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This page is updated frequently with new Second Wave-related patent applications.




Date/App# patent app List of recent Second Wave-related patents
04/07/16
20160100141 
 Image projection apparatus, image projection method, and computer-readable storage medium patent thumbnailImage projection apparatus, image projection method, and computer-readable storage medium
An image projection apparatus includes a light source configured to emit light with a luminance according to electric power; a color wheel configured to sequentially transmit the light through multiple color filters arranged along a circumferential direction; a light modulation element configured to form an image by modulating an intensity of the light transmitted through the color wheel according to an input signal representing input image data; and a selection controller configured to select, out of a first waveform indicating temporal change in electric power supplied to the light source in a first mode and a second waveform indicating temporal change in electric power supplied to the light source in a second mode, the second waveform when a luminance value of the input signal is equal to or less than a first threshold. A brightness of the image in the second mode is lower than that in the first mode..

04/07/16
20160099657 
 Power conversion techniques patent thumbnailPower conversion techniques
A power supply that includes a first current generator circuit that is coupled to a first transformer and generates a first waveform and a second current generator circuit that is coupled to a second transformer, and generates a second waveform that is out of phase with the first waveform. The first and second waveforms are rectified and combined into a dc output signal.
Thx Ltd.


04/07/16
20160097984 
 Focus monitoring arrangement and inspection apparatus including such an arrangement patent thumbnailFocus monitoring arrangement and inspection apparatus including such an arrangement
An inspection apparatus (300) includes a focus monitoring arrangement (500, 500′). Focusing radiation (505) comprises radiation having a first wavelength and radiation having a second wavelength.
Asml Netherlands B.v.


04/07/16
20160097901 
 Apparatus and  optical time domain reflectometry patent thumbnailApparatus and optical time domain reflectometry
An optical signal routing device may include a first lens, second lens and a wavelength division multiplexer (“wdm”) filter positioned between the first and second lenses. The wdm filter may reflect a signal of a first wavelength with a first attenuation and pass the first wavelength signal attenuated by at most a second attenuation to the second lens, the first attenuation exceeding the second attenuation by a first predetermined amount.
Go!foton Holdings, Inc.


04/07/16
20160097887 
 Monochromator using optical filters to select wavelength of light patent thumbnailMonochromator using optical filters to select wavelength of light
Provided is a monochromatization device for easily selecting light having a specific wavelength, comprising: a first broadband filter arranged to have a first rotational angle with respect to an incident direction of light to enable a first wavelength band to pass therethrough with respect to the incident light; a second broadband filter arranged to have a second rotational angle with respect to an incident direction of light to enable a second wavelength band to pass therethrough with respect to the light passing through the first broadband filter; and a path compensation unit for adjusting a light path so that the light path passing through the second broadband filter is the same as a path of the light incident to the first broadband filter. Accordingly, the output light efficiency for the incident light is increased and the required specific wavelength can be more easily selected..
Korea Research Institute Of Chemical Technology


04/07/16
20160097863 
 Method and  imaging of radiation sources patent thumbnailMethod and imaging of radiation sources
A fibrescope comprises a scintillator arranged to produce light of a first wavelength upon exposure to radiation; an optical system arranged to receive and direct light of the first wavelength emitted from the scintillator, the light being received at one end of the optical system, and wherein one or more elements of the optical system emits scintillation light of a second wavelength upon exposure to radiation; and an optical filter, disposed at the other end of the optical system, and arranged to transmit light of the first wavelength and block light of the second wavelength. The scintillator is chosen such that the light of the first wavelength is spectrally distinct from the light of the second wavelength..
Lightpoint Medical Ltd.


04/07/16
20160097719 
 Methods for monitoring environmental barrier coatings patent thumbnailMethods for monitoring environmental barrier coatings
A method of monitoring a surface temperature of an environmental barrier coating (ebc) of a hot gas component includes directing an excitation beam having a first wavelength at a layer of a temperature indicator formed on the hot gas component. The method also includes measuring a fluorescent radiation emitted by the temperature indicator.
General Electric Company


04/07/16
20160097494 
 Optical module patent thumbnailOptical module
An optical module including a light source, an adjustable reflector and a wavelength conversion set is provided. The adjustable reflector is disposed in a light path of light emitted from the light source and adaptable to adjust between a first position and a second position.
Playnitride Inc.


04/07/16
20160096233 
 Laser micro/nano processing system and method patent thumbnailLaser micro/nano processing system and method
A laser micro/nano processing system (100, 200, 300, 400) comprises: a laser light source used to provide a first laser beam having a first wavelength and a second laser beam having a second wavelength different from the first wavelength, with the pulse width of the first laser beam being in the range from a nanosecond to a femtosecond; an optical focusing assembly used to focus the first laser beam and the second laser beam to the same focal point; and a micro mobile platform (21) controlled by a computer. Also disclosed are a method for micro/nano-processing photosensitive materials with a laser and a method for fabricating a device with a micro/nano structure using laser two-photon direct writing technology.
Technical Institute Of Physics And Chemistry Of The Chinese Academy Of Sciences


03/31/16
20160094306 
 Optical transmission apparatus and optical transmission control method patent thumbnailOptical transmission apparatus and optical transmission control method
An optical transmission apparatus includes: a variable optical attenuation section configured to independently adjust, for each wavelength, attenuation of light of a plurality of wavelengths and adjust output optical power of wavelength multiplexed light that is output to an optical transmission line by adjustment of the attenuation; and a control section configured to stop, in accordance with control in which a wavelength included in the wavelength multiplexed light in a first wavelength band is wavelength-shifted to a second wavelength band that is different from the first wavelength band, adjustment of attenuation performed on the first wavelength band by the variable optical attenuation section.. .
Fujitsu Limited


03/31/16
20160093777 

Light emitting device and manufacturing the same


The light emitting device includes a light emitting element, a wavelength converter, and a light guider. The light emitting element has an element upper surface, an element lower surface, and an element side surface.
Nichia Corporation


03/31/16
20160091707 

Microscope system for surgery


From a first image indicating an intensity distribution of radiation from a subject 5 in a first wavelength region and a second image indicating an intensity distribution of radiation from the subject in a second wavelength region, a surgical microscope system 1 obtains image data of a third image indicating a position of a target substance. Output data obtained by superposing the image data of the third image onto form image data further includes information indicating the target substance in addition to the image indicating the surface form of the subject 5.
Kyoto University


03/31/16
20160091641 

Color filter and display panel using same


A color filter of display panel for converting dual band white backlight to light with three-primary colors. The color filter includes a plurality of first filtering parts, a plurality of second filtering parts, and a plurality of quantum dot blocks.
Ye Xin Technology Consulting Co., Ltd.


03/31/16
20160091429 

System and stimulated raman spectroscopy


Disclosed herein is a system (10) for measuring light induced transmission or reflection changes, in particular due to stimulated raman emission. The system comprises a first light source (12) for generating a first light signal having a first wavelength, a second light source (14) for generating a second light signal having a second wavelength, an optical assembly (16) for superposing said first and second light signals at a sample location (18), and a detection means (24) for detecting a transmitted or reflected light signal, in particular a stimulated raman signal caused by a raman-active medium when located at said sample location.
Ludwig-maximilians-universitÄt MÜnchen


03/31/16
20160091172 

Light-emitting module


A light-emitting module has better white light color rendering index to provide white rendering effect in accordance with the requirements of various application sites. The light-emitting module includes a (circuit) substrate board and at least one ultraviolet ray emitter and at least one blue light emitter disposed on the substrate board.
Edison Opto Corporation


03/24/16
20160088291 

Monochrome stereoscopic projection display system on semitransparent plate


The field of the invention is that of viewing systems comprising means for generating stereoscopic images, a viewing device comprising a projector and a semitransparent screen and a pair of stereoscopic glasses. The projector according to the invention comprises means arranged so as to project alternatively a first image emitted at a first wavelength and a second image emitted at a second wavelength different from the first wavelength.
Thales


03/24/16
20160088274 

Projector


A projector has a light source, image forming units, a projection lens, a first optical system and a second optical system. The image forming units form image light by adjusting, on a per-pixel basis, the intensity of light emitted by the light source.
Nec Display Solutions, Ltd.


03/24/16
20160085029 

Optical waveguide lens and optical coupling module incorporating the same


An optical waveguide lens includes a substrate, and a planar waveguide and a media grating formed on the substrate in sequence. The media grating includes a first group of gratings located adjacent to the light source and a second group of gratings away from the light source.
Hon Hai Precision Industry Co., Ltd.


03/24/16
20160085025 

Waveguide arrangements based on adiabatic elimination


This disclosure provides systems, methods, and apparatus related to nanophotonics. In one aspect, an arrangement of waveguides includes a substrate and three waveguides.
The Regents Of The University Of California


03/24/16
20160084642 

Determining a virtual representation of an environment by projecting texture patterns


Example methods and systems for determining 3d scene geometry by projecting patterns of light onto a scene are provided. In an example method, a first projector may project a first random texture pattern having a first wavelength and a second projector may project a second random texture pattern having a second wavelength.
Industrial Perception, Inc.


03/24/16
20160083949 

Water - saving toilet


In a toilet comprising a toilet bowl, the water-saving system comprises a first emitter for emitting a first beam having a first wavelength comprised between 300 and 495 nm. A second emitter for emitting a second beam has a second wavelength comprised between 590 and 900 nm, at least one detector for receiving the first and second beams.
Siamp Cedap


03/17/16
20160080625 

Substance detection device


A substance detection device includes an illuminator that illuminates a monitoring range with light at a first wavelength and light at a second wavelength at different timings, an image capturer that obtains a first actual image by capturing an image of the monitoring range which is illuminated by the light at the first wavelength and obtains a second actual image by capturing an image of the monitoring range which is illuminated by the light at the second wavelength, and an image processor that acquires a difference in lightness of corresponding pixels between the first actual image and the second actual image that are obtained by the image capturer, compares the acquired difference in lightness of the corresponding pixels with a reference value, and detects a specific substance that is present in the monitoring range based on a result of the comparison.. .
Panasonic Intellectual Property Management Co., Ltd.


03/17/16
20160080088 

Isolation of rf signals using optical single side band modulation combined with optical filtering


A method and apparatus for isolating an rf signal are provided. A first rf signal is received and passed to an input of a 90 degree hybrid.
Government Of The United States, As Represented By The Secretary Of The Air Force


03/17/16
20160079732 

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.


03/17/16
20160079490 

Light emitting device comprising wavelength converter


A light source (104) arranged on a substrate (100) and having a light exit surface, a wavelength converter (106) configured to convert light from a first wavelength to a second wavelength, the wavelength converter (106) having a light exit surface (110) and a light entrance surface (114) and an optical coupling element (112), arranged between and in contact with the light exit surface of the light source (104) and the light entrance surface (114) of the wavelength converter (106), and configured to couple light from the light source (104) to the wavelength converter (106), wherein at least a major portion of the surface of the wavelength converter (106), other than the light exit surface (110) and the light entrance surface (114), has a surface roughness, ra, less than 100 nm.. .
Koninklijke Philips N.v.


03/17/16
20160077281 

Variable optical attenuator with wavelength-dependent loss compensation


A variable optical attenuator with wavelength-dependent loss compensation is provided, including: an optical fiber pigtail comprising at least a first waveguide and a second waveguide; a lens being disposed between the optical fiber pigtail and a reflector for focusing an emitted light from the first waveguide and returning a reflected light from the reflector to the second waveguide of the optical fiber pigtail; and the reflector being disposed at the focus of the lens to reflect the emitted light from the first waveguide passing the lens, and the reflected light passing through the lens to return to the second waveguide, the reflector having an initial position with a normal forming a pre-tilt angle with the axis of lens in the incident plane defined by the two axes, and the reflector tilting towards a larger tilt angle when an attenuation value increasing.. .
Browave Corporation


03/17/16
20160077067 

Multi-measurement flow cell assembly for liquid chromatography


A detector for detecting constituents of a liquid for use in liquid chromatography is disclosed. The detector includes a first optical flow cell body and a second optical flow cell body, each having a channel therethrough that allows passage of a liquid from an inlet port to an outlet port.
Practichem Llc


03/17/16
20160076891 

System and reducing coherent backscatter in a stitched waveguide integrated optic circuit


An integrated optical circuit comprises a first waveguide section of a first material having a first index of refraction, a second waveguide section diffused with a second material, different from the first material, the second waveguide section having a second index of refraction; and a third waveguide section of the first material. A portion of the first waveguide section at a first interface is angled at a first angle and a portion of the second waveguide section is angled at the first angle.
Honeywell International Inc.


03/17/16
20160076735 

High brightness solid state illumination system for fluorescence imaging and analysis


An illumination system includes a phosphor to emit light in a wavelength band Δλphosphor, a second light source to emit light at a second wavelength λ2 within an absorption band of the phosphor, a third light source to emit light at a third wavelength λ3 and a fourth light source to emit light at a fourth wavelength λ4. A controller drives the second, third and fourth light sources.
Excelitas Canada, Inc.


03/17/16
20160076713 

Illumination device


An illumination device includes a solid light-emitting element and a wavelength converting unit configured to convert a wavelength of light emitted from the solid light-emitting element. The wavelength converting unit includes a first member spaced apart from the solid light-emitting element and installed so as to surround the solid light-emitting element, and a second member installed so as to cut off a part of a light path extending from the solid light-emitting element to the first member.
Panasonic Intellectual Property Management Co., Ltd.


03/17/16
20160076711 

Solid state lighting device


An ssl lighting device (1) comprising a housing (2), which has a reflective inner surface (3), and an elongated light guide (6) which includes a wavelength converting material (10) for converting light in a first wavelength range to light in a second wavelength range. The elongated light guide (6) comprises two ends (7a, 7b), a portion for receiving light (18) and a portion for emitting light (19).
Koninklijke Philips N.v.


03/17/16
20160073876 

Scanning laser ophthalmoscope


A scanning laser ophthalmoscope includes: an irradiation optical system including a laser light source and an optical scanner; a light receiving optical system including first to third photo detectors; and a processor. The light receiving optical system includes a wavelength separator causing the light of a first wavelength range to be received by the first photo detector, the light of a second wavelength range to be received by the second photo detector, and the light of a third wavelength range to be received by the third photo detector.
Nidek Co., Ltd.


03/10/16
20160071255 

Methods for measuring overlays


A method for measuring overlay includes receiving a first image of a first overlay mark captured using light having a first wavelength. The method includes receiving a second image of a second overlay mark captured using light having a second wavelength different from the first wavelength.
Samsung Electronics Co., Ltd.


03/10/16
20160070063 

Optical coupling device, photoelectric conversion device and optical communication device


An optical communication device includes two photoelectric conversion devices, and an optical fiber connection between the photoelectric conversion devices. The photoelectric conversion devices include an optical coupling device, a light emitting device, and an optical receiver.
Hon Hai Precision Industry Co., Ltd.


03/10/16
20160069538 

Wavelength-converting device and illumination system using same


A wavelength-converting device used for converting first waveband light includes a transmissive substrate, a phosphor layer and an optical layer. The transmissive substrate has a refraction coefficient ns, the refraction coefficient ns is greater than an environmental refraction coefficient namb.
Delta Electronics, Inc.


03/10/16
20160069535 

Wavelength-converting device and illumination system using same


A wavelength-converting device includes a first substrate, a second substrate and a first wavelength-converting material. The first substrate has a first region and a first engagement portion.
Delta Electronics, Inc.


03/10/16
20160067921 

Three dimensional printing adhesion reduction using photoinhibition


Methods, systems, and apparatus, including medium-encoded computer program products, for three dimensional print adhesion reduction using photoinhibition include, in one aspect, a method including: moving a build plate in a vat of liquid including a photoactive resin; creating a photoinhibition layer within the liquid directly adjacent a window of the vat by directing a first light through the window into the liquid, the first light having a first wavelength selected to produce photoinhibition; and creating a solid structure on the build plate from the photoactive resin within a photoinitiation layer of the liquid by directing a second light through the window into the liquid, where the photoinitiation layer resides between the photoinhibition layer and the build plate, and the second light has a second wavelength different than the first wavelength.. .
Autodesk, Inc.


03/10/16
20160067808 

System and oscillating waveforms to reduce magnetic arc blow


The invention described herein generally pertains to a system and method related to reducing magnetic arc blow by adjusting a current welding waveform that is used to create an arc between a workpiece and an electrode. The invention can provide a welder system that includes a component that detects an amount of magnetic field related to arc blow, wherein a controller can adjust the current welding waveform to reduce the amount of magnetic field related to arc blow.
Lincoln Global, Inc.


03/10/16
20160066994 

Non-invasive slimming a human body using two wavelngths of laser energy concurrently


A noninvasive method of slimming a patient's body by concurrently applying laser energy of two different wavelengths to the patient. In the preferred embodiment, the laser treatment uses one wavelength of about 635 nm and another wavelength of about 532 nm.
Erchonia Corporation


03/03/16
20160065310 

Optical communication apparatus and controlling optical modulator


An optical communication apparatus includes an optical modulator having a mach-zehnder interferometer with a pair of waveguides and configured to modulate a phase of light emitted from a light source, a first controller configured to control a first substrate bias voltage or an amplitude of a first drive signal applied to a first waveguide of the waveguide pair of the optical modulator based upon an output of the optical modulator or a wavelength of the light source; and a second controller configured to control a second substrate bias voltage or an amplitude of a second drive signal applied to a second waveguide of the waveguide pair of the optical modulator independently from the first controller, based upon the output of the optical modulator or the wavelength of the light source.. .
Fujitsu Optical Components Limited


03/03/16
20160064620 

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


03/03/16
20160064434 

Color filter array and image receiving method thereof


A color filter array, for an image sensing device, includes a plurality of filter patterns. Each filter pattern includes at least one first filter, corresponding to a first wavelength range of a first color; at least one second filter, corresponding to a second wavelength range of a second color; at least one third filter, corresponding to a third wavelength range of a third color; at least one fourth filter, corresponding to a first infrared wavelength range, wherein the first infrared wavelength range is an intersection of the first wavelength range and the second wavelength range; and at least one fifth filter, corresponding to a second infrared wavelength range, wherein the second infrared wavelength range is an intersection of the first wavelength range and the third wavelength range..
Novatek Microelectronics Corp.


03/03/16
20160064203 

Phosphor-containing coating systems and fluorescent lamps equipped therewith


Coating systems suitable for use in generating fluorescent visible light, and lamps provided with such coating systems. The coating systems includes a phosphor-containing coating that contains at least a first phosphor that is predominantly excited by ultraviolet radiation of a first wavelength to emit visible light and absorbs but is less efficiently excited by ultraviolet radiation of a second wavelength.
General Electric Company


03/03/16
20160062220 

Light source device and projection-type display device


A light source device is provided that can achieve a reduction in size with respect to the direction of irradiation of light to a fluorescent unit as well as a decrease in cost. The light source device (1) is equipped with: light source main body (2), first optical element (3), fluorescent unit (4), and second optical element (5).
Nec Display Solutions, Ltd.


03/03/16
20160058274 

Image capturing system and electronic endoscope system


An image capturing system, comprising: a light source device that emits illumination light containing wavelength regions; an image pickup device having an rgb filter; and an image processing unit to calculate a first index representing a molar concentration ratio of a first biological substance and a second biological substance contained in the living tissue, wherein the wavelength regions comprise: a first wavelength region corresponding to a b filter; and a second wavelength region corresponding to a g filter, wherein: in the first wavelength region, a value of image data b varies depending on the molar concentration ratio; the second wavelength region contains a plurality of isosbestic points of the living tissue, and, in the second wavelength region, a value of image data g takes a constant value without depending on the molar concentration ratio.. .
Hoya Corporation


02/25/16
20160057515 

Signal routing


An upgradable optical route for tis use in an optical switching network is disclosed. In an initial configuration, the optical router contains wavelength selective switches configured to switch optical signals having wdm wavelengths positioned in a grid having exactly 100 ghz (about 0.8 nm) spacing in optical frequency, aka fixed grid.
British Telecommunications Public Limited Company


02/25/16
20160056897 

Optical communication device and controlling optical modulator


An optical communication device has a mach-zehnder optical modulator; a monitor configured to monitor a modulated light output from the optical modulator; a first controller configured to set a substrate bias voltage or an amplitude of a drive signal applied to the first waveguide of a waveguide pair of the optical modulator to a desired level that provides a first modulation index; and a second controller configured to control a substrate bias voltage or an amplitude of the drive signal applied to the second waveguide of the waveguide pair based upon an output signal from the monitor such that a second modulation index for the second waveguide becomes the same or closer to the first modulation index set for the first waveguide.. .
Fujitsu Optical Components Limited


02/25/16
20160056542 

Open waveguide beamforming antenna for radio frequency identification reader


An open waveguide antenna for a radio frequency identification reader includes a conductive annular waveguide concentric about an axis and configured for operation within an operating frequency band. A radiating slot is formed in at least one wall of the waveguide is also concentric about the axis.
Motorola Solutions, Inc.


02/25/16
20160056215 

Organic light emitting diode display, optical unit, and manufacturing optical unit


An organic light emitting diode display includes: a display module including a first organic light emitting diode to emit light with a first wavelength, a second organic light emitting diode to emit light with a second wavelength, and a third organic light emitting diode to emit light with a third wavelength; a phase difference layer including a first liquid crystal pattern on the first organic light emitting diode, and a second liquid crystal pattern on the second organic light emitting diode and the third organic light emitting diode; and a linear polarization layer on the phase difference layer.. .
Samsung Display Co., Ltd.


02/25/16
20160054639 

Mach-zehnder modulator


A mach-zehnder modulator includes: a conductive semiconductor region disposed on a substrate; a first waveguide arm disposed on the conductive semiconductor region; a second waveguide arm disposed on the conductive semiconductor region; a first electrode disposed on the first waveguide arm, the first electrode receiving a first drive signal applied to the first waveguide arm; a second electrode disposed on the second waveguide arm, the second electrode receiving a second drive signal applied to the second waveguide arm; a first ground electrode disposed on the conductive semiconductor region, the first ground electrode being electrically connected to a reference potential; and a second ground electrode disposed on the conductive semiconductor region. The first and second drive signals constitute a differential signal.
Sumitomo Electric Industries, Ltd.


02/25/16
20160054574 

Solid state illuminator and operating method using the same


A solid state illuminator for generating time sequential 6-primary color includes a first light source, a second light source, a path choosing module, a multi-band filter, a first photoluminescence module, a second photoluminescence module, a first optical module, and a second optical module. The first light source and the second light source provide a first beam with a first wavelength and a second beam with a second wavelength respectively, and the first wavelength is not overlapped with the second wavelength.
Delta Electronics, Inc.


02/25/16
20160054501 

Light emitting device comprising wavelenght converter


A light emitting device (102, 202) comprising a light source (104) having a light exit surface, a wavelength converter (106) configured to convert light from a first wavelength to a second wavelength, said wavelength converter having a light exit surface (110) and a light entrance surface, a heat sink (100) and an optical coupling element (112), arranged in thermal connection with said heat sink (100) and said wavelength converter (106), wherein said optical coupling element (112) is selected to have a refractive index lower than a refractive index of said wavelength converter (106). The optical coupling element (112) will allow for an efficient heat transfer from the wavelength converter (106) to the heat sink (100) while avoiding loss of light from unwanted surfaces..
Koninklijke Philips N.v.


02/25/16
20160054431 

Wholly optically controlled phased array radar transmitter


A wholly optically controlled phased array transmitter with integrated tunable optoelectronic oscillators, which are based on multi-wavelength optical sources and optical true time delay units, and optical time delay networks, having a multi-wavelength optical source, a first wavelength division multiplexer, a first optical splitter, a first electro-optic modulator, a second optical splitter, a first optical amplifier, a first optical time delay network, a photodetector, an electric amplifier, a dc-block, a second electro-optic modulator, a second optical amplifier, a second optical time delay network, an optical combiner, a second wavelength division multiplexer, an optical fibers, a photodetector array, a t/r component array, a microwave antenna array, a 1×2 optical switch, a 2×2 optical switch, a circulator, a third wavelength division multiplexer, a bundle of optical fibers with precise lengths, and a faraday rotation mirror.. .
Shanghai Jiao Tong University


02/18/16
20160048080 

Critical dimension control in photo-sensitized chemically-amplified resist


Resist compositions for photosensitive chemically amplified resist processing, as well as methods for processing substrates using a photosensitive chemically amplified resist are disclosed for improved cd uniformity. A resist composition or layer generates photosensitizer when the resist is exposed to a first wavelength of light.
Tokyo Electron Limited


02/18/16
20160047655 

Resonant fiber optic gyroscope with polarizing crystal waveguide coupler


Systems and methods for a resonant fiber optic gyroscope with a polarizing crystal waveguide coupler are provided. In one embodiment, an optical fiber resonator comprises: a polarizing single crystal material having a first crystal lattice axis; a first waveguide formed in the crystal material; a second waveguide formed in the crystal material running parallel to the first waveguide; and an optical fiber sensing coil.
Honeywell International Inc.


02/18/16
20160047532 

Electromagnetic radiation shielding assembly


An electromagnetic shielding assembly may include a transparent substrate layer and a transparent active layer positioned with respect to the substrate, wherein the active layer is configured to absorb electromagnetic radiation having a first wavelength and emit electromagnetic radiation having a second wavelength, the second wavelength being different than the first wavelength, the active layer includes fluorescent molecules combined with a base material, the fluorescent molecules being configured to absorb electromagnetic radiation having the first wavelength and emit the electromagnetic radiation having the second wavelength, wherein the first wavelength is in a visible electromagnetic spectrum and the second wavelength is in a non-visible electromagnetic spectrum.. .
The Boeing Company


02/11/16
20160043882 

Method of channel estimation by phase rotation in an orthogonal frequency division multiplexing (ofdm) system


The method includes receiving communication signals in a time domain and to a frequency domain, providing resource blocks in the frequency domain including a first and second resource block, selecting first pilot signals from first resource block and second pilot signals from second resource block, calculating a first average value based on the first pilot signals, calculating a second average value, determining a phase difference between the first and second pilot signals using the first and second average values, adjusting a first phase of first resource block using the phase difference, providing a first waveform using the first resource block with adjusted the first phase and the second resource block, applying a smoothing filter against the first waveform to generate a second waveform, generating a third waveform using at least the first and third set of phase and amplitude differences, and converting third waveform from frequency domain to time domain.. .
Spreadtrum Communications (shanghai) Co., Ltd.


02/11/16
20160043457 

A waveguide e-plane filter structure


The present invention relates to a waveguide e-plane filter component comprising a first and second main part (2) with a corresponding first and second waveguide section part (3). The main parts (2) are mounted to each other, such that a wave-guide arrangement is formed.
Telefonaktiebolaget L M Ericsson (publ)


02/11/16
20160043272 

Monolithic light-emitting device


A light-emitting device comprises a monolithic matrix of iii-nitride elements, the matrix comprising at least one first stack of quantum wells or of planes of quantum dots able to emit photons at at least one second wavelength by optical pumping by the photons emitted by the first stack, and a region separating the two stacks, and first and second electrodes arranged to allow an electrical current to pass through the stacks, the second stack is n-doped, the separating region comprises a tunnel junction having an n++-doped region arranged on the same side as the second stack and a p++-doped region arranged on the opposite side and the first stack is arranged between separating region and at least one n-doped layer. Method for manufacturing such device..
Centre National De La Recherche Scientifique


02/11/16
20160042753 

Waveguide with reflective grating for localized energy intensity


An apparatus includes a waveguide with first and second sections, and a junction coupling the first and second waveguide sections together. The first waveguide section has a first reflective device and the second section comprising a second reflective device arranged to generate a standing wave in the waveguide with maximum energy wave intensity at a target region of the waveguide in response to an incident energy wave being provided into at least one of the waveguide sections..
Western Digital (fremont), Llc


02/11/16
20160041457 

Projector with wave length wheel and color wheel in one module


A projector with a wave length wheel and a color wheel in one module is proposed, the projector comprising: a light source configured to generate a first wavelength band light; a dichroic filter configured to reflect the first wavelength band light irradiated from the light source, and to transmit a second wavelength band light and a third wavelength band light; integrated wavelength conversion wheel and color wheel modules configured to integrally form a wave length wheel and a color wheel each wheel in a parallel manner in order to allow transmitting the first wavelength band light reflected from the dichroic filter and to generate the second wavelength band light and the third wavelength band light through wavelength conversion using the first wavelength band light as an excited light and to reflect the generated second wavelength band light and the third wavelength band light to the dichroic filter; and a light tunnel configured to receive the first wavelength band light reflected from the dichroic filter by transmitting the integrally formed wave length wheel and color wheel, and the second wavelength band light and the third wavelength band light transmit through the dichroic filter by being generated by and reflected from the integrally formed wave length wheel and color wheel.. .
Lg Electronics Inc.


02/11/16
20160041450 

Electromagnetic wavelength conversion device


Technologies are described for devices and methods to convert first wavelength electromagnetic waves to a second wavelength. The devices may comprise a light source to produce first electromagnetic waves of the first wavelength.
Transcend Lighting Inc.


02/11/16
20160041399 

Six-primary solid state illuminator and operating method using the same


A six-primary solid state illuminator includes a first light source, a second light source, a third light source, a first photoluminescence device, a second photoluminescence device, and a multi-band filter. The first light source provides a light with a first wavelength.
Delta Electronics, Inc.


02/11/16
20160041034 

Color measuring apparatus, image forming apparatus and color measuring method


A color measurement device includes a light source for illuminating an object with light; a dispersing portion for spectrally dispersing light emitted and reflected by the object; a light receptor for receiving the light dispersed by the dispersing portion; and a controller for effecting color measurement based on a result of light reception of the light receptor from the object which is an image formed on a recording material; wherein the emitted light has a first intensity of light in a first wavelength range and a second intensity lower than the first intensity in a second wavelength range, and wherein the controller deduces a value relating to color measurement for the second wavelength range on the basis of a result of light reception of the light receptor for the first wavelength range.. .
Canon Kabushiki Kaisha


02/11/16
20160037999 

Light source apparatus


A light source apparatus includes: a control section that acquires information relating to a ratio of a light amount value for light with second wavelength band to a light amount value for light with first wavelength band, obtains a light amount value for the light with the first wavelength band so that an observation image has a predetermined brightness, and, from the information relating to the ratio, determines a light amount value for the light with the second wavelength band, and generates light adjustment information for making first and second semiconductor light sources emit light with the light amount value for the light with the first wavelength band and the light amount value for the light with the second wavelength band; and a drive section that, based on the light adjustment information generated by the control section, drives the first and second semiconductor light sources.. .
Olympus Corporation


02/04/16
20160036110 

Waveguide filter


An embodiment of the present invention discloses a waveguide filter, which includes a first waveguide at an upper layer and a second waveguide at a lower layer. The first waveguide and the second waveguide are isolated from each other by a metal isolation layer.
Huawei Technologies Co., Ltd.


02/04/16
20160033395 

Optical measuring an environmental parameter


An optical system for sensing an environmental parameter, comprising: a pulse generator for generating a first pulse having a first wavelength and a second pulse having a second wavelength; a pulse splitter for splitting each one of the first and second pulse into a sensing pulse and a reference pulse; a sensing arm for receiving the sensing pulses therefrom and comprising a spectro-ratiometric sensor; a reference arm for receiving the reference pulses; a time delay line for delaying a relative propagation of the sensing pulses and the reference pulses; a light detector for measuring an optical energy of the sensing pulse and the reference pulse, for the first and second wavelengths; and at least one optical link for optically connecting the pulse generator to the pulse splitter, and the sensing and reference arms to the light detector.. .
Institut National D'optique


02/04/16
20160030702 

Audio play device and method thereof and display device including audio play device


The present invention provides an audio play device for inducing a user to fall asleep and a method thereof. The audio play device comprises: an identifying module for identifying a user's state; a frequency adjusting module for adjusting the frequency of an initial audio signal according to the identified user's state to generate a first audio signal and a second audio signal having frequency difference, the initial audio signal being the audio signal from a program source; a generation module for generating a first sound wave according to the first audio signal and generating a second sound wave according to the second audio signal; and a playing module for causing the first sound wave and the second wave to enter left ear and right ear of the user respectively at the same time..
Beijing Boe Multimedia Technology Co., Ltd.


01/28/16
20160027230 

Banknote validator


Banknote validator that identifies banknote denomination from a specific color luminescence under appropriate ultraviolet light. Includes housing with banknote passageway; first uv source to irradiate test zone of banknote in passageway with uv light in a first wavelength range to create first excited luminescence light transmitted through and/or reflected from test zone; first color sensor to receive first excited luminescence light and to allow determining mean wavelength and amplitude of detected first excited luminescence light; second uv source to irradiate test zone of banknote with uv light in second wavelength range, distinct from first wavelength range, to create second excited luminescence light transmitted through and/or reflected from test zone; second color sensor to receive corresponding second excited luminescence light and to allow determining a mean wavelength and an amplitude of detected second excited luminescence light; a communicator to indicate a denomination of the banknote; and processor to determines banknote denomination..
Sicpa Holding Sa


01/28/16
20160025758 

Analyzer and automatic analyzer


To reduce the influence of air bubbles and dust in measuring scattered light beams on an automatic analyzer. A light source emits a light beam with a first wavelength 18a on a shorter wavelength side and a light beam with a second wavelength 18b on a longer wavelength side, and then, transmitted light beams 19a and 19b and scattered light beams 21a and 21b are received.
Hitachi High-technologies Corporation


01/28/16
20160025618 

Spectral ellipsometry measurement and data analysis device and related systems and methods


Spectral ellipsometry measurement systems are provided including a polarizer that rotates at a first angle and adjusts a polarizing direction of incident light of a measurement sample; a compensator that rotates at a second angle, different from the first angle, and adjusts a phase difference of the incident light; an analyzer that rotates at a third angle and adjusts a polarizing direction of light reflected on the measurement sample; a detector that detects a spectral image from the reflected light; a controller that controls one of the polarizer, the compensator, and the analyzer according to polarizer-compensator-analyzer (pca) angle sets including the first to third angles; and a processor that receives, from the detector, a first spectral image corresponding to a first pca angle set and a first wavelength and a second spectral image corresponding to a second pca angle set and a second wavelength, different from the first wavelength, and generates a polarizer-compensator-analyzer rotating (pcar) spectral matrix using the first and second spectral images.. .
Samsung Electronics Co., Ltd.


01/28/16
20160025302 

Light-emitting device and electronic apparatus


A light-emitting device includes a first pixel, a second pixel, and a third pixel. The first pixel includes a first light-emitting element that emits light in a first wavelength range.
Seiko Epson Corporation


01/28/16
20160023441 

Window layer for reflecting infrared lgiht


A window layer structure for reflecting an infrared light is disclosed, where the window layer not only reflects the infrared light having a first wavelength range by its window film layer, but also reflects the infrared light having a second wavelength range by using its cholesteric liquid crystal layer, so that the window layer structure may reflect the infrared light of a large portion of wavelengths and reduce an absorption of the infrared light. Therefore, the window layer for reflecting an infrared light may provide a more efficient isolation effect..
Yuan Ze University


01/28/16
20160022139 

Ophthalmic surgical microscope with adaptive optics for optical wavefront compensation


An ophthalmic surgical microscope can include a first light source configured to project a first light beam at an observer's eye. The microscope can include a first wavefront sensor.
Novartis Ag


01/21/16
20160021449 

Acoustic device


An acoustic device that has a neck loop that is constructed and arranged to be worn around the neck. The neck loop includes a housing with a first acoustic waveguide having a first sound outlet opening, and a second acoustic waveguide having a second sound outlet opening.
Bose Corporation


01/21/16
20160020499 

Millimeter waveband filter


In an end surface 32b of the second transmission line forming body 32 forming a second waveguide 30, the height of a central region 33 which includes an opening of the second transmission line 30b is a reference plane. A depressed portion 32e that is depressed to a depth greater than the length of a thread portion of a screw 205 from the reference plane is provided in a region outside the central region 33 and includes a screw hole forming position.
Anritsu Corporation


01/21/16
20160018740 

Exposure method, exposure apparatus, and manufacturing semiconductor device


According to one embodiment, an exposure method is disclosed. The method includes irradiating a first light and a second light on a mask including a plurality of light transmitting portions arranged in a periodic pattern.
Kabushiki Kaisha Toshiba


01/21/16
20160018574 

Dual aperture camera with improved color gamut and operating thereof


Disclosed is a dual aperture camera which includes a dual band filter and a cmos image sensor (cis). The dual band filter is adapted to filter light signals to receive a light signal of a first wavelength range and receive a light signal of a second wavelength range through a pin hole included therein.
Center For Integrated Smart Sensors Foundation


01/21/16
20160018069 

A dimable light emitting arrangement


A dimmable light emitting arrangement (100, 200, 300, 400) has a relatively low correlated color temperature in the dimmed state, and a relatively high and constant color rendering index. The dimmable light emitting arrangement (100, 200, 300, 400) comprises a first light source (10, 10a, 10b) adapted to emit light of a first wavelength range between 380 and 460 nm, a second light source (20, 20a, 20b) adapted to emit light of a second wavelength range between 570 and 610 nm, a first wavelength converting material (30), and a second wavelength converting material (40).
Koninklijke Philips N.v.


01/14/16
20160014863 

Circuits and methods for reducing flicker in an led light source


Method and circuits for balancing a first waveform used to drive an led are disclosed herein. The first waveform has a first cycle with a first amplitude and a second cycle with a second amplitude.
Texas Instruments Incorporated


01/14/16
20160011497 

Illumination device and projector


An illumination device includes: a light source that emits first light at a first wavelength; an integrator optical system that the first light enters; a wavelength conversion element that converts the first light transmitting through the integrator optical system into second light at a second wavelength different from the first wavelength; a wavelength separation element provided on an optical path of the first light between the integrator optical system and the wavelength conversion element; a pickup optical system that is provided between the wavelength conversion element and the wavelength separation element and receives the first light and the second light; and a chromatic aberration-correcting optical element provided at least one of between the integrator optical system and the wavelength separation element on the optical path of the first light and at downstream of the wavelength separation element on an optical path of the second light.. .
Seiko Epson Corporation


01/14/16
20160011371 

Low-loss waveguide transition


A waveguide device that includes a first waveguide, a second waveguide and a transition region. The first waveguide has a first height and the second waveguide has a second height different from the first height.
Acacia Communications, Inc.


01/14/16
20160011057 

Calibration of photoelectromagnetic sensor in a laser source


In a laser-produced plasma (lpp) extreme ultraviolet (euv) system, laser pulses are used to produce euv light. To determine the energy of individual laser pulses, a photoelectromagnetic (pem) detector is calibrated to a power meter using a calibration coefficient.
Asml Netherlands B.v.


01/14/16
20160011056 

Calibration of photoelectromagnetic sensor in a laser source


In a laser-produced plasma (lpp) extreme ultraviolet (euv) system, laser pulses are used to produce euv light. To determine the energy of individual laser pulses, a photoelectromagnetic (pem) detector is calibrated to a power meter using a calibration coefficient.
Asml Netherlands B.v.


01/14/16
20160009991 

Fluorescent material and light emitting device using same and manufacturing fluorescent material


A fluorescent material is provided that has improved luminance and can generate fluorescence by excitation light in wider wavelength range. A fluorescent material represented by a general formula laxceysi6n8+x+y, wherein 2.0≦x≦3.5, 0<y≦1.0, wherein the fluorescent material comprises 10 to 10000 ppm of ba and/or sr, and wherein a first wavelength and a second wavelength at which excitation intensities are 70% of the maximum of the excitation intensities are present in a wavelength range of 400 to 510 nm, the second wavelength being longer than the first wavelength, and a difference between the first wavelength and the second wavelength being 70 nm or more..
Nichia Corporation


01/07/16
20160007009 

Imaging device and a producing a three-dimensional image of an object


An imaging device includes an image sensor circuit including a pixel element. The pixel element is configured to receive during a first receiving time interval electromagnetic waves having a first wavelength, and to receive during a subsequent second receiving time interval electromagnetic waves having a second wavelength.
Infineon Technologies Dresden Gmbh


01/07/16
20160006995 

Image sensor including color separation element and image pickup apparatus including the image sensor


An image sensor includes a pixel array having a bayer pattern structure including a first pixel row in which first pixels and second pixels are alternately provided and a second pixel row in which additional ones of the second pixels and third pixels are alternately provided, a first element to control light of a first wavelength band to travel in directions toward left and right sides of the first element and to control light of a second wavelength band of the incident light to travel in a direction directly under the first element, and a second element to control light of a third wavelength band to travel in the directions toward the left and right sides of the second element and to control the light of the second wavelength band to travel in a direction directly under the second element.. .
Samsung Electronics Co., Ltd.


01/07/16
20160006533 

Optical element, light transmitting device, and light receiving device


An optical element includes: a first delayed interferometer; and a second delayed interferometer and a third delayed interferometer cascaded to the first delayed interferometer. The first delayed interferometer includes: a first optical coupler and a second optical coupler; a first waveguide between the first optical coupler and the second optical coupler; a second waveguide between the first optical coupler and the second optical coupler, the second waveguide being longer than the first waveguide; and a ring waveguide that is coupled to the first waveguide.
Photonics Electronics Technology Research Association


01/07/16
20160005779 

Photodetection device and sensor package


A photodetection device of the present invention includes a semiconductor substrate which is defined such that a first light-receiving portion and a second light-receiving portion are spaced from one another, and an optical filter which is formed on the semiconductor substrate, and includes a first filter which is disposed so as to cover the first light-receiving portion, to selectively allow an optic element in a first wavelength band to transmit through, and a second filter which is disposed so as to cover the second light-receiving portion, to selectively allow an optic element in a second wavelength band different from the first wavelength band, to transmit through, and the optical filter has a filter laminated structure which is defined such that edge portions of the first filter and the second filter overlap one another on a boundary region between the first light-receiving portion and the second light-receiving portion.. .
Rohm Co., Ltd.


01/07/16
20160005719 

Led lamp device having a fluorescent element shaped for uniform light conversion


An led lamp device includes a plurality of led elements separately mounted on a substrate and effective to emit light having a first wavelength. A fluorescent element includes a fluorescent material excitable by light emitted from the led elements to emit light of a second wavelength, and is arranged to cover each led element with no gaps provided between the fluorescent element and the substrate.
Panasonic Intellectual Property Management Co. Ltd.


01/07/16
20160003993 

Optical filter, optical filter module, spectrometric measurement apparatus, and optical apparatus


An optical filter includes: a first variable wavelength bandpass filter that can extract light of a first wavelength band (400 to 460 nm), the first wavelength band having a first spectral band having a central wavelength equal to a first wavelength in the first wavelength band and a second spectral band having a central wavelength equal to a second wavelength in the first wavelength band; and a second variable wavelength bandpass filter that can extract light of a second wavelength band (480 to 540 nm) adjacent to the first wavelength band, the second wavelength band having a third spectral band having a central wavelength equal to a third wavelength in the second wavelength band and a fourth spectral band having a central wavelength equal to a fourth wavelength in the second wavelength band.. .
Seiko Epson Corporation


01/07/16
20160003750 

Method and titration


Method for titration comprising: providing a solution comprising at least one titrand and at least one indicator; providing a titrant; performing titration by repeatedly: transmitting light through the solution; measuring an intensity of light transmitted through the solution at a first wave length; measuring an intensity of light transmitted through the solution at a second wave length; comparing the measured intensities of light transmitted through the solution at the first and second wave lengths with a target value; and adding titrant to the solution at a rate based on said comparing.. .
Opsis Ab


01/07/16
20160003611 

Aspherical surface measurement method, aspherical surface measurement apparatus, non-transitory computer-readable storage medium, processing apparatus of optical element, and optical element


An aspherical surface measurement method includes measuring a first wavefront of light from a standard surface having a known shape, measuring a second wavefront of light from an object surface having an aspherical shape, rotating the object surface around an optical axis and then measuring a third wavefront of light from the object surface, calculating error information of an optical system based on the first, second, and third wavefronts, calculating shapes of a plurality of partial regions of the object surface by using a design value of the optical system corrected based on the error information of the optical system and by using a plurality of measured wavefronts of lights from the partial regions of the object surface measured after the object surface is driven, and stitching the shapes of the partial regions of the object surface to calculate an entire shape of the object surface.. .
Canon Kabushiki Kaisha


01/07/16
20160000330 

Diagnostic instrument and method


A diagnostic instrument comprises a monochromatic light source, transmission means to transmit light from the light source to a test site, collection means to transmit scattered light from the test site, and spectral analysis apparatus to receive light from the collection means, the spectral analysis apparatus comprising a diffraction grating having a first grating element and a second grating element, wherein the first grating element diffracts light within a first wavelength range and the second grating element diffracts light within a second wavelength range, the spectral analysis apparatus further comprising a light-sensing apparatus, the first grating element arranged to diffract light onto a first area of the light-sensing apparatus and the second grating element arranged to diffract light onto a second area of the light-sensing apparatus.. .
National University Of Singapore


12/31/15
20150381277 

Optical transmission system, transmitter, receiver, and optical transmission method


An optical transmission system includes: a first light source configured to output a light wave of a first wavelength among a plurality of wavelengths; a second light source configured to output a light wave of a second wavelength; and a first detection section configured to detect abnormality in the light wave from the first light source, wherein upon detection of abnormality, a multiplexed optical signal including an optical signal of a modulated light wave generated using the light wave from the second light source in place of an optical signal of a modulated light wave generated using the light wave from the first light source is transmitted.. .
Fujitsu Limited


12/31/15
20150380815 

Apparatus and assembling a dual polarized agile cylindrical antenna array with reconfigurable radial waveguides


Embodiments are provided for an agile antenna that beamsteers radio frequency (rf) signals by selectively activating/de-activating tunable elements on radial-waveguides using direct current (dc) switches. The agile antenna device comprises a first radial waveguide structure encased in a first frame, a first line feed connected to the first waveguide structure, a second encased radial waveguide structure similar and coupled to the first waveguide structure.
Futurewei Technologies, Inc.


12/31/15
20150379755 

Apparatus and visualization


Based on heart behavior data, a computation unit determines a first time step at which a heart exhibits a first behavior in response to a first wave of an electrical signal, as well as a second time step at which the heart exhibits a second behavior in response to a second wave of the same. The computation unit reproduces the heart's behavior over time by updating a three-dimensional model of the heart according to the heart behavior data, simultaneously with variations in electrical signal strength over time according to electrocardiogram data.
The University Of Tokyo


12/31/15
20150379323 

Biometric object sensor and method


A biometric image sensor system and method is disclosed which may comprise a first light source having a first wavelength λ1, a second light source having a second wavelength λ2, a photodetector configured and positioned to receive light of the first wavelength λ1 and light of the second wavelength λ2 reflecting from a biometric object being imaged and to produce a first output indicative of the amount of reflectance of the light of the first wavelength λ1 and a second output indicative of the amount of reflectance of the light of the second wavelength λ2, and a computing device configured to compare the difference between the first output and the second output with an authenticity threshold.. .
Synaptics Incorporated


12/31/15
20150378183 

Nanophotonic spatial light modulator


A nanophotonic device includes at least two waveguides located on top of a transparent substrate, which form an intersection point at which a part of a first waveguide simultaneously constitutes a part of a second waveguide. A nanoscale element located on top of the intersection point so that it partially or completely covers the intersection point is switchable between two different states, which differ by a refractive index value.
Karlsruher Institut Für Technologie


12/31/15
20150378097 

Integrated waveguide coupler


A waveguide coupler includes a first waveguide and a second waveguide. The waveguide coupler also includes a connecting waveguide disposed between the first waveguide and the second waveguide.
Skorpios Technologies, Inc.


12/31/15
20150378069 

Light-diffusing member, manufacturing light-diffusing member, and display device


This light-diffusing member includes a light-transmissive substrate, a plurality of wavelength-controlling layers formed on one surface of the light-transmissive substrate, and a light-diffusing portion formed on the one surface of the light-transmissive substrate in a region other than a region where the wavelength-controlling layers are formed. The light-diffusing portion includes a light-emitting end-surface that makes contact with the light-transmissive substrate and a light-incident end-surface that is opposite to the light-emitting end-surface and that has an area greater than an area of the light-emitting end-surface, and is made of a photosensitive resin; a height of the light-diffusing portion from the light-incident end-surface to the light-emitting end-surface is greater than a thickness of the wavelength-controlling layers; and the wavelength-controlling layers have characteristics that an optical absorptance at a first wavelength in a ultraviolet wavelength band is higher than an optical absorptance at a second wavelength in a visible-light wavelength band..
Sharp Kabushiki Kaisha


12/31/15
20150378012 

Single chip scanning lidar and producing the same


A chip-scale scanning lidar includes a two dimensional (2d) scanning micromirror for a transmit beam and a 2d scanning micromirror for a receive beam, a laser diode and a photodetector, a first waveguide and first grating outcoupler coupled to a front facet of the laser diode, a second waveguide and a second grating outcoupler coupled to a rear facet of the laser diode on a substrate. A first fixed micromirror, a second micromirror, a third micromirror, and a focusing component are in a dielectric layer bonded to the substrate over the laser diode and photodetector.
Hrl Laboratories Llc




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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