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


Fixtures for large area directional and isotropic solid state lighting panels

Fixtures for large area directional and isotropic solid state lighting panels

Generating broadband light downhole for wellbore application

Generating broadband light downhole for wellbore application

Generating broadband light downhole for wellbore application

Apparatus and method for multispectral imaging with parallax correction

Date/App# patent app List of recent Second Wave-related patents
12/11/14
20140363161
 Optical signal switching device and optical transmission system patent thumbnailOptical 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 patent thumbnailFixtures 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 patent thumbnailGenerating 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 method for multispectral imaging with parallax correction patent thumbnailApparatus and method for 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 patent thumbnailImage 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 patent thumbnailLight 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, method and apparatus for polarization control patent thumbnailSystem, method and apparatus for 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 method for operating a mach-zehnder modulator arrangement patent thumbnailMach-zehnder modulator arrangement and method for 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 patent thumbnailLight 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 patent thumbnailScanning 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.
12/04/14
20140353695
Light emitting device package and lighting apparatus using the same
Disclosed is a light emitting device, and more particularly are a light emitting device package configured to improve the quality of light and a lighting apparatus using the same. The light emitting device package includes a light emitting device located on a package main body, the light emitting device including a first light emitting device configured to emit light having a first wavelength band and a second light emitting device configured to emit light having a second wavelength band, a lens disposed over the light emitting device, and a wavelength conversion layer disposed over the lens, the wavelength conversion layer serving to absorb light having the first wavelength band or the second wavelength band so as to emit light having a third wavelength band..
12/04/14
20140353504
Light source adjustment unit, optical measurement device, subject information obtaining system, and wavelength adjustment program
An optical measurement device includes a light source unit including a first laser light source configured to emit a laser beam having a first wavelength and a second laser light source configured to emit a laser beam having a second wavelength, a measurement wave number setting unit, and a light source adjustment unit configured to adjust at least one of the first wavelength and the second wavelength such that a difference between or a sum of a first wave number corresponding to the first wavelength and a second wave number corresponding to the second wavelength matches a measurement wave number set through the measurement wave number setting unit.. .
11/27/14
20140348517
Optical receiver
An optical receiver including a waveguide substrate including a first waveguide that transmits a main signal beam, a second waveguide that transmits a monitoring beam that has branched from the main signal beam, and a third waveguide that transmits an amplification beam to amplify the main signal beam; a light receiving device array including, integrally formed to the same substrate, a first light receiving device that detects the main signal beam and a second light receiving device that detects the monitoring beam; and a case that houses the waveguide substrate and the light receiving device array. The first light receiving device faces toward an end of the first waveguide, and the second light receiving device faces toward an end of the second waveguide..
11/27/14
20140347860
Method for producing high-luminance monochromatic light based on optical wavelength conversion and light source
Disclosed is a method for producing a high-luminance monochromatic light based on optical wavelength conversion, which is used in a light source comprising an excitation light source, and comprises the steps of: setting a first wavelength conversion material and a second wavelength conversion material; using an excitation beam to excite the first wavelength conversion material and the second wavelength conversion material, wherein the first wavelength conversion material absorbs the excitation light to produce a first excited light; the second wavelength conversion material absorbs a first waveband portion of the first excited light to produce a second excited light, where the energy of the absorbed first waveband portion is more than 50% of the total energy of the first excited light; mixing the second excited light and the unabsorbed portion of the first excited light together to form the high-luminance monochromatic light.. .
11/27/14
20140347842
Radiation generating apparatus and a method of generating radiation
Radiation generating apparatus is disclosed. The apparatus comprises a first radiation generating source for generating radiation comprising a first range of wavelengths, a second radiation generating source for generating radiation comprising a second range of wavelengths and a photoluminescent material which is arranged to absorb radiation in the first and second wavelength range and generate radiation comprising a third range of wavelengths.
11/27/14
20140347719
System and method for synchronizing light pulses at a selected location.
A system (100) for spatially addressing the synchronization of two light pulses (118, 120) having a respective wavelength. The system (100) includes two light sources (110, 114), each one generating one of the light pulses (118, 120) in response to receiving a respective source trigger.
11/27/14
20140347493
Image-capturing device and filter
An image-capturing device including a lens system and an image-capturing unit upon which light having passed through the lens system is incident, wherein the image-capturing unit includes a plurality of first image-capturing elements configured to receive light in a first wavelength band and a plurality of second image-capturing elements configured to receive light in a second wavelength band which is different from the first wavelength band, and wherein the lens system or the image-capturing unit is provided with an optical element so that the light in the first wavelength band of which light quantity is less than the light quantity of the light in the second wavelength band reaches the image-capturing unit.. .
11/27/14
20140346373
Droplet generator with actuator induced nozzle cleaning
Systems (and methods therefor) for generating euv radiation that comprise an arrangement producing a laser beam directed to an irradiation region and a droplet source. The droplet source includes a fluid exiting an orifice and a sub-system having an electro-actuatable element producing a disturbance in the fluid.
11/20/14
20140341579
Statistical optical design enabled via twdm-pon
An optical line terminal (olt) in a time and wavelength division multiplexed (twdm) passive optical network (pon). The olt comprises a first optical port, a second optical port, and a processor.
11/20/14
20140341501
Time delay compensation for optical waveguides using a bidirectional wavelength scan
Methods and apparatus for accurately determining wavelength by compensating a time delay using a bidirectional wavelength scan are provided. One example method generally includes introducing first wavelength-swept light into an optical waveguide according to a first sweep function having a first wavelength sweep direction; interrogating one or more optical elements, having characteristic wavelengths, with the first wavelength-swept light to produce a first set of optical signals, wherein the optical elements are disposed along the optical waveguide; introducing second wavelength-swept light into the optical waveguide according to a second sweep function having a second wavelength sweep direction, wherein the second wavelength sweep direction is opposite the first wavelength sweep direction; interrogating the optical elements with the second wavelength-swept light to produce a second set of optical signals; and determining a parameter associated with at least one of the optical elements based on the first and second sets of optical signals..
11/20/14
20140341007
Optical information device, cross-talk reduction method, computer, player, and recorder
A ratio xm of an information item recorded on an adjacent track relative to an information item recorded on a main track included in a first signal obtained from a first light flux having passed through a center region (6c) is different from ratios xs1 and xs2 of the information items recorded on the adjacent track relative to the information items recorded on the main track included in second and third signals obtained from second and third light fluxes having passed through first and second end regions (6r, 6l), and a ratio of respective gains of a first waveform equalizer (80c), a second waveform equalizer (80r), and a third waveform equalizer (80l) is determined so as to cancel the information item recorded on the adjacent track in each of frequency components of the first signal, the second signal, and the third signal.. .
11/20/14
20140340892
Particle detectors
A beam detector including a light source, a receiver, and a target, acting in cooperation to detect particles in a monitored area. The target reflects incident light, resulting in reflected light being returned to receiver.
11/20/14
20140340865
Display backlight system
A polarizing color converting layer (104) arranged to receive light that is outcoupled from said light outcoupling surface, and comprising i) a color converting elements (105) capable of converting light of said first wavelength range into light of a second wavelength range, and ii) at least one region of an optically anisotropic material (108), and at least one region of an optically isotropic material (109), wherein said polarizing color converting layer is capable of preferentially scattering one linear polarization direction of light received from the light-emitting arrangement. The lighting device of the invention provides improved polarization efficiency.
11/20/14
20140340649
Lighting device, projector including the same, and lighting method
A lighting device includes a first light source which emits excitation light, a wavelength convertor which generates fluorescence containing at least a first wavelength range and a second wavelength range by excitation with the excitation light, a second light source which emits light containing a third wavelength range different from the first wavelength range and the second wavelength range, an optical path-combining element which combines an optical path for the fluorescence from the wavelength convertor and an optical path for the light from the second light source, so as to guide the combined optical paths to a single emission optical path, and a light separator disposed in the emission optical path, which obtains and emits at least the first wavelength range and the second wavelength range of the fluorescence and at least the third wavelength range of the light from the second light source.. .
11/20/14
20140340165
Ferrite circulator with integrated e-plane transition
A waveguide circulator system for an e-plane-layer transition includes a first waveguide including: at least n waveguide arms, and a first-interface aperture spanning a first x-y plane on a bottom surface of a first waveguide arm, a ferrite element having n segments protruding into the n respective waveguide arms of the first waveguide; an e-plane-transition waveguide having a first open-end and a second opposing open-end; and a second waveguide including a second-interface aperture spanning a second x-y. The first-interface aperture is arranged to proximally overlap the first open-end.
11/20/14
20140339309
Systems and methods of optical code reading using a color imager
Systems and methods of optical code reading include production of image data by a color image sensor array and processing of the image data to decode an optical code. In one configuration, the color image sensor array includes first and second sets of sensor pixels sensitive to light having different wavelengths.
11/13/14
20140336665
Oscillating lithotripter
A lithotripter is provided for fragmenting a stone inside a patient's body. In one form, the lithotripter includes a motor having at least two modes of operation and is configured to produce first and second waveforms.
11/13/14
20140336482
Laser device and photoacoustic measurement device
Disclosed is a laser device which can emit light having first and second wavelengths, having the advantage of increasing laser efficiency without causing an increase in cost. A flash lamp irradiates excitation light onto a laser rod.
11/13/14
20140334999
Method for treating a substance with wave energy from an electrical arc and a second source
A substance is treated using a device having: (a) a volute or cyclone head, (b) a throat connected to the volute or cyclone head, (c) a parabolic reflector connected to the throat, (d) a first wave energy source comprising a first electrode within the volute or cyclone head that extends through the outlet into the opening of the throat along the central axis, and a second electrode extending into the parabolic reflector and spaced apart and axially aligned with first electrode, and (e) a second wave energy source disposed inside the throat, embedded within the throat or disposed around the throat. The substance is directed to the inlet of the volute or cyclone head and irradiated with one or more wave energies produced by the first and second wave energy sources as the substance passes through the device..
11/13/14
20140334766
Optical mode conversion by nonlinear effects
Embodiments of the present invention generally relate to optical mode conversion by nonlinear effects. More specifically, embodiments of the present invention relate to nonlinear mode conversion utilizing intermodal four-wave mixing to convert light between modes having different wavelengths for complex applications.
11/13/14
20140334726
Method for determining noise level
A method for determining noise levels in a subband of an image. The method comprises receiving the subband of the image, defining block regions in at least two space domains of the subband, for each defined block region, identifying first wavelet coefficients associated with coordinate values in the at least two space domains in the defined block region, computing a correlation matrix between identified wavelet coefficients to determine the correlation between first wavelet coefficients according to the at least one color domain, computing second wavelet coefficients, the computation of second wavelet coefficients being based on the correlation matrix and the first wavelet coefficients, computing at least one noise level, the noise level computation being based on at least one second wavelet coefficient and providing the at least one noise level..
11/13/14
20140334268
Methods for modification of insect behaviour
A method is described for emitting an insect behaviour modification signal to create a protected zone into which insect entry is minimized. The use of complex waveforms is described, emitted at frequencies from 150.000 hz to 250.000 hz.
11/06/14
20140330258
Medical laser apparatus
A medical apparatus comprising a first laser source operable to generate light at a first wavelength and supply a first laser light beam, a second laser source operable to generate laser light at a second wavelength and supply a second laser light beam, the first laser light beam being continuous or pulsed having a first, relatively long pulse duration, the second laser light beam being pulsed with a second, relatively short pulse duration, the apparatus being operable to supply the first laser light beam and subsequently the second laser light beam.. .
11/06/14
20140328590
Optical transceiver
A gain medium (7) arranged in the amplification section of the first waveguide and suitable for producing a stimulated light transmission, and an optical detector (8) coupled to the reception section of the second waveguide.. .
11/06/14
20140327886
Illumination device and image display apparatus
An illumination device includes: an excitation light source that emits excitation light having a first wavelength; and a fluorescent member that includes a fluorescent substance that, when it is irradiated with the excitation light, emits light having a second wavelength longer than the first wavelength, transmits a part of the excitation light and reflects another part of the excitation light, and a first reflective film provided at a side of the fluorescent substance, which is opposite to an excitation light incidence side, the fluorescent member emitting multiplexed light including an excitation light component reflected from the fluorescent substance and the first reflective film and a light component emitted from the fluorescent substance.. .
11/06/14
20140327865
Liquid crystal composition, liquid crystal display, and method of manufacturing liquid crystal display
In an aspect, an liquid crystal display including a first substrate, a second substrate facing the first substrate, and a liquid crystal layer interposed between the first substrate and the second substrate and including liquid crystals, a first alignment polymer, and a second alignment polymer is provided, in an aspect, the first alignment polymer is formed by radiating electromagnetic radiation on a first alignment aid photoreactive in a first wavelength region, the second alignment polymer is formed by radiating electromagnetic radiation on a second alignment aid photoreactive in a second wavelength region, and the first wavelength region and the second wavelength region are different from each other.. .
11/06/14
20140327783
Light-condensing unit, solid-state image sensor, and image capture device
A solid-state image sensor according to an embodiment of the present disclosure includes a photodetector array 100 in which photodetectors a and b are arranged two-dimensionally within an image capturing plane. Some of those photodetectors b located in multiple different mutually intersecting directions with respect to each photodetector a are adjacent to the photodetector a.
10/30/14
20140321848
Optical transmitter and method for controlling operation state of optical transmitter
An optical transmitter includes: a ring waveguide; an electrode which is formed near the ring waveguide and is provided with a signal; a first waveguide optically coupled to the ring waveguide; a second waveguide optically coupled to the ring waveguide without optically coupled directly to the first waveguide; and a light source configured to supply continuous wave light to the first waveguide.. .
10/30/14
20140321800
Position sensor using fiber bragg gratings to measure axial and rotational movement
A sensor is disclosed herein. The sensor includes a fiber operable to communicate a light wave.
10/30/14
20140321484
Picosecond optical radiation systems and methods of use
Methods, systems and apparatus are disclosed for delivery of pulsed treatment radiation by employing a pump radiation source generating picosecond pulses at a first wavelength, and a frequency-shifting resonator having a lasing medium and resonant cavity configured to receive the picosecond pulses from the pump source at the first wavelength and to emit radiation at a second wavelength in response thereto, wherein the resonant cavity of the frequency-shifting resonator has a round trip time shorter than the duration of the picosecond pulses generated by the pump radiation source. Methods, systems and apparatus are also disclosed for providing beam uniformity and a sub-harmonic resonator..
10/30/14
20140320865
Apparatus for detecting a 3d structure of an object
An apparatus for detecting a 3d structure of an object. The apparatus has first and second laser emitters which generate laser radiation having first and second wavelengths, respectively, the first wavelength being different from the second wavelength.
10/30/14
20140320854
Optical filter, optical filter module, spectrometric instrument, and optical instrument
An etalon filter includes a first substrate, a second substrate which faces the first substrate, a first optical film which is provided on the first substrate, and a second optical film which is provided on the second substrate to face the first optical film. The reflective characteristic of the first optical film determined by the reflectance of light of each wavelength in a reflective band is different from the reflective characteristic of the second optical film determined by the reflectance of light of each wavelength in the reflective band.
10/30/14
20140319638
Avalanche photodiode
According to one aspect, there is provided an avalanche photodiode comprising a first semiconductor layer that absorbs photons of a first wavelength range and having a first energy bandgap; a second semiconductor layer that absorbs photons of a second wavelength range and having a second energy bandgap, the second energy bandgap being different from the first energy bandgap; and a control layer between the first semiconductor layer and the second semiconductor layer, the control layer having a third energy bandgap engineered to suppress carriers created from dark current.. .
10/30/14
20140319572
Ceramic conversion element, optoelectronic component comprising a ceramic conversion element, and methods for producing a ceramic conversion element
A ceramic conversion element includes a multiplicity of first regions and a multiplicity of second regions, wherein the first regions vitreous, ceramic or monocrystalline fashion, at least either the first regions or the second regions are columnar and have a preferred direction forming an angle of at most 45° with a normal to a main surface of the conversion element, the first regions convert electromagnetic radiation in a first wavelength range into electromagnetic radiation in a second wavelength range different from the first wavelength range, the second regions convert electromagnetic radiation in the first wavelength range into electromagnetic radiation in a third wavelength range different from the first and second wavelength ranges, wherein the second regions are formed by a resin into which phosphor particles are embedded.. .
10/30/14
20140319376
Fluorescence excitation and detection system and method
System including an excitation assembly that is configured to excite a sample with first and second wavelengths during first and second excitation events, respectively, of an illumination/detection cycle. The sample provides emission light that includes different first, second, third, and fourth spectral patterns in response to the first and second wavelengths.
10/23/14
20140316226
Systems and methods of multispectral blood measurement
An exemplary system comprises an energy transmitter, an energy receiver, and an analyzer. The energy transmitter may project energy at a first wavelength and a second wavelength into tissue of a user, the first wavelength and the second wavelength being associated with at least one nutrient of a set of nutrients in blood of the user.
10/23/14
20140314425
Full-duplex multi-mode fiber communication
Techniques are presented herein to facilitate higher bandwidth communications in a data center using existing multi-mode fibers and full-duplex optical communication techniques. A first device transmits to a second device a first optical signal at a first wavelength on a first optical fiber.
10/23/14
20140314109
Direct modulated laser
A laser system can include an electrode to transmit electrical carriers into an active region in response to first electrical stimulation. The laser system can also include another electrode to transmit electrical carriers into the active region in response to second electrical stimulation.
10/23/14
20140312247
Fluorescence imager on a mobile device
Systems and methods for substantially simultaneously exciting a fluorescently labeled specimen and capturing fluorescent light emitted therefrom using a smartphone, tablet, or similar mobile computing device, are disclosed herein. The system includes a light-emitting diode (“led”) light source coupled with the smartphone to excite the specimen and an imaging device coupled with the smartphone to capture fluorescent light emitted from the specimen.
10/23/14
20140312212
Microplate reader with linear variable filter
A microplate reader includes a pair of linear variable filters (lvfs) that together form a wavelength selector. Movement of one or both of the lvfs enables selection of the desired center wavelength and/or passband used to analyze a sample on a microplate inserted into the microplate reader.
10/23/14
20140312161
Dual-mode sal/ir imaging
Dual mode sal/ir imaging seekers are described herein. In some embodiments, a dual-mode sal/ir imaging seeker described herein includes a focal plane array (fpa), an objective optical assembly providing a common optical path to the fpa for incident laser radiation of a first wavelength band and incident ambient radiation of a second wavelength band non-overlapping with the first wavelength band, a first optical filter operable to selectively pass the incident laser radiation to the fpa in a transmissive mode and selectively block the incident laser radiation from the fpa in a non-transmissive mode and a second optical filter assembly operable to selectively pass the incident ambient radiation to the fpa in a transmissive mode and selectively block the incident ambient radiation from the fpa in a non-transmissive mode..
10/16/14
20140308004
Grating edge coupler and method of forming same
An apparatus for optical coupling comprises a substrate, a first waveguide formed on the substrate and includes a grating structure directing light in a first direction, and a second waveguide formed on the first waveguide and including an angled portion directing the light in a second direction different from the first direction.. .
10/16/14
20140307998
Optical path-changing device having curved waveguide
In accordance with the present invention, there is provided an optical path-changing device having one or more curved waveguides, which not only can change an optical path at a large angle close to a perpendicular direction after light or an optical signal has been incident and reflected, but also can change the optical path in various directions, such as for straight pass, left turn, and right turn. An optical path-changing device having one or more curved waveguides according to an embodiment of the present invention includes a first waveguide (11) formed in a straight line.
10/16/14
20140307255
Multi-surface scattered radiation differentiation
An optical inspector includes a radiating source, a time varying beam reflector, a telecentric scan lens, a first and second waveplate, a polarizing beam splitter, a first detector, a focusing lens, a blocker, and a second detector. The radiating source irradiates the first waveplate generating circularly polarized source beam that irradiates a first position of on the time varying beam reflector with a source beam.
10/16/14
20140306944
Method of driving a plasma display apparatus
A method of driving a plasma display apparatus in which first electrodes and second electrodes are arranged adjacently and third electrodes are arranged to cross the first and second electrodes and in which one field comprises plural subfields having a reset period followed by an address period and a sustain period is provided. The method includes in the reset period in at least two of the subfields, applying a first waveform having a voltage that gradually increases in time to a first reached voltage to the second electrodes, and thereafter, applying a second waveform having a voltage that gradually decreases in time to the second electrodes, wherein the first reached voltages applied in at least two subfields of the subfields are different..
10/16/14
20140306258
Ceramic conversion element, optoelectronic semiconductor component comprising a ceramic conversion element, and method for producing a ceramic conversion element
A ceramic conversion element having a multiplicity of columnar regions arranged within a ceramic or vitreous matrix, wherein the columnar regions have a preferential direction which makes an angle of at most 45° with a normal to the main surface of the conversion element, at least either the columnar regions or the matrix convert electromagnetic radiation of a first wavelength range into electromagnetic radiation of a second wavelength range different from the first wavelength range and, the columnar regions are formed by wavelength-converting monocrystalline or ceramic fibers and/or monocrystalline or ceramic platelets, said fibers and/or said platelets are provided with a reflective coating.. .
10/16/14
20140304971
Grating edge coupler and method of forming same
An apparatus for optical coupling comprises a substrate, a first waveguide formed on the substrate and includes a grating structure directing light in a first direction, and a second waveguide formed on the first waveguide and including an angled portion directing the light in a second direction different from the first direction.. .
10/09/14
20140301693
Optical modulator using waveguides
In accordance with an optical modulator using waveguides of the present invention, the reflection phenomenon of light is used, so that the optical modulator is neither sensitive to the wavelength, mode, polarization, intensity, beam size, etc. Of light, nor sensitive to the temperature, the waveguide size, the uniformity of a refractive index, carrier doping concentration, changes in control voltage/current, etc., thus obtaining stable optical modulation characteristics.
10/09/14
20140301063
Light-emitting arrangement
A light-emitting arrangement (100) comprises: a reflective member (101) having a reflective surface (102); at least one light-emitting diode (103) arranged on the reflective surface of the reflective member, the at least one light-emitting diode being adapted to emit light of a first wavelength; and a wave length converting member (104) comprising a first wavelength converting material adapted to convert light of the first wavelength into light of a second wavelength. The wavelength converting member is arranged on the reflective member and having a top face (105)oriented parallel to the reflective surface of the reflective member, and having a first side face (106) and a second side face (107)each arranged between the top face and the reflective member on a respective side of the at least one light-emitting diode, and wherein the top face is arranged at a vertical distance (v1) from a light-emitting surface (108) of the at least one light-emitting diode.
10/09/14
20140300891
Method and apparatus for detecting degree of spoilage of food
A method detects the degree of spoilage of food by exposing a food sample to an excitation wave having a first wavelength of about 340 nm or about 380 nm, wherein the excitation wave has a bandwidth of 40 nm or less. The excitation wave is permitted to interact with the food sample and return emission spectra.
10/09/14
20140299774
Spectrometer and method of operating same
A spectrometer has a first and second light sources (12, 14) which generate light radiation (24) in a first and second wavelength ranges, and a mirror unit (16) for deflecting the light radiation (24, 26) into a measurement path (18), arranged so that the radiation of both wavelength ranges (24, 26) runs through on the same optical path. A detector (20) detects radiation (24, 26) running through the measurement path (18) and an evaluation unit (22) evaluates the radiation (24, 26) incident at the detector (20) and for determining a concentration of a measurement gas component present in the measurement path (18).
10/02/14
20140295536
Particle measuring apparatus
A particle measuring apparatus comprising a flow cell configured to flow a specimen, a first light source configured to emit light having a first wavelength, a second light source configured to emit light having a second wavelength different from the first wavelength, an irradiation optical system configured to irradiate the flow cell with light emitted from the first light source and the second light source, a first light receiving portion configured to receive scattered light obtained by irradiating a measurement particle passing through the flow cell with light from the first light source, and a second light receiving portion configured to receive scattered light obtained by irradiating a measurement particle passing through the flow cell with light from the second light source.. .
10/02/14
20140295488
Blood cell analyzer and blood cell analyzing method
A blood cell analyzer comprising a flow cell configured to flow a measurement specimen containing blood cells, a first light source configured to emit light having a first wavelength, a second light source configured to emit light having a second wavelength different from the first wavelength, a first light receiving portion configured to receive first scattered light generated by irradiating the blood cells in the measurement specimen with light from the first light source, a second light receiving portion configured to receive second scattered light generated by irradiating the blood cells in the measurement specimen with light from the second light source, and a control section configured to classify at least white blood cells from the blood cells contained in the measurement specimen, based on a detection signal output from the first light receiving portion and a detection signal output from the second light receiving portion.. .
10/02/14
20140295487
Blood cell analyzer and blood cell analyzing method
A blood cell analyzer comprises a flow cell configured to flow a measurement specimen containing blood cells, a first light source configured to emit light having a first wavelength, a second light source configured to emit light having a second wavelength different from the first wavelength, a first light receiving portion configured to receive first scattered light obtained by irradiating the blood cells passing through the flow cell with light from the first light source, a second light receiving portion configured to receive second scattered light obtained by irradiating the blood cells passing through the flow cell with light from the second light source, and a control section configured to discriminate at least red blood cells from the blood cells contained in the measurement specimen based on detection signals output from the first light receiving portion and the second light receiving portion, respectively.. .
10/02/14
20140293576
Phosphor device and illumination system using same
A phosphor device of an illumination system emitting a first color light in a first waveband region includes a first region having n sub-regions and n single-powder phosphor agents, wherein n is ≧2. The n single-powder phosphor agents are coated on the n sub-regions, respectively, for transforming the first color light in the first waveband region into n color lights in n waveband regions.
10/02/14
20140293423
Diffractive device
A method and apparatus for viewing or authenticating a diffractive device and a diffractive security device (1) are provided in which a first diffractive relief structure (200) is responsive to a first wavelength of visible monochromatic light, a second diffractive relief structure (200) is at least partially interlaced with the first diffractive relief structure (100) and responsive to a second wavelength of visible monochromatic light, and a third diffractive relief structure (400) is at least partially interlaced with the first and second diffractive relief structures (100, 200) and responsive to a third wavelength of visible monochromatic light. Under illumination by the first, second and third wavelengths of monochromatic light, the first diffractive relief structure (200) produces a first partial image of a first colour in a reconstruction plane, the second diffractive relief structure (300) produces a second partial image of a second colour in the reconstruction plane and the third diffractive relief structure (400) produces a third partial image of a third colour in the reconstruction plane, and the first, second and third partial images at least partially overlap in the reconstruction plane to form a multicoloured image.
10/02/14
20140291714
Semiconductor light emitting device
The present disclosure relates to a semiconductor light emitting device, comprising: a plurality of semiconductor layers that grows sequentially on a growth substrate, with the plurality of semiconductor layers including a first semiconductor layer having a first conductivity, a second semiconductor layer having a second conductivity different from the first conductivity, and an active layer interposed between the first semiconductor layer and the second semiconductor layer, generating a light with a first wavelength via electron-hole recombination; a first electrode, supplying either electrons or holes to the plurality of semiconductor layers; a second electrode, supplying, to the plurality of semiconductor layers, electrons if the holes are supplied by the first electrode, or holes if the electrons are supplied by the first electrode; a phosphor part provided over the first semiconductor layer on the side of the growth substrate, converting the light with the first wavelength generated in the active layer into a light of a second wavelength; and a non-conductive reflective film formed on the second semiconductor layer for reflecting the light from the active layer towards the first semiconductor layer on the side of the growth substrate, with the non-conductive reflective film having a distributed bragg reflector designed based on the light converted by the phosphor part.. .
09/25/14
20140286648
Optical mimo processing
A technique is provided for an optical multiple input multiple output (mimo) processing system. The optical (mimo) processing system includes an interface to a multi-mode fiber at a first end of the optical processing system; m first single-mode waveguides coupled to the interface; wherein the first waveguides are arranged to carry m first optical signals, respectively; n second single-mode waveguides at a second end of the optical processing system, wherein the second waveguides are arranged to carry n second optical signals, respectively, wherein the n second optical signals are associated with n modes carried by the multi-mode fiber; and an optical processing core arranged to transform the first optical signals into the second optical signals such that a correlation between the second optical signals is decreased compared to a correlation between the first optical signals using a plurality of optical couplers for coupling each of the m first optical signals with one another, such that each of the n second optical signals is a linear combination of all of the m first optical signals..
09/25/14
20140286132
An ultrasound doppler detection method with golay code excitation
An ultrasound doppler detection method with golay-encoded excitation is used to obtain the flow information of a moving object. A first golay code is transmitted to the moving object for a reflection signal of the first golay code and a second golay code is transmitted to the moving object for a reflection signal of the second golay code after waiting for a pulse repetition interval.


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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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