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Second Wave patents



      
           
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


Luminaires utilizing edge coupling

Cree

Luminaires utilizing edge coupling

Led-based illumination module with preferentially illuminated color converting surfaces

Xicato

Led-based illumination module with preferentially illuminated color converting surfaces

Led-based illumination module with preferentially illuminated color converting surfaces

Samsung Electronics

Backlight unit and liquid crystal display apparatus having the same

Date/App# patent app List of recent Second Wave-related patents
02/26/15
20150056645
 Methods and apparatuses for label-free particle analysis patent thumbnailMethods and apparatuses for label-free particle analysis
An apparatus to provide a label-free or native particle analysis comprises a light generating system producing first light pulses at a first wavelength and second light pulses at a second wavelength; and a flow cell coupled to the light generating system to convey particles for analysis. The light generating system is configured to chirp at least one of the first light pulses and the second light pulses to analyze the particles..
Kinetic River Corp.
02/26/15
20150055369
 Luminaires utilizing edge coupling patent thumbnailLuminaires utilizing edge coupling
A luminaire includes at least first and second waveguides. The first waveguide has a first coupling surface extending between a first surface and a second surface opposite the first surface, and the second waveguide has a second coupling surface extending between a third surface and a fourth surface opposite the third surface.
Cree, Inc.
02/26/15
20150055320
 Led-based illumination module with preferentially illuminated color converting surfaces patent thumbnailLed-based illumination module with preferentially illuminated color converting surfaces
An illumination module includes a color conversion cavity with a first interior surface having a first wavelength converting material and a second interior surface having a second wavelength converting material. A first led is configured to receive a first current and to emit light that preferentially illuminates the first interior surface.
Xicato, Inc.
02/26/15
20150055058
 Backlight unit and liquid crystal display apparatus having the same patent thumbnailBacklight unit and liquid crystal display apparatus having the same
A backlight unit (blu) and a liquid crystal display apparatus having the blu are provided. The blu includes a plurality of light-emitting diodes (leds) configured to emit blue light, a fluorescent member configured to convert the blue light emitted from the plurality of leds into tricolor light and emit the tricolor light, and a filter disposed between the fluorescent member and the plurality of leds, and configured to selectively filter a first wavelength area of the tricolor light emitted from the fluorescent member toward the plurality of leds, and reflect a second wavelength area of the tricolor light emitted from the fluorescent member toward an output direction..
Samsung Electronics Co., Ltd.
02/26/15
20150054595
 Three dimensional branchline coupler using through silicon vias and design structures patent thumbnailThree dimensional branchline coupler using through silicon vias and design structures
A three dimensional (3d) branchline coupler using through silicon vias (tsv), methods of manufacturing the same and design structures are disclosed. The method includes forming a first waveguide structure in a first dielectric material.
International Business Machines Corporation
02/19/15
20150049778
 System and  separation of pump light and collected light in a laser pumped light source patent thumbnailSystem and separation of pump light and collected light in a laser pumped light source
A system for separating plasma pumping light and collected broadband light includes a pump source configured to generate pumping illumination including at least a first wavelength, a gas containment element for containing a volume of gas, a collector configured to focus the pumping illumination from the pumping source into the volume of gas to generate a plasma within the volume of gas, wherein the plasma emits broadband radiation including at least a second wavelength and an illumination separation prism element positioned between a reflective surface of the collector and the pump source and arranged to spatially separate the pumping illumination including the first wavelength and the emitted broadband radiation including at least a second wavelength emitted from the plasma.. .
Kla-tencor Corporation
02/19/15
20150049459
 White light emitting module patent thumbnailWhite light emitting module
A light emitting module (10), adapted to produce white output light having an emission peak in the wavelength range from 400 to 440 nm, comprises:•—at least one first light emitting element (110) adapted to emit light having an emission peak in a first wavelength range from 440 to 460 nm;•—at least one wavelength converting material (85) arranged to receive light emitted by said first light emitting element, and being capable of emitting light having an emission peak in the green to red wavelength range; and•—at least one second light emitting element (120) adapted to emit light having an emission peak in a second wavelength range from 400 to 440 nm. The module according to the invention provides white light of acceptable color rendering with a “crisp white” effect..
Koninklijke Philips N.v.
02/19/15
20150049458
 Color adjustable light emitting arrangement patent thumbnailColor adjustable light emitting arrangement
A color-adjustable light emitting arrangement (100) is provided, comprising •—a solid-state light source (101) adapted to emit light of a first wavelength range (l1); •—a wavelength converting member (102) arranged to receive light of said first wavelength range emitted by the light source and capable of converting light of the first wavelength range into visible light of a second wavelength range (l2); •—a narrow band reflector (103, 104) arranged in a light output direction from the wavelength converting member to receive light of said second wavelength range, said narrow band reflector being reversibly switchable between a first state in which the narrow band reflector reflects a first sub-range of said second wavelength range, and a second state in which the narrow band reflector has a different optical property. The spectral output of the light emitting arrangement is adjustable and may provide a desirable light spectrum for enhancement of different colors..
Koninklijke Philips N.v.
02/19/15
20150049335
 Sensor arrangement for measuring the concentration of a substance patent thumbnailSensor arrangement for measuring the concentration of a substance
A sensor arrangement for determining a concentration of a substance in an open sample in the presence of an interfering material is disclosed. The sensor arrangement comprises a first light source emitting pulsed light at a first wavelength being absorbed by said substance, a second light source emitting pulsed light at a second wavelength being transmitted through said substance, optical means for directing at least a part of the emitted pulsed light of said first and second wavelengths through the open sample along the same optical path, and a sample detector arranged at an end of the optical path for receiving the emitted light of said first and second wavelengths being transmitted through the sample.
Tetra Laval Holdings & Finance S.a.
02/19/15
20150049334
 Optical image capturing module, aligning method, and observing method patent thumbnailOptical image capturing module, aligning method, and observing method
A method of aligning an upper substrate and a lower substrate is provided. The upper and lower substrates are oppositely arranged, and the aligning method includes the following steps: providing an optical image capturing module; emitting light rays to a third surface of a first prism; filtering the light rays, so that the light rays are divided into light rays at the first wavelength range and light rays at the second wavelength range, wherein the light rays at the first wavelength range irradiate a pattern on the upper substrate, and light rays at the second wavelength range irradiate a pattern on the lower substrate; reflecting a pattern image on the upper substrate to an image capturing apparatus; reflecting a pattern image on the lower substrate to the image capturing apparatus; and determining locations of the patterns of the upper and lower substrate that are on the image capturing apparatus..
Metal Industries Research&development Centre
02/19/15
20150049267

Optical device


In a method of operating a liquid crystal device having a liquid crystal composition with smectic-a properties, a first waveform is applied to optically clear the device so that it is substantially transparent to visible light and a second waveform is applied to disorder the material of the liquid crystal composition to afford a strongly light-scattering state. The first waveform has a higher frequency than the second, waveform, and the method comprises applying a modified waveform to partially clear at least a portion of the device from the light-scattering state.
Dow Corning Corporation
02/19/15
20150048337

Organic light-emitting component


An organic light-emitting component includes a first light-emitting layer sequence, which is designed to emit light in a first wavelength range during the operation of the component. A second light-emitting layer sequence which is designed to emit light in a second wavelength range during the operation of the component.
Osram Opto Semiconductors Gmbh
02/19/15
20150048250

Oil detection process, apparatus and taggant therefor


A process for detecting oil or lubricant contamination in a manufactured product (c), preferably a cigarette (c), the process comprising adding a fluorescent taggant to oils or lubricants contained in processing machinery for said product (c), conveying (131) said product (c) past an infrared detection apparatus (140), irradiating said product (c) with infrared radiation from said detection apparatus (140) as it passes the detection apparatus (140), and detecting infrared radiation emitted from said irradiated product (c). 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.
02/12/15
20150046114

Sensitivity and the dynamic range of photometric assays by generating multiple calibration curves


A method for determining the amount of a specific analyte by photometric assays, wherein the specific analyte in a sample reacts with an analyte specific reaction partner in a reaction mixture. At least two calibration curves are generated, the first calibration curve recorded at a first wavelength is optimized for low concentrations of the specific analyte thereby maximizing the lower detection limit and, the second calibration curve recorded at a second wavelength is optimized for high concentrations of the specific analyte thereby maximizing the upper detection limit.
Roche Diagnostics Operations, Inc.
02/12/15
20150043865

Mach-zehnder modulator arrangement and operating a mach-zehnder modulator arrangement


A mach-zehnder modulator arrangement includes at least one electro-optic mach-zehnder modulator having a first optical waveguide forming a first modulator arm and a second optical waveguide forming a second modulator arm. A travelling wave electrode arrangement includes first waveguide electrodes for applying a voltage across the first optical waveguide and second waveguide electrodes for applying a voltage across the second optical waveguide.
Fraunhofer-gesellschaft Zur FÖrderung Der Angewandten Forschung E.v.
02/12/15
20150043242

Illuminating device and projector


An illuminating device may include a light source, an optical unit configured to adjust direction of light from the light source, a reflector, a light pipe, and an exciter. The light pipe may receive light having a first wavelength from the optical unit and direct the light having the first wavelength onto the exciter.
Osram Gmbh
02/12/15
20150041940

Image sensor and electronic device including the same


An image sensor includes a semiconductor substrate integrated with at least one first photo-sensing device sensing light in a first wavelength region and at least one second photo-sensing device sensing light in a second wavelength region shorter than the first wavelength region, a photoelectric device including a pair of electrodes facing each other and a light absorption layer between the electrodes, the photoelectric device selectively absorbing light in a third wavelength region between the first wavelength region and the second wavelength region, and a nanostructural body between the semiconductor substrate and the photoelectric device, the nanostructural body including at least two parts having different optical paths.. .
Samsung Electronics Co., Ltd.
02/05/15
20150036705

Method for controlling wavelength-tunable laser


The method for controlling a wavelength-tunable laser comprises a first step of acquiring a driving condition of the wavelength-tunable laser for laser oscillation at a first wavelength, and a second step of calculating according to the driving condition of the first wavelength and a wavelength difference between the first wavelength and a second wavelength different from the first wavelength a control value or target value of a wavelength characteristic of the second wavelength in the wavelength detection unit, so as to calculate a driving condition for driving the wavelength-tunable laser, the second step including a step of selecting according to the wavelength difference one of etalon slopes having respective gradients identical and opposite to a gradient of an etalon slope used for controlling the first wavelength.. .
Sumitomo Electric Device Innovations, Inc.
02/05/15
20150036650

Channel estimation overcoming channel discontinuity between subbands of an orthogonal frequency division multiplexing (ofdm) system


A method of processing signals. The method includes receiving a communication signal in a time domain, converting the communication signal to a frequency domain, providing resource blocks based on the communication signal in the frequency domain, the resource blocks including a first resource block and a second resource block, selecting pilot signals from the first resource block and pilot signals from the second resource block, determining a first set of phase and amplitude differences among the pilot signals, determining a second set of phase and amplitude differences among the pilot signals, determining a third set of phase and amplitude differences between the pilot signals and the pilot signals, generating a first waveform using at least the first and third set of phase and amplitude differences, applying a smoothing filter against the first waveform to generate a second waveform, and converting the third waveform from the frequency domain to the time domain..
Spreadtrum Communications (shanghai) Co., Ltd.
02/05/15
20150036461

3-d harmonic-source reverse time migration seismic data analysis


Computing device and method for processing seismic traces to produce an image of a subsurface area. The method includes receiving a series of seismic traces related to the subsurface area and recorded by one or more seismic receivers, wherein the one or more seismic sources are originally generated by a source; applying a phase encoding function to the series of seismic traces, at least a portion of said seismic traces comprise signals reflected by geological interfaces of the subsurface area; applying a 3 dimensional (3d) harmonic-source reverse time migration of the series of seismic traces encoded with the phase encoding function; computing a forward wavefield by solving a first wave equation; computing a backward wavefield by solving a second wave equation; and cross-correlating the forward wavefield with the backward wavefield to generate an image of the subsurface..
Cgg Services Sa
02/05/15
20150036366

Exterior aircraft light unit and operating an exterior aircraft light unit


An exterior aircraft light unit for emitting light of a first wavelength and light of a second wavelength, different from the first wavelength, with corresponding emission characteristics is disclosed. The exterior aircraft light unit has at least one first light source configured to emit the light of the first wavelength, at least one second light source configured to emit the light of the second wavelength, and a wavelength selective optical element, which wavelength selective optical element is reflective for the light of the first wavelength and transparent for the light of the second wavelength..
Goodrich Lighting Systems Gmbh
02/05/15
20150036332

Display illuminating module


A display illuminating module includes a light source, a rotating wheel, an actuator, a wavelength conversion wheel, and an optical module. The light source is configured for providing a first light beam with a first wavelength.
Delta Electronics, Inc.
02/05/15
20150033465

Method and dampening waves in a wave pool using padded grate drainage system


A wave pool for producing waves having a first wave forming portion with an inclined section and a second wave dampening portion having a raised floor above a bottom chamber floor wherein the raised floor preferably has multiple openings thereon and a predetermined porosity (γ) within the range of 0<γ≦0.5, such that as the waves travel across the wave dampening chamber, a boundary layer of energy absorbing vortices and eddies are generated above and below the raised floor resulting from water flowing up and down through the perforations, which helps to dampen the waves, and wherein the raised floor preferably comprises a padded grate drainage system consisting of multiple elongated members formed by rigid bars with foam adhered on one side thereof, which are encapsulated by a water impervious layer.. .
01/29/15
20150032070

Systems and methods for enhancing the visibility of medical items


Systems and methods make medical items more visible during a medical procedure. An example medical item includes an absorbent material adapted to absorb fluid during a medical procedure, the absorbent material having an outer surface that reflects one or more first wavelengths of light to provide the absorbent material with one or more first colors.
01/29/15
20150030339

Optical transceiver with isolated modulator contacts and/or inputs


A multi-channel optical transmitter generally includes a first light source configured to emit light of a first wavelength, a second light source configured to emit light of a second wavelength, a first modulator configured to modulate the light of the first wavelength, and a second modulator configured to modulate the light of the second wavelength. The first modulator has a first anode and a first cathode, and the second modulator has a second anode and a second cathode electrically isolated from the first anode and the first cathode.
01/29/15
20150029492

Measurement of total hemoglobin in whole blood


A method for determining total hemoglobin concentration in a blood sample comprising spectrophotometric analysis of a blood sample at two wavelengths and determining a ratio of the detected radiation at a first wavelength to the detected radiation at a second wavelength; and determining a concentration of total hemoglobin in the blood sample based on the ratio.. .
Mec Dynamics Corporation
01/29/15
20150029467

Light source unit and projector


A small light source unit is provided which emits lights of the primary colors which are highly bright and which have a high color reproducibility and excitation light, and the light source unit includes a light source module and a light source control module and the light source module has a first light source which emits light having a first wavelength which is used as excitation light which excites a luminescent material, and a second light source which emits light having a second wavelength which is different from the first wavelength but which falls within a range of wavelengths of light of a similar color to that of the light of the first light source, and the light source control module controls individually the illumination of the first light source and the second light source.. .
Casio Computer Co., Ltd.
01/29/15
20150029315

Ultra high-resolution volumetric three-dimensional display


An ultra high-resolution volumetric three-dimensional (3d) display system comprises an image chamber, and an addressing system to direct a beam of electromagnetic energy at a first wavelength to slice through the image chamber. The beam of electromagnetic energy slices the image chamber along a first axis to provide an image slice.
3dlcon Corporation
01/29/15
20150028374

Light-emitting element and the manufacturing the same


The present application discloses a light-emitting element comprising a semiconductor light-emitting stack emitting a first light which has a first color coordinate, a first wavelength conversion material on the semiconductor light-emitting stack converting the first light to emit a second light, and a second wavelength conversion material on the first wavelength conversion material converting the second light to emit a third light. The first light and the second light are mixed to be a fourth light having a second color coordinate.
Epistar Corporation
01/22/15
20150025602

Treatment apparatus and use thereof for treating psoriasis


A treatment apparatus (10) is used for treatment of parts of a skin (5). The apparatus comprises a radiation source (1) emitting radiation, and a radiator (2) for guiding the emitted radiation to the parts of the skin (5).
Koninklijke Philips N.v.
01/22/15
20150023540

Optical electro-mechanical hearing devices with combined power and signal architectures


An audio signal transmission device includes a first light source and a second light source configured to emit a first wavelength of light and a second wavelength of light, respectively. The first detector and the second detector are configured to receive the first wavelength of light and the second wavelength of light, respectively.
Earlens Corporation
01/22/15
20150023315

Lte channel access over unlicensed bands


Methods, systems, and devices are described for wireless communications. In one method, a clear channel assessment (cca) may be performed at a base station to determine availability of an unlicensed spectrum.
Qualcomm Incorporated
01/22/15
20150022803

Fiber signal loss event identification


A system includes a wavelength tunable laser to provide a first optical pulse of a first wavelength and a second optical pulse of a second wavelength to an optical fiber, a reflection detector to determine a first fiber attenuation curve from the first reflected pulse and a second fiber attenuation curve from the second reflected pulse, and a discontinuous loss event analyzer to identify a discontinuous loss event at a discontinuous loss point in at least one of the first fiber attenuation curve and the second first fiber attenuation curve, determine a return loss slope based on a return loss at the discontinuous loss point for the first fiber attenuation curve and a return loss at the discontinuous loss point for the second first fiber attenuation curve, and determine whether the discontinuous loss event is a bad fiber bending event based on the return loss slope.. .
Verizon Patent And Licensing Inc.
01/22/15
20150022647

Endoscope apparatus


An endoscope apparatus includes an illuminating section capable of irradiating a subject with a light in a first wavelength band and light in a second wavelength band, an image processing section including a color filter configured by a plurality of filters, the image processing section generating, from two image pickup signals respectively generated in a first pixel and a second pixel that respectively receive light in a predetermined wavelength band and light in a wavelength band different from the predetermined wavelength band among return lights from the subject, first and second image signals, a control section that determines whether the two image pickup signals can be separated into the first and second image signals, and an illumination control section that performs irradiation in a time division manner or simultaneous irradiation according to a determination result whether the separation is possible or not.. .
Olympus Medical Systems Corp.
01/22/15
20150022545

Method and generating color image and depth image of object by using single filter


An apparatus for generating an image representing an object is provided. The apparatus may include a filtering unit configured to acquire first light of a first wavelength band and second light of a second wavelength band, which are included in light reflected from the object, by using a single filter; a sensing unit configured to convert both the first light and the second light into charges or convert only the second light into charges; a first image generating unit configured to generate a first image representing the object by correcting color values corresponding to the charges into which the first light and the second light have been converted; and a second image generating unit configured to generate a second image representing the object by using the charges into which the second light has been converted..
Samsung Electronics Co., Ltd.
01/22/15
20150020804

Analysis and control of aerosol flow


An aerosol generation system has a light source arrangement which provides signals at first and second wavelengths, and the detected light signals are recorded. The detected signals are processed to derive at least a measure of the aerosol particle size.
Koninklijke Philips N.v.
01/15/15
20150019160

Absolute distance laser interferometer


A device for absolute distance measurement includes a first tunable light source for emitting a first wavelength light of a first tunable frequency modulated by a first modulating frequency and a second light source for emitting a second wavelength light of a second frequency modulated by a second modulating frequency. An optical coupler couples the first wavelength light and the second wavelength light into an interferometer cavity.
Attocube Systems Ag
01/15/15
20150017784

Semiconductor processing apparatus using laser


Provided is a semiconductor processing apparatus, including a first laser beam irradiation unit having a first variable beam expanding telescope and a first galvanometer scanner transferring a first laser beam having a first wavelength, a second laser beam irradiation unit having a second variable beam expanding telescope and a second galvanometer scanner transferring a second laser beam having a second wavelength, and a telecentric lens.. .
Samsung Electronics Co., Ltd.
01/15/15
20150016745

Method for determining noise level


The present invention relates to 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 the 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..
Qualcomm Technologies, Inc.
01/15/15
20150015743

Method and image content detection and image content replacement system


A subject (10), such as a billboard, has a filtering film (15) to absorb electromagnetic radiation specifically in a first wavelength band. A detector (60) provides a first detector signal (61a) relating to the first wavelength band and a second detector signal (61b) relating to another, different, second wavelength band, respectively.
Supponor Oy
01/15/15
20150014537

Systems and methods for detecting multiple infrared bands


A dual-band infrared detector is provided. The dual-band infrared detector includes a first absorption layer, a barrier layer coupled to the first absorption layer, and a second absorption layer coupled to the barrier layer.
The Boeing Company
01/08/15
20150012246

Thickness measuring apparatus and thickness measuring method


Provided are a thickness measuring apparatus and a thickness measuring method. The thickness measuring method includes irradiating first laser beam of a first wavelength λ1 to a transparent substrate and measuring intensity of first laser beam transmitting the transparent substrate; irradiating second laser beam of a second wavelength λ2 to the transparent substrate and measuring intensity of second laser beam transmitting the transparent substrate; and extracting a rotation angle on a lissajous graph using the first and second laser beams transmitting the transparent substrate.
Korea Research Institute Of Standards And Science
01/08/15
20150010302

Multiple wavelength optical assemblies for inline measurement of optical power and fiber optic networks


An apparatus for measuring optical power including a first multiplexer/demultiplexer to split/combine an optical signal including a first wavelength and second wavelength; a second multiplexer/demultiplexer to split/combine an optical signal including the first wavelength and the second wavelength; a first tap photodetector coupled to the first and second multiplexer/demultiplexers and to a first measurement device; and a second tap photodetector coupled to the first and second multiplexer/demultiplexers and to a second measurement device.. .
Afl Telecommunications Llc
01/08/15
20150010025

Pulsed fiber laser with double- pass pumping


A pulsed fiber laser oscillator comprising in succession: a pumping source (10) for providing pumping energy at a first wavelength to a multimode optical fiber; a first bragg grating optical filter (11) reflecting a second wavelength and transparent to said first wavelength; an active optical fiber (20) having a predefined wavelength which emits radiation at said second wavelength; a switch (14) arranged to periodically interrupt said second wavelength to provide a pulsed laser beam; and a second bragg grating optical filter (15) partially reflecting said second wavelength; characterized by comprising, following said active optical fiber (20), a reflector (21) of said first wavelength, such that said pumping energy undergoes two passages within said active optical fiber (20); said predefined wavelength being determined such that the absorption of said pumping energy at said first wavelength within said active optical fiber (20) is greater than 80% after undergoing said two passages.. .
Datalogic Automation S.r.l.
01/08/15
20150009602

Electrostatic chuck system and semiconductor fabrication device


An electrostatic chuck system comprising a chuck body 1 having a clamping face 4 for electrostatically clamping a substrate 5, an electrode portion 2 generating a clamping force on the clamping face 4, a temperature-regulating portion 3 regulating the temperature of the substrate 5 to maintain it at a predetermined level, and a controller 10 controlling the voltage applied to the electrode portion 2, wherein, prior to completion of the electrostatic clamping of the substrate 5 to the chuck body 1, a voltage waveform obtained by superimposing a first waveform, which changes in a stepwise, rectilinear, or quadratic manner between a first level and a second level having a larger absolute value than the first level, and a periodic second waveform, which may be any of a rectangular wave, a triangular wave, a saw-tooth wave, or a sine wave, is applied by the controller 10 to the electrode portion 2.. .
Nissin Ion Equipment Co., Ltd.
01/08/15
20150009554

Optical mode conversion using intermodal chrenkov radiation


Embodiments of the present invention generally relate to optical mode conversion using intermodal cherenkov radiation. More specifically, embodiments of the present invention relate to optical mode conversion utilizing intermodal four-wave mixing to convert light between modes for complex applications, whereby one of the four waves is generated from cherenkov radiation.
Cornell University
01/08/15
20150008993

Waveguide coupler


A waveguide coupler comprising: a first coupling portion arranged to couple with a first waveguide and a second coupling portion arranged to couple with a second waveguide so as to connect the first waveguide and the second waveguide together; wherein arranged between the first and second coupling portions is a wave modulation portion arranged to modulate wave signals transferred between the first waveguide and the second waveguide.. .
City University Of Hong Kong
01/01/15
20150005596

Method and device for examining a biological tissue by analysing fluorescence response to illumination and for treating the tissue


Method, and the associated device, for examining a biological tissue, in particular dental tissue or tooth enamel of one or several teeth, the method including the steps of taking into account at least the fluorescence of the tissue detected in a first wavelength range and the fluorescence of the tissue detected in a second wavelength range. The device can be a surgery microscope with one or several filters.
Carl Zeiss Meditec Ag
01/01/15
20150003197

Inversion techniques using streamers at different depths


Techniques are disclosed relating to geophysical surveying and data processing using streamers at different depths. In one embodiment, a method includes obtaining geophysical data specific to a geophysical formation that includes a first set of data representative of a first particle motion signal and a first pressure signal recorded using sensors at a first depth and a second set of data representative of a second particle motion signal and a second pressure signal recorded using sensors at a second, greater depth.
Pgs Geophysical As
01/01/15
20150002824

Light-emitting device and projection apparatus


A light-emitting device includes: a semiconductor light-emitting element which emits light of a first wavelength; and a first wavelength conversion unit which includes a first phosphor and emits light of a second wavelength by being excited by the light of the first wavelength. The first phosphor contains europium as an activator.
Panasonic Corporation
01/01/15
20150002528

Display efficiency optimization by color filtering


Technology is disclosed for optimizing a near-eye display using a waveguide. A first waveband for a first color narrower than the full spectral bandwidth for the first color and a second waveband for a second color adjacent to the first color in the visible spectrum are generated in image light of an image generation unit like a microdisplay.
12/25/14
20140378856

Biological information displaying apparatus and biological information displaying method


A biological information displaying apparatus includes an analyzing unit and a display unit. The analyzing unit analyzes measured continuous biological information waveforms to detect abnormal biological information waveforms.
Nihon Kohden Corporation
12/25/14
20140375962

Scanning laser projector


A scanning projector for projecting an image comprising multiple wavelength signals is disclosed. Embodiments of the present invention include a beam combiner comprising a planar lightwave circuit having a plurality of surface waveguides arranged to define a plurality of input ports, a mixing region, and an output port.
Octrolix Bv
12/25/14
20140375826

Image sensor, manufacturing the same, and image processing device having the image sensor


An image sensor comprising: a first layer having a plurality of groups of photodiodes formed in a semiconductor substrate, each group representing a 2×2 array of photodiodes, with 2 first pixels configured to detect light of a first wavelength and 2 second pixels configured to detect light of a second wavelength, each first pixel positioned adjacent to the second pixels; and a second layer overlapping the first layer, the second layer is organic, having a plurality of organic photodiodes configured to detect light of a third wavelength, each organic photodiode positioned to partially overlap 2 first photodiodes and 2 second photodiodes of the first layer.. .
12/25/14
20140374780

Light emitting device for illuminating plants


A spectrally adapted light emitting device for illuminating plants includes at least one semiconductor light-emitting diode (led), at least one light conversion element for down-converting a portion of light emitted at the first wavelength to at least a second wavelength between 600 nm-680 nm, and at least one scattering device to diffuse light within the light emitting device. The at least one led is configured to emit at least a first wavelength between 400 nm and 480 nm.
Venntis Technologies Llc
12/25/14
20140374403

Electric heater


An electric heater (10) includes at least one heater element (12) which is adapted to emit electromagnetic radiation (30) having a first wavelength. A reflector (16) adjacent the heater element reflects radiation from the element, the reflected radiation (32) also having the first wavelength.
Bromic Healing Pty Ltd.
12/18/14
20140371730

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..
Cynosure, Inc.
12/18/14
20140369700

Tunable laser emission device


A second waveguide (5) made of silicon on silicon dioxide and disposed parallel to the first waveguide spaced from the first waveguide in a vertical direction of the emission device so as to allow the existence of a hybrid optical mode coupled at one and the same time to the second waveguide and to the first waveguide, the second waveguide comprising a distributed reflector (9) along the second waveguide, the second waveguide comprising transverse zones (11, 12, 13, 14) doped differently so as to form a polar junction oriented in a transverse direction of the emission device. Electrodes (15, 16) coupled to the doped transverse zones modify an effective index seen by the hybrid optical mode..
12/18/14
20140369691

Ofdma overlay on legacy passive optical networks using optical nyquist filtering


Methods and systems for combining signals include modulating data onto a first signal at a first frequency and wavelength; modulating data onto a second signal at a second wavelength using a modulation scheme that produces spectral components at the first frequency; filtering the second signal using an optical filter to suppress spectral components that would cause interference to the first signal; and combining the first signal and the second signal onto a transmission medium.. .
Nec Laboratories America, Inc.
12/18/14
20140369637

Electro-optic modulators


The invention relates to a mach-zehnder modulator comprising a first optical waveguide forming a first modulator arm and a second optical waveguide forming a second modulator arm of the mach-zehnder modulator, an electrode arrangement comprising a plurality of first waveguide electrodes for applying a voltage across the first optical waveguide and a plurality of second waveguide electrodes for applying a voltage across the second optical waveguide, at least one electrically conductive connecting element generating a short-circuit between at least one of the first waveguide electrodes and at least one of the second waveguide electrodes. The electrode arrangement is a travelling wave electrode arrangement further comprising a first and a second electrical line extending at least partially parallel to the first and second optical waveguide.
Fraunhofer-gesellschaft Zur FÖrderung Der Angewand Ten Forschung E.v.
12/18/14
20140368924

Optical module and manufacturing the same


An optical module that facilitates positioning includes an optical device and a light transmitting member having a fitting portion into which a counterpart optical member is fitted and having a lens portion that collimates light of a first wavelength emitted from the optical device or that converges parallel light of the first wavelength emitted from the counterpart optical member into converged light to be incident on the optical device. The light transmitting member is formed such that a position of a leading end surface of the fitting portion coincides with a position of an imaging plane in a direction of the optical axis.
Sumitomo Electric Industries, Ltd.
12/18/14
20140368827

Optical tomography apparatus, optical tomography method, and optical coherence tomography apparatus


Provided is an optical tomography apparatus acquiring high-quality tomographic images even if light source characteristic is different between sweeps in first and second directions, when acquiring the image by reciprocating sweep. The optical tomography apparatus includes: a wavelength swept light source device; a splitting-combining unit splitting light from the device into measurement and reference light, and combining return light from an object to be measured by the measurement light and the reference light; and an image processing unit acquiring a tomographic image of the object based on combined light.
Canon Kabushiki Kaisha
12/11/14
20140363161

Optical signal switching device and optical transmission system


An optical signal switching device includes: first through third input ports; first through third output ports; first through third optical splitters: first through third optical couplers; first through third short wavelength pass filters respectively configured to pass the first wavelength band; and first through third long wavelength pass filters respectively configured to pass the second wavelength band. Each of the optical splitters splits a wdm optical signal input through a corresponding input port to be guided to a corresponding short wavelength pass filter and a corresponding long wavelength pass filter.
12/11/14
20140362563

Fixtures for large area directional and isotropic solid state lighting panels


Reflector designs for a large area panel light source create induced draft cooling means adjacent to the panel light source. The panel light source has a wavelength conversion element on a solid state light source for emitting light of a first and second wavelength to form a broader emission spectrum of light from the panel light source..
12/11/14
20140362431

Generating broadband light downhole for wellbore application


Generating broadband light downhole for wellbore application. A laser source is configured to reside outside a wellbore and produce a seed light pulse at a first wavelength spectrum.
12/11/14
20140362227

Apparatus and multispectral imaging with parallax correction


An apparatus and a method for multispectral imaging that may, comprising a cyclopean camera arrangement comprising at least two spaced apart imaging sensors operating at a first waveband, an image combiner arranged to combine images from the at least two spaced apart imaging sensors to provide a first cyclopean image of a scene from a first virtual position, a further imaging sensor operating at a second waveband different from the first and arranged to provide a second image of the scene from a second position, and a second image combiner arranged to combine the first and second images of the scene to provide a multispectral image, wherein the first virtual position of the cyclopean camera arrangement and the second position of the further sensor are arranged to be substantially the same.. .
12/11/14
20140362164

Image capture-display device


An image capture-display device includes: a light source that emits a light beam falling within a first wavelength range; an optical system arranged on the optical path of the light beam falling within the first wavelength range emitted from the light source and configured to reflect the light beam falling within the first wavelength range and transmit a light beam falling within a second wavelength range; a display panel arranged on the optical path of the light beam falling within the first wavelength range emitted from the light source and reflected by a dichroic mirror and configured to transmit the light beams falling within the first and second wavelength ranges; and an imaging device arranged opposite from the display panel with respect to the optical system and configured to receive the light beam falling within the second wavelength range transmitted through the display panel and the optical system.. .
12/11/14
20140361323

Light emitting diode package structure


A led package structure includes a base portion, a light-emitting chip, a cup portion and an encapsulating glue. The base portion has an upper surface and a lower surface.
12/11/14
20140361152

System, polarization control


A polarization control device includes a first wave plate having a first surface profile and a second wave plate having a second surface profile complimentary to the first surface profile. The optical axis of the first wave plate is orthogonal to the optical axis of the second wave plate.
12/04/14
20140355926

Mach-zehnder modulator arrangement and operating a mach-zehnder modulator arrangement


An electro-optic mach-zehnder modulator arrangement includes first and second optical waveguides forming, respectively, first and second arms of the mach-zehnder modulator. An electrode arrangement includes a first waveguide electrode output port coupled to the first waveguide electrodes a second waveguide electrode arranged on top of a capacitive segment of the first and the second optical waveguides, respectively, such that a voltage can be applied across the capacitive segments of the first and second optical waveguide.
12/04/14
20140354956

Light source device and projection-type display apparatus


A light source device includes a first light source that emits light of a first polarization, and a second light source that emits light of a second polarization whose polarization direction is different from the light of the first polarization by 90 degrees. A combined wavelength band of the light of the first polarization and the light of the second polarization is a first wavelength band.
12/04/14
20140354790

Scanning endoscope system


A scanning endoscope system includes a fiber, a first actuator that is provided laterally of the fiber to swing the fiber, a second actuator that is arranged at a position opposite to the first actuator with the fiber intervened in between to swing the fiber, and a driver unit that outputs, to the first actuator, a first drive signal having either a first waveform such that a minimum value of a voltage value, which varies periodically with a positive voltage value as a center, is not less than zero, or a second waveform such that a maximum value of a voltage value, which varies periodically with a negative voltage value as a center, is not more than zero, and configured to output, to the second actuator, a second drive signal having the same waveform as the first drive signal and different phase from the first drive signal.. .
12/04/14
20140354145

Volumetric light emitting device


A volumetric light emitting device includes a substrate, a semiconductor light emitting diode disposed on the substrate and a reflector ring extending axially from the substrate. The reflector ring defines a first volume bounded by the substrate, an inner wall of the reflector ring, and a terminal plane at a distal end of the reflector ring.


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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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