiment of the present invention may include a sensor module configured to include a light emission unit configured to emit a first wavelength beam and a second wavelength beam, a light reception unit configured to receive reflected light emitted by the light emission unit and reflected from an object and first and second beam splitters respectively disposed ahead of the light emission unit and the light reception unit and configured to transmit the first wavelength beam and reflect the second wavelength beam; and a motor configured to rotate the sensor module.
Hitachi-lg Data Storage Korea, Inc.
Solid-state light source device
A solid-state light source device is equipped with a semiconductor light emitting element and a wavelength conversion element. The semiconductor light emitting element has a first light emitter and a second light emitter.
Panasonic Intellectual Property Management Co., Ltd.
Orthogonal frequency division multiplexing (ofdm) channel estimation to improve the smoothing process
A method of processing communication signals, is described. The method includes receiving a communication signal in a time domain, converting the communication signal to a frequency domain, providing resource blocks, the resource blocks including a first resource block and a second resource block, the first having a first boundary and a second boundary, the first boundary being adjacent to the second resource block, the second boundary being non-adjacent to other resource blocks, the first resource block including pilot signals, generating a third resource block based on the one or more pilot signals, providing a first waveform based on the resource blocks and the third resource block, applying a smoothing filter against the first waveform to generate a second waveform, generating a third waveform using at least the first and third set of phase and amplitude differences, and converting the third waveform from the frequency domain to the time domain..
Spreadtrum Communications (shanghai) Co., Ltd.
Multi-layer substrate and manufacturing multi-layer substrate
The present invention relates to a multi-layer substrate which can be used in a wireless signal transmission/reception apparatus, etc, a through-hole and a first waveguide and a second waveguide which are formed by conductive films enclosing the inner surface of the through-hole are formed on an upper substrate and a lower substrate of the multi-layer substrate, respectively, and an rf signal can be transmitted between an upper surface and a lower surface through the two waveguides. A process of manufacturing a multi-layer substrate by a surface mount technology (smt) is used, so that a waveguide passing through the multi-layer substrate can be precisely and easily formed..
Image sensor having improved light utilization efficiency
An image sensor includes a first pixel row including a plurality of first pixels configured to sense first wavelength light, the first wavelength light having a first wavelength, a second pixel row adjacent to the first pixel row, the second pixel row including a plurality of second pixels configured to sense second wavelength light and a plurality of third pixels configured to sense third wavelength light, the plurality of second pixels and the plurality of third pixels being alternately arranged, the second wavelength light having a second wavelength and the third wavelength light having a third wavelength and a plurality of first color separation elements in the plurality of second pixels, respectively, the plurality of separation elements configured to change a spectrum distribution of incident light.. .
Samsung Electronics Co., Ltd.
Optical logic circuit operating by controlling reflection of light and computing device using said optical logic circuit
The disclosed optical logic circuit operating by controlling the reflection of light comprises: a first waveguide, at least a portion of which is formed into the shape of a straight line; a second waveguide branched at a predetermined angle from the first waveguide; and a first reflector having a refractive index that varies based on a first input signal, the first reflector selecting either the first waveguide or the second waveguide as a pathway of light. The value of the signal of a first output terminal provided through the first waveguide and the value of the signal of a second output terminal provided through the second waveguide can be adjusted using the first input signal..
Korea Advanced Institute Of Science And Technology
Dual edge coupler
According to one aspect, a luminaire comprising a first waveguide having a first coupling surface, a second waveguide having a second coupling surface, and a coupling optic optically coupled to the first coupling surface and the second coupling surface and adapted to receive a light source. The coupling optic comprising a central coupling section, a first light distribution section, and a second light distribution section opposed to the first light distribution section, wherein each of the first and second light distribution sections includes a first surface having a curved portion and a planar portion both bounded by a second surface and a third surface.
Optomechanical sensor for accelerometry and gyroscopy
Embodiments of the present disclosure are directed towards a micro-electromechanical system (mems) sensing device, including a laser arrangement configured to generate a light beam, a first waveguide configured to receive and output a first portion of the light beam, and a second waveguide having a section that is evanescently coupled to the first waveguide and configured to receive and output a second portion of the light beam. The section of the second waveguide is configured to be movable substantially parallel to the first waveguide, wherein a movement of the section of the second waveguide may be caused by an inertial change applied to the sensing device.
An detecting a component in a sample
An apparatus for detecting a first component in a sample, the first component being responsive to at least radiation of a first wavelength, the sample comprising the first component and a second component responsive to at least radiation of a second wavelength.. .
Radiometer Medical Aps
Efficient led-based illumination modules with high color rendering index
An illumination module includes a light mixing cavity with an interior surface area and window that are physically separated from an led. A portion of the window is coated with a first wavelength converting material and a portion of the interior surface area is coated with a second wavelength converting material.
Oil soluble taggants
A process for detecting oil or lubricant contamination in the production of an article by adding a stokes-shifting taggant to an oil or lubricant of a machine utilized to produce the article or a component thereof, irradiating the articles produced with a first wavelength of radiation, and monitoring the articles for emission of radiation at a second wavelength. The taggant can be in the form of a composition containing a stokes-shifting taggant, which absorbs radiation at a first wavelength and emits radiation at a second wavelength, different from said first wavelength, dissolved or dispersed in an oil or lubricant..
Altria Client Services, Inc.
Light driven liquid crystal elastomer actuator
A liquid crystal elastomer actuator to move in a fluid is described herein. The actuator includes a body with dimensions between 100 nm and 800 μm having a low reynolds number.
Cnr - Consiglio Nazionale Delle Ricerche
Photo-medicine system and method
A photo-medicine device may include a housing having: a mounting member and an application member including an aperture. An led array having at least one led configured to emit light through the aperture at a first wavelength and at least one led configured to emit light through the aperture at a second wavelength may be mounted to the mounting member.
External cavity system generating broadly tunable terahertz radiation in mid-infrared quantum cascade lasers
A broadly tunable terahertz source constructed as an external cavity system using a difference-frequency generation quantum cascade laser source. The external cavity system includes an external diffraction grating configured to tune and reflect mid-infrared emission at a first wavelength.
Image forming apparatus, image forming method, image forming system, and recording medium
An image forming apparatus includes an imager that is electrically connected to an image sensor disposed at a position where light that has passed through a sample slice is incident on the image sensor, and an illumination system that emits illumination light successively in different illumination directions relative to a sample slice to illuminate the sample slice with the illumination light and that emits a first light having a peak in a first wavelength range and a second light having a peak in a second wavelength range. The image forming apparatus obtains a plurality of first-color images with the image sensor while the sample slice is being illuminated with the first light serving as the illumination light successively in the different illumination directions.
Panasonic Intellectual Property Management Co., Ltd.
Spatial and spectral filtering apertures and optical imaging systems including the same
A filter includes a central filter region, the central filter region to transmit a first wavelength range, a peripheral filter region, the peripheral filter region to block a second wavelength range, and a transition filter region between the central and peripheral filter regions, the transition filter region to transmit or block the second wavelength range differently than the second wavelength range is to be transmitted or blocked in the central and peripheral filter regions. More generally, there may be “n” regions and up to n-1 transition regions..
Novadaq Technologies Inc.
Method and system for determining asphaltene onset pressure using a wavelength dependent signal
Methods and systems for determining asphaltene onset pressure of a formation fluid are disclosed herein. The method includes positioning a wellbore tool within a wellbore and drawing a formation fluid sample into the wellbore tool.
Schlumberger Technology Corporation
Data processing system and data processing chromatograph
A data processing system including a sensitivity coefficient holder for holding a value r of a sensitivity coefficient for a wavelength λ1 belonging to one peak in a spectrum of a first component and a second wavelength λ2 belonging to the same peak and having a lower intensity than λ1, the value r defined using the ratio of the peak areas or similar information of two chromatograms respectively obtained at the two wavelengths; a chromatographic detector for spectroscopically analyzing sample components exiting from a component-separating column and for measuring an intensity at the second wavelength λ2 of the spectrum of the first component and an intensity at a wavelength λ3 of a spectrum of a second component at each point in time; and a concentration ratio calculator for calculating the ratio of concentration between the first component and the second component.. .
Illumination system and wavelength-converting device thereof
An illumination system includes a solid-state light-emitting element and a wavelength-converting device. A first waveband light is emitted to an optical path by the solid-state light-emitting element.
Delta Electronics, Inc.
A system and method of detecting spores includes a light source configured to emit a light pulse within a first wavelength range, and a light sensor configured to detect a resulting phosphorescence emitted from one or more desiccated spores phosphorescing within a second wavelength range in a vicinity of the light pulse. The spore detector also includes circuitry configured to trigger emission of the light pulse and record the emitted phosphorescence at a pre-determined time after the light pulse..
Lockheed Martin Corporation
Phototherapy apparatus, operating same, and treatment method using same
The present invention relates to a phototherapy apparatus, to a method for operating same, and to a treatment method using same. The phototherapy apparatus includes a body including a first resonator generating a first wavelength of light, a first module connected to the body and radiating the first wavelength of light generated from the first resonator to the outside, and a second module generating a second wavelength of light using the first wavelength of light transmitted from the body and radiating the second wavelength light to the outside..
Laser device, and exposure device and inspection device provided with laser device
A laser device, includes: a laser light generating unit generates laser lights with first and second wavelengths; an amplifying unit amplifies the lights with first and second wavelengths the first and the second amplified lights; a wavelength converting unit that generates a light output, either of first converted light wavelength conversion of the first amplified light and the second amplified light, or of the first converted light and the second converted light wavelength conversion of the second amplified light; and a control unit that controls operation of the laser light generating unit, wherein: the control unit controls an output condition of the light output by adjusting a temporal overlap, of the first converted light and the second amplified light, or the first and second converted lights, through control of relative timings of the laser light with the first and second wavelengths.. .
Vision system to authenticate documents
A vision system to authenticate documents is described herein. An example apparatus includes an illuminating source to illuminate a pattern on a sample with first infrared light having a peak wavelength at a first wavelength, wherein the pattern is printed with ink that has luminescent properties such that when the pattern is illuminated by infrared light containing the first wavelength, the pattern emits second infrared light having a peak wavelength at a second wavelength, a filter adjacent to the illuminating source, wherein the filter passes the second infrared light and the filter does not pass the first infrared light, a photo element in close proximity to the filter such that the second infrared light that passes through the filter illuminates the photo element, wherein the photo element detects the second infrared light and captures an image of the pattern, and a display to display the image captured by the photo element..
Illumination system, projection apparatus and illumination switch method
An illumination system includes an optical switch component, a wavelength conversion element, a first light splitter and a light combining element. The optical switch component switches between a first state and a second state.
Delta Electronics, Inc.
Conversion element and a light-emitting diode including such a conversion element
A conversion element for the wavelength conversion of electromagnetic radiation from a first wavelength range to electromagnetic radiation from a second wavelength range, which includes longer wavelengths than the first wavelength range, the conversion element includes: a matrix material, the optical refractive index of which is temperature-dependent, and at least two different types of luminophore particles wherein a multiplicity of luminophore particles of each of the types are distributed in the matrix material, luminophore particles of different types differ from one another in terms of average particle size and/or material, the conversion element, upon excitation by electromagnetic radiation from the first wavelength range emits mixed radiation including electromagnetic radiation from the first and the second wavelength range, and the correlated color temperature and/or the color locus of the mixed radiation remain(s) substantially the same when the matrix material is at a temperature of between 25° c. And 150° c..
Photoluminescent winch apparatus
An illumination apparatus for a winch configured to engage a retractable cord is disclosed. The illumination apparatus comprises a light source configured to emit an excitation emission at a first wavelength.
Ford Global Technologies, Llc
Optical wavelength demultiplexer having optical interference filters connected in cascade
An optical wavelength demultiplexer includes a wavelength demultiplexing device, a first wavelength filter and a first- and second-stage wavelength sub-filters. The wavelength demultiplexing device demultiplexes an input light into a first wavelength band including wavelengths λ1 and λ2 in the vicinity of 1310 nm and a second wavelength band including a wavelength λ3 of 1490 nm and a wavelength λ4 of 1550 nm to output.
Frequency selector for mm-wave communication using a dielectric waveguide
Signals on a dielectric waveguide are filtered to pass or block selected frequencies. A combined signal is received in the dwg, wherein the combined signal comprises at least a first frequency signal with a first wavelength and a second frequency signal with a second wavelength.
A display device includes a first substrate, and a second substrate opposing the first substrate and including a color filter layer. The color filter layer includes a red color filter, a green color filter and a blue color filter.
Measuring measuring the trajectory of a target object
A measuring apparatus for measuring the trajectory of a target object includes a receiving device having a primary mirror and a secondary mirror; a first detector for detecting first electromagnetic radiation having a first wavelength and a second detector for detecting second electromagnetic radiation having a second wavelength. The primary mirror is designed to reflect the first electromagnetic radiation and the second electromagnetic radiation and to direct the radiation onto a focal region.
Ultrasonic generating device
An ultrasonic generating device, which can generate an ultrasound with complex waveform, includes a first waveform generating element, which emits a first waveform, and a second waveform generating element. The second waveform generating element periodically adjusts the first waveform with at least one frequency higher than the first waveform to form a second waveform in the first waveform.
Apparatus for eye tracking
An eye tracker having a waveguide for propagating illumination light towards an eye and propagating image light reflected from at least one surface of an eye, a light source optically coupled to the waveguide, and a detector optically coupled to the waveguide. Disposed in the waveguide is at least one grating lamina for deflecting the illumination light towards the eye along a first waveguide path and deflecting the image light towards the detector along a second waveguide path..
Coherent waveform conversion in optical networks
A method for wavelength conversion comprising receiving an input optical signal with a first wavelength, converting the input optical signal to a plurality of input analog signals, generating a plurality of digital signals based on the input analog signals, compensating for waveform distortions by at least filtering one or more of the digital signals to generate one or more compensated digital signals, converting the compensated digital signals to output analog signals via digital-to-analog (da) conversion, generating an output optical signal with a second wavelength different from the first wavelength based on the output analog signals, and transmitting the output optical signal.. .
Dual wavelength lasing device
A semiconductor lasing device (10) for emitting radiation at multiple distinct wavelengths, the device (10) comprising an active layer (16) having first portion (20) and a second portion (21), the first and second portions (20, 21) being separated by a bragg grating (19) extending through the entire depth of the active layer (16), the first portion (20) defining a first lasing cavity (29) for emitting electromagnetic radiation at a first wavelength λ1 and the first and second portions (20, 21) together defining a second lasing cavity (31) for emitting electromagnetic radiation at a second wavelength λ2.. .
Millimeter waveband filter
To provide a millimeter waveband filter which can vary a resonance frequency in a wider band without causing deterioration of resonance characteristics due to leakage of electromagnetic waves. In a millimeter waveband filter 20, a first waveguides 22 and a second waveguide 24 are relatively moved to vary the interval between the electric wave half mirrors 30a and 30b, and the resonance frequency of a resonator formed between the mirrors varies to selectively transmit resonance frequency components.
Image display device and image display method
A light quantity measurement unit measures a quantity of light of a light source that has a first light-emitting element that emits light of a first wavelength band and a second light-emitting element that emits light of a second wavelength band. The light quantity measurement unit includes first and second filters having the first and second wavelength bands as the detection wavelength bands.
Graphene quantum dots and making
A method for forming a graphene quantum dot product includes adding an organic starting material to a vessel and heating the organic starting material to a temperature within 20° c. Of the organic starting material's boiling temperature for a time no longer than ten minutes to form graphene quantum dots.
Systems and methods for optimizing emissions from simultaneous activation of electrosurgery generators
A non-transitory computer-readable storage medium is presented including a power supply module configured to output power, a first energy module configured to receive the power and convert the power into a first waveform having a first phase, and to deliver the power in a first energy mode, and a second energy module configured to receive the power and convert the power into a second waveform having a second phase, and to deliver the power in a second energy mode. A host controller module is configured to control a type and a number of energy modalities provided by the generator platform and a comparator compares the first phase of the first waveform with the second phase of the second waveform in one or more of a plurality of sub-periods.
Systems and methods for optimizing emissions from simultaneous activation of electrosurgery generators
A modular electrosurgical generator platform is presented including a power supply module configured to output power, a first energy module configured to receive the power and convert the power into a first waveform having a first phase, and to deliver the power in a first energy mode, and a second energy module configured to receive the power and convert the power into a second waveform having a second phase, and to deliver the power in a second energy mode. The modular electrosurgical generator platform also includes a host controller module to control a type and a number of energy modalities, a comparator for comparing the first phase of the first waveform with the second phase of the second waveform in one or more of a plurality of sub-periods and an adjustment module for adjusting a relative phase between the first and second waveforms based on results obtained from the comparator..
Systems and methods for optimizing emissions from simultaneous activation of electrosurgery generators
A method for optimizing emissions from simultaneous activation of electrosurgery generators is presented including delivering first energy to a first target tissue via a first energy module, the first energy represented as a first waveform having a first phase, delivering second energy to a second target tissue via a second energy module, the second energy represented as a second waveform having a second phase, applying the first energy in a first energy mode, and applying the second energy in a second energy mode. The method further includes the steps of comparing the first phase of the first energy waveform with the second phase of the second energy waveform and adjusting a relative phase between the first and second energy waveforms based on the comparison step..
An imaging device includes an image sensing unit having a plurality of pixels two-dimensionally arranged. The plurality of pixels include a first pixel and a second pixel.
Canon Kabushiki Kaisha
Optical transmission system, optical phase modulator, and optical modulation method
The optical transmission system incudes signal output means (11s) for outputting a drive signal according to an input signal to the first optical modulator (11a), first waveform shaping signal output means (12s) for outputting a first waveform shaping signal to the second optical modulator (10a), and second waveform shaping signal output means (13s) for outputting a second waveform shaping signal to the third optical modulator (13a). The first waveform shaping signal is output to the second optical modulator (10a) at a timing relatively later than a timing of an output of a signal by the first optical modulator (11a).
Esd protection thyristor adapted to electro-optical devices
A thyristor may include a first optical waveguide segment in a semiconductor material, having first and second complementary longitudinal parts of opposite conductivity types configured to form a longitudinal bipolar junction therebetween. The thyristor may further include a second optical waveguide segment in a semiconductor material, adjacent the first waveguide segment and having first and second complementary longitudinal parts of opposite conductivity types configured to form a longitudinal bipolar junction therebetween.
Stmicroelectronics (crolles 2) Sas
Output monitoring optical modulator and output monitoring device
An output monitoring method for an optical modulator includes: branching light into first and second lights; modulating a phase of the first light within a first waveguide; modulating a phase of the second light within a second waveguide; multiplexing the first and second lights to generate interference light, and outputting the interference light from first and second output ports; detecting a difference or ratio between a portion of the interference light from the first output port and a portion of the interference light from the second output port; and setting an operating point of light based on the detected difference or ratio; and controlling phase modulation of follow-on light that propagates through the first and second waveguides so as to keep the operating point constant.. .
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.
Xtralis Technologies Ltd
Determination of color characteristics of objects using spatially modulated light
A system is configured to determine a color distribution of an object moving along a flow direction relative to a spatial filter. The light emanating from the object is time modulated according to the mask features of the spatial filter.
Palo Alto Research Center Incorporated
Led assembly and led bulb using the same
An led assembly, comprising: a light-transmissive substrate comprising a surface, a central region and a peripheral region surrounding the central region; a heat dissipation element, wherein a portion of the heat dissipation element is corresponding to the central region of the light-transmissive substrate; a first wavelength conversion layer arranged on the surface of the light-transmissive substrate and corresponding to the peripheral region of the light-transmissive substrate; a plurality of led elements arranged on the first wavelength conversion layer; a second wavelength conversion layer arranged on the surface of the light-transmissive substrate and covering the plurality of led elements and the first wavelength conversion layer; a plurality of conductive structures surrounding the plurality of led elements and electrically connected thereto, wherein the plurality of conductive structures is formed on the surface and separated from each other; and a plurality of electrical contacts electrically connected to the plurality of conductive structures respectively.. .
Interlight Optotech Corporation
Dual wavelength laser lithotripsy
A laser lithotripsy method for fragmenting a kidney or bladder stone in a patient is provided. The method includes delivering a first laser energy having a first wavelength to the stone.
Ams Research Corporation
Apparatus and providing diffuse spectroscopy co-registered with optical frequencey domain imaging
An apparatus can be provided according to certain exemplary embodiments. For example, the apparatus can include a waveguiding first arrangement providing at least one electromagnetic radiation.
The General Hospital Corporation
Fundus photography device
A fundus photography device includes: a fundus illumination optical system that illuminates a fundus of an eye by illumination light; a fundus photography optical system; an oct optical system; an anterior chamber observation optical system for observing an anterior chamber observation image of the eye illuminated by the anterior chamber illumination light source; a first wavelength separation member that sets a first optical axis commonly shared by the fundus illumination optical system and the fundus photography optical system to be coaxial with a second optical axis commonly shared by the oct optical system and an anterior chamber observation optical system; and a second wavelength separation member that forms the second optical axis by setting an optical axis of the oct optical system to be coaxial with an optical axis of the anterior chamber observation optical system.. .
Nidek Co., Ltd.
A projection device includes a light source, a galvano-mirror, a polarizing selector, an optical module, a light modulator, a lens, and a prism group. The light source is configured to provide a light beam.
Delta Electronics, Inc.
Isolation of rf signals using optical single side band modulation combined with optical filtering
A method and apparatus for isolating an rf signal are provided. A first rf signal is received and passed to an input of a 90 degree hybrid.
Government Of The United States, As Represented By The Secretary Of The Air Force
Fiber optic rotary joints, methods practiced thereby, and fiber optic devices
This invention provides a fiber optic rotary joint (20) for enabling the transmission of digital optical signals across the interface between facing surfaces (26, 29) of a rotor and a stator (21, 22), comprising: a plurality of light sources (42a, 42b, 42c, . .
Connector system, communication device, and communication system
Provided is a connector system including a first waveguide having a first opening terminal and a second waveguide having a second opening terminal. The first and second waveguides transmit a high-frequency signal when the first opening terminal is in contact with or in the vicinity of the second opening terminal.
Ceramic conversion element, optoelectronic semiconductor element, and producing a ceramic conversion element
A ceramic conversion element includes a first ceramic layer having a first luminescent material, which transforms electromagnetic radiation of a first wavelength range into electromagnetic radiation of a second wavelength range. A second ceramic layer includes a second luminescent material, which transforms electromagnetic radiation of the first wavelength range into electromagnetic radiation of a third wavelength range.
Osram Opto Semiconductors Gmbh
Optically active coating for improving the yield of photosolar conversion
The invention relates to optically active coatings for improving the yield of photosolar conversion, consisting of a transparent matrix containing a plurality of optically active constituents absorbing the light energy in a first absorption wavelength lambdaa1 and reemitting the energy in a second wavelength lambdar1 different from lambdaa1, said optically active constituents being selected such that the reemission wavelength lamdar1 of at least one type of constituent corresponds to the absorption wavelength lambdaa2 of at least one second type of constituent, characterised in that the c2/c1 ratio of concentration c1 of the optically active constituents of a first type in relation to the concentration c2 of the optically active constituents of said second type is between 0.13 and 0.26; ci designating the concentration in moles per litre of the constituent i in relation to the doped matrix.. .
Ultra-high resolution scanning fiber display
One embodiment is directed to a compact system for scanning electromagnetic imaging radiation, comprising a first waveguide and a second waveguide, each of which is operatively coupled to at least one electromagnetic radiation source and configured such that output from the first and second waveguides is luminance modulated and scanned along one or more axes to form at least a portion of an image.. .
Magic Leap, Inc.
Systems and methods for distributed pressure sensing
A pressure sensing cable in one embodiment includes a polarization maintaining (pm) optic fiber having a length; and a fiber bragg grating (fbg) pair formed in the pm optic fiber. The fbg pair includes a first fbg formed at a location along the length of the optic fiber.
General Electric Company
Trailing edge modifications for wind turbine airfoil
A wind turbine blade airfoil trailing edge (te) with a first waveform profile (44b, 44c, 44e) as seen from behind, formed by ruffles or alternating ridges (21) and valleys (22) formed on the airfoil (20) and ending at the trailing edge. The trailing edge may further include a second waveform profile (48b, 48c, 48e) as seen from above, resulting from serrations formed by an oblique termination plane (32b) of the trailing edge or by other geometry.
Packet dissemination in a wireless network performing distributed beamforming
Embodiments for providing for dissemination of packets in a network performing distributed beamforming are generally described herein. In some embodiments, distributing packets from nodes in a squad local area network using a first waveform to beamforming nodes, providing scheduling to a long link interface for delivering a stream of packets free of scheduling conflict and distributing a copy of the packets from a long link interface based on the provided scheduling and using a second waveform, the first waveform being different from the second waveform..
Millimeter waveband filter
In a millimeter waveband filter, electric wave half mirrors are provided in transmission lines of a first waveguide configured to allow electromagnetic waves in a predetermined frequency range of a millimeter waveband to propagate in a te10 mode and a second waveguide connected to the first waveguide in a state where one end of the second waveguide is inserted into the first waveguide, and the waveguides are relatively moved to vary the interval between the electric wave half mirrors, thereby changing a resonance frequency. The first waveguide is a square waveguide, and the second waveguide is a ridge waveguide in which the outside thereof is a rectangular shape at a predetermined interval with respect to the inside of the first waveguide and a sectional shape of a transmission line has a central portion having a height smaller than both side portions..
Light emitting device
A light emitting device includes a light emitting body having a first surface, a second surface opposed to the first surface, and a side surface connecting the first surface and the second surface. A first wavelength converter is on the side surface and includes a first material that is excited by a primary light emitted from the light emitting body and emits a secondary light at second wavelength different from a first wavelength of the primary light.
Kabushiki Kaisha Toshiba
High frequency module and manufacturing method thereof
A high frequency module includes: a semiconductor chip provided over a first surface side of a resin layer; a first waveguide provided over the first surface side of the resin layer and sealed together with the semiconductor chip by a resin; a wire provided over a second surface side of the resin layer and electrically coupled to the semiconductor chip and extending to a position of the first waveguide; a second waveguide bonded to the first waveguide; and a metal plate provided over the first surface side of the resin layer at a position opposite to the first waveguide and electrically coupled to the wire, wherein a part of the wire extending to the position of the first waveguide serves as an antenna coupler.. .
A polarization rotator for a recording head. The polarization rotator comprises a first waveguide coupled to an input coupler at a first end and a second waveguide.
Seagate Technology Llc
Optical transmission device
A substrate is a substrate on which a first optical modulator and a second optical modulator are arranged in parallel along a width direction. A first prism moves, to a side opposite to the second optical modulator along the width direction of the substrate, an optical path of the first output light and the second output light that are obtained by light of the first wavelength being modulated by the first optical modulator.
Fujitsu Optical Components Limited
Multi-stage optical waveguide for a luminaire
According to one aspect, an optical waveguide includes a first waveguide portion and a second waveguide portion adjacent to and separate from the first waveguide portion. The waveguide portions include light coupling portions that are at least partially aligned and adapted to receive light developed by a light source.
Multi-measurement flow cell assembly for liquid chromatography
A detector for detecting constituents of a liquid for use in liquid chromatography is disclosed. The detector includes a first optical flow cell body and a second optical flow cell body, each having a channel therethrough that allows passage of a liquid from an inlet port to an outlet port.
Apparatus and methods for detecting defects in vertical memory
Disclosed are methods and apparatus for inspecting a vertical memory stack. On an inspection tool, incident light having a first wavelength range is used to detect defects on a surface of the vertical memory stack.
Multi-wavelength flame scanning
Methods and systems are described herein. One method includes scanning, using a sensor, a first wavelength range of refracted light emitted from a flame, revising a position of a prism and/or the sensor based on the scan of the first wavelength range, and scanning, using the sensor after revising the position of the prism and/or the sensor, a second wavelength range of refracted light emitted from the flame..
Honeywell International Inc.
Imager device for fusing an image from multiple sources
Provided herein is an imager device for fusing an image from multiple sources. The device includes a focal plane array detector for obtaining an image of a scene at a first wavelength; a display projector for projecting a projected image of the scene obtained by the focal plane array detector at a second wavelength; and a splitter/combiner element positioned to direct a line of sight of the focal plane array detector in a first direction and to direct the projected image in a second direction.
Manufacturing Techniques, Inc.
Quantum entanglement communications system
Apparatus for transmitting and receiving information using one or more quantum-entangled particles. The apparatus may include a first substrate including a first row of quantum dots and a second substrate including a second row of quantum dots.
Semiconductor laser with improved current conduction
A semiconductor laser includes a layer structure with superimposed layers with at least the following layer structure: an n-doped outer layer, a third wave-guiding layer, an active zone in which light-generating structures are arranged, a second wave-guiding layer, a blocking layer, a first wave-guiding layer, a p-doped outer layer. The first, second and third wave-guiding layers have at least alxinyga (1−x−y) n.
Osram Opt Semiconductors Gmbh
Comprehensive light-emitting diode device and lighting-module
A comprehensive light-emitting diode device including a translucent substrate, a light-emitting diode chip, a reflective layer, a first wavelength conversion layer, and a second wavelength conversion layer. The translucent substrate includes a first surface and a second surface opposite to the first surface.
Lextar Electronics Corporation
Converter material, producing a converter material, and optoelectronic component
A converter material includes a porous inorganic matrix material having a multiplicity of pores. A multiplicity of inorganic nanoparticles are applied on the surface of the matrix material.
Osram Opto Semiconductors Gmbh
Exposure apparatus, exposure method and manufacturing semiconductor device
According to one embodiment, a resist film formed on a processing layer is exposed by irradiating exposure light with a first wavelength belonging to an euv band and auxiliary light with a second wavelength different from the first wavelength, the auxiliary light being separately generated from the exposure light.. .
Kabushiki Kaisha Toshiba
Narrow band imaging with surgical loupes
Apparatus, including a housing that is configured to be mounted in proximity to a human eye. The apparatus further includes optics that is retained by the housing and that is configured to focus optical radiation from a scene to an image viewable by the human eye.
Gyrus Acmi, Inc. (d.b.a. Olympus Surgical Technologies America
Display substrate and manufacturing the same, and display device
The present invention relates to a display substrate and a method for manufacturing the same, and a display device, wherein the substrate comprises a sealed space formed therein, a quantum dot-polymer composite system is sealed in the sealed space, and the quantum dot-polymer composite system is configured to emit light with a second wavelength and light with a third wavelength when excited by light with a first wavelength.. .
Beijing Boe Optoelectronics Technology Co., Ltd.
Inspection of substrates using calibration and imaging
An inspection system is disclosed. An optical assembly establishes an optical path between a light source and a detector.
Rudolph Technologies, Inc.
The present invention relates to a lighting device comprising a housing (104), multiple light sources (102) arranged in the housing, a wavelength converting member (108) arranged at a distance from the light sources, and a switchable optical member (111), arranged between the light sources and the wavelength converting member. The wavelength converting member has at least a first wavelength converting material, which converts light of a first wavelength range emitted by the light sources to light of a second wavelength range.
Koninklijke Philips N.v.
Light source unit having wavelength conversion member and projector
There is provided a light source unit which includes an excitation light source configured to emit light in a first wavelength range, a wavelength conversion member on which the light in the first wavelength range is incident from an incident side thereof and which is made up of a member formed to include a luminescent material mixed therein which emits light in a second wavelength range having its wavelength peak on a longer wavelength side than a wavelength peak of the light in the first wavelength range, and a first optical filter which is provided at an output side of the wavelength conversion member which lies opposite to the incident side and which transmits a light component of the light in the second wavelength range which has a wavelength shorter than a third wavelength lying in a wavelength range of the light in the second wavelength range.. .
Casio Computer Co., Ltd.
Non-invasive energy upconversion methods and systems
Products, compositions, systems, and methods for modifying a target structure. The methods may be performed in a non-invasive manner by placing a nanoparticle having a metallic shell on at least a fraction of a surface in a vicinity of a target structure in a subject and applying an initiation energy thus producing an effect on or change to the target structure directly or via a modulation agent.
Passive optical network distribution systems and components thereof
Systems and methods for delivering multiple passive optical network services are disclosed. One system includes a first optical transmission service comprising a common wavelength pair routed from a source to each of a plurality of subscribers and a second optical transmission service comprising a plurality of unique wavelength pairs, each of the unique wavelength pairs assigned to a subscriber among the plurality of subscribers.
Adc Telecommunications, Inc.
Spot-size converter for optical mode conversion and coupling between two waveguides
A spot-size converter for coupling light between first and second waveguides respectively supporting first and second propagation modes having substantially different dimensions is provided. The spot-size converter includes a lower and an upper waveguiding structure each characterized by an effective refractive index.
Adhesive bonding composition and use
A polymerizable composition includes at least one monomer, a photoinitiator capable of initiating polymerization of the monomer when exposed to light, and a phosphor capable of producing light when exposed to radiation (typically x-rays). The material is particularly suitable for bonding components at ambient temperature in situations where the bond joint is not accessible to an external light source.
Optical communication terminal
An optical communication terminal is configured to operate in two different complementary modes of full duplex communication. In one mode, the terminal transmits light having a first wavelength and receives light having a second wavelength along a common free space optical path.
Tunable semiconductor device and making tunable semiconductor device
Method and apparatus for a tunable laser device. In one aspect, a tunable laser device comprises a first doped cladding layer on a semiconductor substrate, a first waveguide layer of essentially undoped piezoelectric material on a top surface of the first doped cladding layer, an active layer on the top surface of the first waveguide layer, a second waveguide layer of essentially undoped piezoelectric material on the top surface of the active layer, a longitudinal structure parallel to a longitudinal axis of the semiconductor device on a top surface of the second waveguide layer comprising a doped semiconductor material, and a longitudinal interdigitated transducer (idt) formed on the top surface of the second waveguide layer or on the bottom surface of the first waveguide layer, the idt extending longitudinally in a direction parallel to the longitudinal axis and being arranged to, in response to a signal from a signal generator, generate a surface acoustic wave (saw) in a direction parallel to the longitudinal axis..
Laser light source device and inspection device
A laser light source device having a simple configuration and an inspection device are provided. A laser light source device 200 according to an exemplary embodiment in accordance with the present invention has a repetition frequency of 1 mhz or higher, and includes fundamental wave generation means 201 for oscillating laser light including a fundamental wave with its center wavelength being included in one of first to fourth wavelength bands, and means 205 for generating a sixth harmonic of pulsed laser light extracted from the fundamental wave generation means 201.
Method and comparing portions of a waveform
A method, apparatus and computer program product are therefore provided in order to provide for display of waveforms. An example method may include displaying a first waveform, receiving an input selecting a portion of the first waveform, and generating, using a processor, an interface control displaying the selected portion of the first waveform.
Mckesson Financial Holdings
Compact solid-state camera flash
A camera flash comprises a solid-state light source (laser chip) operable to emit excitation light having an emission peak wavelength in a first wavelength range and a photoluminescence wavelength conversion component located remote to the light source. The photoluminescence wavelength conversion component comprises at least one photoluminescence material (phosphor) that is excitable by the excitation light and in response emits light having an emission peak wavelength in a second wavelength range.
Directional coupler, and multiplexer and demultiplexer
The directional coupler includes: lattice points periodically arranged in the 2d-pc slab and configured to diffract optical waves, thz waves, or millimeter waves in pbg frequencies in pbg structure of the 2d-pc slab in order to prohibit existence in a plane of the 2d-pc slab; a first 2d-pc waveguide formed of a line defect; a second 2d-pc waveguide which can be mode-coupled to the first waveguide; a directional coupling unit disposed between the first waveguide and the second waveguide in two rows, and having lattice points between waveguides of which the radius is smaller than that of the lattice points, wherein in order to match the first waveguide with an operational band at a side of an input port from the directional coupling unit, the width of the second waveguide is narrowed so that the whole dispersion curve of the directional coupling unit is moved to a higher-frequency side.. .
Method and gas analysis unit for determining a chance to enable a zeroing of gas analysis
A method for determining a chance to enable a zeroing of gas analysis is disclosed herein. The method includes emitting radiation, and receiving emitted radiation, the received radiation comprising a first wavelength range absorbed by the at least one desired gas component and one or more disturbing factor, and a second wavelength range absorbed by the disturbing factor, the first wavelength range differing from the second wavelength range.
General Electric Company