This page is updated frequently with new Second Wave-related patent applications.
|| List of recent Second Wave-related patents
|Illumination device and projector|
An illumination device includes: a light-emitting element that emits light in a first wavelength band; a substrate rotatable about a predetermined axis of rotation; a phosphor layer that is provided on the substrate at a first distance from the axis of rotation and excited by the light in the first wavelength band to emit light in a second wavelength band different from the first wavelength band; a scattering layer that is provided on the substrate at a second distance, different from the first distance, from the axis of rotation and on which the light in the first wavelength band emitted from the light-emitting element is incident; a first pickup optical system that is provided on the side of the phosphor layer opposite to the substrate; and a second pickup optical system that is provided on the side of the scattering layer opposite to the substrate.. .
Seiko Epson Corporation
|Light source unit emitting the three primary colors of light and projector including the light source unit|
To provide a light source unit whose overall size is relatively small and a projector which incorporates the light source unit, there is provided a light source unit including a first light source device for emitting light in a first wavelength range, a second light source device which is disposed on an axis of the light in the first wavelength range and having a luminescent light emitting area for emitting light in a second wavelength range by receiving the light in the first wavelength range, and a third light source device which is disposed on the axis of the light in the first wavelength range so as to face the first light source device for emitting light in a third wavelength range.. .
Casio Computer Co., Ltd.
|Light-emitting device package and lighting apparatus including the same|
Embodiments provide a lead frame, a first light-emitting device disposed on the lead frame and configured to emit light in a first wavelength range and a second light-emitting device configured to emit light in a second wavelength range, which is different from the first wavelength range, and a molding part disposed to surround the first light-emitting device and the second light-emitting device. The molding part includes fluoro-based red phosphors, which are excited by the light emitted from at least one of the first light-emitting device and the second light-emitting device, and the red phosphors have a full width at half maximum within a range from 5 nm to 10 nm..
Lg Innotek Co., Ltd.
|Optical member, display device having the same and fabricating the same|
Disclosed are an optical member, a display device including the same, and a method of fabricating the same. The optical member includes a host layer; a plurality of first wavelength conversion particles in the host layer; and a plurality of second wavelength conversion particles in the host layer, wherein the first wavelength conversion particles include compound semiconductors, and the second wavelength conversion particles include phosphors..
Lg Innotek Co., Ltd.
|Quantum communication system and a quantum communication method|
A quantum communication system, comprising: a quantum transmitter optically coupled to a first waveguide; a first communication device optically coupled to a second waveguide; a multi-core optical fibre comprising a first core and a second core; a spatial multiplexing unit, configured to optically couple the first waveguide to the first core and the second waveguide to the second core.. .
Kabushiki Kaisha Toshiba
|Multiple electrode plane wave generator|
The invention may be embodied as an ultrasonic plane wave generator having a first sheet of piezoelectric material and a second sheet of piezoelectric material. A shared electrode may be between the first sheet and the second sheet.
|High efficiency fiber optical parametric oscillator|
An optical apparatus that includes an optical source that generates a first optical pulse with a first optical wavelength. The optical apparatus also includes an optical amplifier that outputs an amplified pulse.
The Arizona Board Of Regents On Behalf Of The University Of Arizona, A Body Corp
|Ophthalmologic imaging apparatus and ophthalmologic imaging method|
An ophthalmologic imaging apparatus that captures an image of a subject's eye is provided. The apparatus includes a focusing unit configured to focus light returned from the subject's eye that is illuminated by the light of a first wavelength, onto an imaging unit, and a moving unit configured to move the focusing unit based on an optical path length difference between the light of the first wavelength and the light of a second wavelength that is different from the first wavelength when light returned from the subject's eye that is illuminated by the light of the second wavelength is focused onto the imaging unit..
Canon Kabushiki Kaisha
An endoscope system includes an optical transmission section that is provided in an endoscope inserted into an interior of a subject and transmits illuminating light to a distal end, a light source section that generates light, a first lens section that receives the light, from the light source section and emits the light with characteristics of different spatial intensity distributions, a second lens section that causes the light emitted from the first lens section to enter the proximal end of the optical transmission section, a distance adjusting section that can adjust a distance, and a control section that controls the distance adjusting section that adjusts the distance between the first lens section and the second lens section so that amounts of the light of a first and second wavelength bands have a predetermined ratio of amount of light.. .
|Apparatus and methods for generating electromagnetic radiation|
An apparatus includes at least one conductive layer, an electromagnetic (em) wave source, and an electron source. The conductive layer has a thickness less than 5 nm.
Controlling mitigating rogue optical network unit (onu) in hybrid passive optical network (pon) system
A controlling method for mitigating a rogue behavior of an optical network unit (onu) having a wavelength-tunable function in a hybrid passive optical network (pon) system. The controlling method includes determining whether a first wavelength for an upstream signal received from the onu strays away from an allowable range for a second wavelength assigned to the onu, and, in response to a determination that the first wavelength strays away from the allowable range for the second wavelength, transmitting an upstream wavelength adjustment request message to the onu to adjust a wavelength for the upstream signal.
Electronics And Telecommunications Research Institute
Systems and methods for light amplification
A system for optical amplification includes an optical fiber with a core containing a gain medium surrounded by a cladding, a seed light source, a control light source, and a pump source. The seed light source transmits seed light, at a first wavelength and having a first linewidth greater than 100 mhz, into the core of the fiber.
According to one embodiment, a display device includes a first insulating substrate, a second insulating substrate, a first pixel electrode and a second pixel electrode, a wavelength conversion element to convert light of a first wavelength polarized in a first polarization direction into light of a second wavelength polarized in a second polarization direction, and a liquid crystal layer having a first thickness in an area opposed to the first pixel electrode, and having a second thickness greater than the first thickness in an area opposed to the second pixel electrode.. .
Japan Display Inc.
Light source device for endoscope, endoscope system, and operating light source device for endoscope
A light source device for an endoscope comprises a light source unit and a light source controller. The light source unit has leds independently emitting light of respective different colors, and emits first multicolor spectrum light having a first multicolor spectrum, into which the light from the leds is combined.
Method for manufacturing waveguide structures on wafer-level and corresponding waveguide structures
The waveguide structure can be manufactured on wafer-scale and comprises a holding structure and a first and a second waveguides each having a core and two end faces. The holding structure comprises a separation structure being arranged between the first and the second waveguide and provides an optical separation between the first and the second waveguide in a region between the end faces of the first and second waveguides.
Heptagon Micro Optics Pte. Ltd.
Micro-opto-electromechanical systems (moems) device
A micro-opto-electromechanical systems (moems) device is described. The device comprises at least one anchor on a chip; at least one spring connected to the anchor; at least one proof mass connected to the spring, the at least one proof mass being movable with respect to the chip; a movable optical element connected to the at least one proof mass; a first waveguide connected to the chip, the first waveguide being adapted for receiving light from a light source and a second waveguide connected to the chip, the second waveguide being adapted for operatively coupling to a photodetector and the movable optical element being disposed between the back end of the first waveguide and the front end of the second waveguide..
Light emitting device
Provided is a light emitting device with effectively improved color rendering properties. A light emitting device 1 includes: a light source 2 that emits light having the maximum intensity at a predetermined wavelength; a first phosphor (yellow phosphor) 51 that absorbs the light emitted by the light source 2 and outputs fluorescent light having the maximum intensity at a first wavelength which is longer than the predetermined wavelength; and a second phosphor (red phosphor) 52 that absorbs the light emitted by the light source 2 and outputs fluorescent light having the maximum intensity at a second wavelength which is longer than the first wavelength.
Sharp Kabushiki Kaisha
Methods of making and purifying carbon nanotubes
In one aspect, methods of making semiconducting single-walled carbon nanotubes are described herein. In some implementations, a method of making semiconducting single-walled carbon nanotubes comprises providing a plurality of semiconducting nanotube seeds including (n,m) nanotube seeds and non-(n,m) nanotube seeds.
The Boeing Company
Tunable laser and tuning a laser
The invention relates to a tunable laser, the tunable laser comprising a first waveguide, a second waveguide and a semiconductor layer being arranged to separate the first waveguide from the second waveguide. The first waveguide comprises a first coupling portion and an active portion for generating a laser signal.
Huawei Technologies Co., Ltd.
System for feeding high-frequency waves to deployment structure
Provided is a high-frequency wave feeding system capable of feeding microwaves with little loss and without addition of resistive noise, using a simple deployment mechanism. The system includes a first waveguide fixed to a first structure of a deployment structure and having a choke flange, and a second waveguide fixed to a second structure of the deployment structure and having a cover flange.
Japan Aerospace Exploration Agency
Improved garnet luminophore and process for production thereof and light source
The present invention relates to an improved garnet luminophore which can be excited in a first wavelength range by electromagnetic radiation, as a result of which electromagnetic radiation can be emitted by the garnet luminophore in a second wavelength range. The invention additionally relates to a process for production of an improved garnet luminophore and to a light source comprising the garnet luminophore of the invention.
Leuchtstoffwerk Breitungen Gmbh
Lighting device comprising at least two sets of leds
The invention provides a lighting device (100) comprising a first set of light emitting diodes (10) arranged to emit light (14) in a first wavelength range of 300 nm-490 nm, a second set of light emitting diodes (11) arranged to emit light (15) in a second wavelength range of 300 nm-490 nm, a first luminescent element (12) radiationally coupled to the first and second set of light emitting diodes and arranged to convert at least a part of the light of the first wavelength range and at least a part of the light of the second wavelength range into first luminescent element light, a second luminescent element (13) radiationally coupled to at least a subset of the second set of light emitting diodes and arranged to convert at least a part of the light (15) of the second wavelength range into second luminescent element light, wherein, during operation, the brightness level of the light (14) emitted by the first set of light emitting diodes (10) and the brightness level of the light (15) emitted by the second set of light emitting diodes (11), respectively, is controllable independently of each other and wherein the lighting device is arranged to generate white lighting device light (101).. .
Koninklijke Philips N.v.
Method and system for removing a pilot tone from an optical signal
The present applies to digital wavelength converters that convert, independently of the format in which optical data may be encoded, an input waveform at a first wavelength to an output waveform at a second wavelength. When operating in an environment where an input waveform has a pilot tone associated thereto, the method and system of the present disclosure allows for the removal of the pilot tone from the input waveform, and also allows for the addition of another pilot to the output waveform..
Wavelength converters, including polarization-enhanced carrier capture converters, for solid state lighting devices, and associated systems and methods
Wavelength converters, including polarization-enhanced carrier capture converters, for solid state lighting devices, and associated systems and methods are disclosed. A solid state radiative semiconductor structure in accordance with a particular embodiment includes a first region having a first value of a material characteristic and being positioned to receive radiation at a first wavelength.
Micron Technology, Inc.
Holographic display device
Provided is a holographic display device. The holographic display device includes a light source unit configured to emit a light, and a spatial light modulator (slm) configured to modulate at least one of a phase and amplitude of the light emitted from the light source unit to output a hologram image, and including a plurality of pixel groups that are arranged in a first direction, wherein each of the plurality of pixel groups includes: first pixels arranged in a matrix x1×y1 and providing an image having a first wavelength, and second pixels adjacent to the first pixels in the first direction, arranged in a matrix x2×y2, and providing an image having a second wavelength that is different from the first wavelength..
Electronics And Telecommunications Research Institute
Holographic waveguide eye tracker
An eye tracker having a first waveguide for propagating illumination light along a first waveguide path and propagating image light reflected from at least one surface of an eye along a second waveguide path. At least one grating lamina for deflecting the illumination light out of the first waveguide path towards the eye and deflecting the image light into the second waveguide path towards a detector is disposed adjacent an optical surface of the waveguide..
Polarization-split wavelength filter
A polarization-splitting and wavelength filter comprising an input waveguide for receiving an optical input with both a transverse electric (te) polarization and a transverse magnetic (tm) polarizations. The polarization-splitting and wavelength filter includes a first ring/racetrack resonator disposed along the input waveguide wherein the first ring/racetrack resonator includes a first coupler for coupling the te polarization of a first wavelength.
Method and systems to utilize network communications to synchronize welders and avoid interference
The invention described herein generally pertains to a system and method related to reducing magnetic interference between two or more arcs within a geographic proximity to one another performing a welding operation on a workpiece. In an embodiment, a first waveform used to create a first arc on the workpiece and a second waveform used to create a second arc on the workpiece can have a respective phase separated by a number of degrees.
Lincoln Global, Inc.
Apparatus for detecting a substance in a rod shaped article of the tobacco industry
An apparatus (1) for detecting a substance in a rod shaped article of the tobacco industry (2), the apparatus (1) including one or more sources (10,11) of electromagnetic radiation, one or more detectors (26, 27) and a processor (32). The one or more sources (10, 11) are configured to generate electromagnetic radiation at first and second wavelengths (λ1, λ2).
British American Tobacco (investments) Limited
Optical transmission apparatus, optical transmission system, and transmission wavelength control method
An optical transmission apparatus for transmitting wavelength-multiplexed light, the optical transmission apparatus includes: an optical transmitter configured to transmit light of a third wavelength to be arranged between a first wavelength and a second wavelength adjacent to the third wavelength in the wavelength-multiplexed light, and a controller configured to control a bandwidth of the light of the third wavelength to be arranged in a first bandwidth narrower than a spacing between the first wavelength and the second wavelength.. .
Summation of parallel modulated signals of different wavelengths
An optical transmitter is provided. The optical transmitter includes a first optical modulator configured to modulate a first optical carrier signal having a first wavelength and a first power using a first data bit to generate a first modulated output signal, a second optical modulator configured to modulate a second optical carrier signal having a second wavelength and a second power using a second data bit to generate a second modulated output signal, wherein the second optical modulator and the first optical modulator modulate in parallel, and an optical wavelength multiplexer configured to sum the first modulated output signal and the second modulated output signal into an analog signal suitable for transmission over an optical fiber..
Huawei Technologies Co., Ltd.
Image processing device, image processing method, and program
[solution] an image region where an object exists as a target region is detected on the basis of a second captured image, when a first captured image is a captured image obtained by selectively receiving a light of a first wavelength band, and the second captured image is a captured image obtained by selectively receiving a light of a second wavelength band, the captured images being obtained by capturing the object that is transparent for the light of the first wavelength band and is opaque for the light of the second wavelength band. Subsequently, an outline of the object is superimposed on the first captured image on the basis of information of the target region detected by the target detecting unit..
Illumination device and image display apparatus
An illumination device includes: an excitation light source that emits excitation light having a first wavelength; a fluorescent substance that, when irradiated with the excitation light, emits light having a second wavelength longer than the first wavelength and transmits a part of the excitation light, and thereby multiplexes and emits the transmitted excitation light having the first wavelength and the emitted excitation light having the second wavelength; and a driving unit that moves an irradiation position of the excitation light in the fluorescent substance with the passage of time.. .
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.. .
A multilayer mirror for reflecting extreme ultraviolet (euv) radiation, the mirror has a substrate and a stack of layers formed on the substrate. The stack of layers comprises layers including a low index material and a high index material, the low index material having a lower real part of the refractive index than the high index material at a given operating wavelength λ.
Carl Zeiss Smt Gmbh
Apparatus and simultaneously detecting surface pressure and blood volume
An apparatus for simultaneously detecting surface pressure and blood volume of an object and a method of detecting the same are provided. The apparatus includes a printed circuit board (pcb); a light emitter disposed on the pcb which emits light of a first wavelength and light of a second wavelength; a first light receiver which detects light of the first wavelength and a second light receiver which detects light of the second wavelength; a transparent elastic body on the pcb which covers the light emitter, the first light receiver, and the second light receiver; and a dichroic coating formed on the transparent elastic body.
Samsung Electronics Co., Ltd.
Systems and methods for creating a grow cycle
Systems and methods for creating a grow cycle are described. One embodiment of a method includes receiving a plant type for providing grow lighting and receiving first data for creating a first grow cycle for a first predetermined period of plant growth, where the first grow cycle includes providing a first wavelength of photon-emitting lighting.
Circle Design Technology, Llc
A coherent anti-stokes raman scattering apparatus for imaging a sample comprises an optical output; an optical source arranged to generate a first optical signal at a first wavelength; and a nonlinear element arranged to receive the first optical signal, where the nonlinear element is arranged to cause the first optical signal to undergo four-wave mixing on transmission through the nonlinear element such that a second optical signal at a second wavelength and a third optical signal at a third wavelength are generated, wherein an optical signal pair comprising two of the first, second and third optical signals is provided to the optical output for imaging the sample.. .
Device and all-optical information exchange
An all-optical information exchange device and method are provided. The all-optical information exchange device includes: a second-order nonlinear optical waveguide, a first optical coupler, a third optical coupler, a fourth optical coupler, a first optical filter, a second optical filter and a first polarization controller; the first optical filter is transmissive to a first wavelength/waveband signal light, and the second optical filter is transmissive to a second wavelength/waveband signal light during use..
Huawei Technologies Co., Ltd.
Plasmonic color polarizer and emissive type display including the same
An emissive type display device includes: a first insulation substrate; a light conversion layer formed proximate to an inner surface of the first insulation substrate; a plasmonic color polarization layer formed on the light conversion layer; a second insulation substrate having an inner surface that faces the inner surface of the first insulation substrate; and a liquid crystal layer interposed between the inner surfaces of the first insulation substrate and the second insulation substrate. The plasmonic color polarization layer is configured to polarize and transmit light having wavelengths within a first wavelength range, and to reflect light having wavelengths within a second wavelength range..
Samsung Display Co., Ltd.
Beam guiding apparatus
In one implementation, a beam guiding apparatus includes a vacuum chamber that includes a target region arranged to receive a target material for generating euv radiation. The vacuum chamber further includes a first opening for receiving into the vacuum chamber a first laser beam and a second opening for receiving into the vacuum chamber a second laser beam.
Trumpf Lasersystems For Semiconductor Manufacturing Gmbh
Opto-mechanical inertial sensor
Embodiments of the present disclosure are directed towards a micro-electromechanical system (mems) sensing apparatus, including a laser arrangement configured to generate a light beam, a first waveguide configured to receive and output the light beam, and a second waveguide aligned endface to endface with the first waveguide. The second waveguide may be configured to receive at least a portion of the light beam from the first waveguide via optical coupling through the aligned endfaces.
Spectrally enhanced white light for better visual acuity
A lighting configuration for providing improved vision acuity includes a first light source emitting light having a first wavelength peak in the range from 500 to 530 nm; a second light source emitting light having a second wavelength peak in the range from 600 to 640 nm; and a third light source emitting light having a third wavelength peak in the range from 440 to 460 nm. The radiated power at 555 nm is less than 15% of the radiated power at the wavelength of the second wavelength peak.
Gemex Consultancy B.v.
Positioning a medical device based on oxygen saturation measurements
A method that includes receiving first and second detection signals and electrocardiograph signals; wherein the first detection signals result from an illumination, by an oxygen saturation sensor included in a device that may be removably attached to a user, of a sternal angle of a user by infrared pulses; wherein the second detection signals result from an illumination, by the oxygen saturation sensor, of the sternal angle of a user by visible light pulses; wherein the electrocardiograph signals may be detected by an electrocardiography sensor that may be included in the device; generating a first waveform template that may be responsive to the first detection signals; generating a second waveform template that may be responsive to the second detection signals; calculating an indication of the oxygen saturation characteristic of the user in response to the first and second detection signals; detecting cardiac cycle durations that may be based upon the first and second detection signals; detecting electrocardiography based cardiac cycle durations; and evaluating a quality of the indication of the oxygen saturation characteristic of the user in response to the first waveform template, the second waveform template, the cardiac cycle's durations and the electrocardiography based cardiac cycle durations.. .
Lifewatch Technologies, Ltd.
A display panel includes a lighting device, a color conversion layer, and a reflective sheet. The lighting device at least includes a first lighting part emitting a first light of a first color having a wavelength within the first wavelength range and a second lighting part emitting a second light of the first color having a wavelength within a second wavelength range.
Enhanced emission from plasmonic coupled emitters for solid state lighting
There is provided an illumination device (100) comprising an energy source (102) for exciting a photon emitter; a first wavelength conversion layer (104) and a second wavelength conversion layer (106). At least one of the first and second wavelength conversion layer comprises a periodic plasmonic antenna array comprising a plurality of individual antenna elements (108).
Solid-state imaging device, layout data generating device and layout data generating method
A solid-state imaging device includes pixels respectively having photoelectric conversion units and arranged in matrix in basic pattern units, and an optical member arranged on the incidence side of incident light than the pixels and having constituent elements respectively corresponding to the pixels. The pixels include first, second and third wavelength range light pixels.
Detective device and detective method
A detective method for detecting a condition of a biochemical sample is provided. A first reference value and a second reference value are obtained.
Light-emitting arrangement with organic phosphor
The invention provides a light-emitting arrangement (100) comprising a light source (105) adapted to emit light of a first wavelength, and a wavelength converting member (106) arranged to receive light of said first wavelength and adapted to convert at least part of the light of said first wavelength to light of a second wavelength, said wavelength converting member comprising i) a carrier polymeric material comprising a polyester backbone comprising an aromatic moiety, and ii) at least one wavelength converting material of a specified general formula. The perylene derived compounds have been found to have excellent stability when incorporated into said matrix material..
Optical connector for endoscope
An optical connector for an endoscope has a first holding member which holds a first waveguide therein, a second holding member which holds a second waveguide therein and replaceable replacement members which intervenes between the first holding member and the second holding member so that replacement waveguides intervenes between the waveguides and is optically coupled to the waveguides. The optical connector has attachment members and a positioning mechanism which positions the holding members and the replacement members relative to one another..
Broadband waveguide based optical coupler
An apparatus having a first waveguide, a second waveguide, a third waveguide, a fourth waveguide, and a fifth waveguide is described. A symmetric coupler has a proximal end and a distal end.
Polarization conversion element
A polarization conversion element is disclosed in which an optical waveguide formed on a substrate sequentially includes a first waveguide portion, a polarization rotation portion, and a second waveguide portion, an effective refractive index of a te mode having the highest effective refractive index in an eigen mode of waveguide light on a sectional surface of the first waveguide portion is higher than an effective refractive index of a tm mode having the highest effective refractive index, an effective refractive index of the tm mode having the highest effective refractive index on a sectional surface of the second waveguide portion is higher than an effective refractive index of the te mode having the highest effective refractive index, and heights of waveguide structures (for example, cores) of the first waveguide portion and the second waveguide portion are equal to each other.. .
Active waveguide optical gyroscope
The present application is directed an optical gyroscope. The optical gyroscope includes a substrate including a first and a second waveguide disposed thereon.
Light module and providing wavelength-converted light in the red spectral range and projection device therefor
A light module may include a conversion means, which is designed to absorb excitation radiation having a first wavelength of an absorption spectrum and to convert it into light having a second wavelength of an emission spectrum. The light module includes an excitation radiation source designed to emit excitation radiation.
Color filter array and image sensor having the same
A color filter array includes a plurality of first pixels transmitting light having visible wavelengths, a plurality of second pixels transmitting light having a first range of wavelengths in the visible spectrum, a plurality of third pixels transmitting light having a second range of wavelengths in the visible spectrum, and a plurality of crosstalk detection pixels each including a first half pixel and a second half pixel, wherein the first half pixel transmits light having first wavelengths in a part of the first range, and wherein the second half pixel partially transmits light having second wavelengths in a part of the second range.. .
Sk Hynix Inc.
Solid-state imaging apparatus and imaging system
A solid-state imaging apparatus, comprising a plurality of pixels arrayed on a substrate, and element isolation regions formed between the plurality of pixels on the substrate, wherein the plurality of pixels include a first pixel including a first color filter for passing light having a first wavelength, a second pixel including a second color filter for passing light having a second wavelength longer than the first wavelength, and a pixel for focus detection including a light-shielding pattern arranged on the photoelectric conversion portion to limit light entering the photoelectric conversion portion, and among the element isolation regions, a first region between the pixel for focus detection and the first pixel has a potential barrier against a signal charge, which is lower than that of a second region between the first pixel and the second pixel.. .
Canon Kabushiki Kaisha
Optical coupler provided with a structuration
The invention relates to an optical coupler (10) in a vertical configuration, capable of working for a wavelength and comprising a first waveguide (12) and a second waveguide (14). The second waveguide (14) has a patterning (33) in the form of a series of patterns (36), the patterns (36) extending along a transverse direction (x) perpendicular to the longitudinal direction (z), being parallel to each other and orthogonal to the general direction of the first waveguide (12), each pattern (36) being arranged both in the core (30) and the cladding (32) of the second waveguide (14) and having parameters influencing the evanescent wave coupling between the first waveguide (12) and the second waveguide (14), said parameters being chosen such that the coupling (c) is greater than 15%..
Light source device and endoscope apparatus comprising the same
A light source device includes a first semiconductor light source, a second semiconductor light source, and a wavelength converter. The first semiconductor light source emits light in a first wavelength range.
Color rendering index tunable lamp and luminaire
The invention provides a provides a lighting unit (100) comprising a first light source (110), a second light source (210), a first wavelength converting (1100), a second wavelength converting element (2100), wherein the lighting unit further comprises a transport infrastructure (20) configured to arrange the first light source, the second light source, the first wavelength converting element, and the second wavelength converting element in a first configuration or a second configuration by transport of one or more of these, wherein in the first configuration and the second configuration the lighting unit provides lighting unit light having substantially the same color point while having different color rendering indices. With such lighting unit, it is possible to switch between high cri-low efficiency and low cri-high efficiency at a given color temperature (or color point)..
Koninklijke Philips N.v.
System and generating high energy optical pulses with arbitrary waveform
A system for generating an optical signal having a preselected waveform includes: a laser source; a first waveform generator configured to apply a first signal to the laser source to create a laser output; an intensity modulator configured to receive the laser output; a second waveform generator configured to apply a second signal to the intensity modulator, the intensity modulator being configured to generate a pre-distorted laser signal based on the second signal and the laser output.. .
Wavelength converted semiconductor light emitting device
In embodiments of the invention, a light emitting device includes a semiconductor structure including a light emitting layer disposed between an n-type region and a p-type region. A first wavelength converting layer is disposed in a path of light emitted by the light emitting layer.
Koninklijke Philips N.v.
Dual spectral imager with no moving parts
A device images radiation from a scene in two wavelength bands. An uncooled detector of the radiation includes two separate detector regions.
Ci Systems (israel) Ltd.
Light emitting arrangement with adapted output spectrum
A light-emitting arrangement (100) is disclosed, which is adapted to produce white output light enhancing the color perception of e.g. Food in retail environments.
Koninklijke Philips N.v.
Compounds, systems, and methods for monitoring and treating a surface of a subject
Compounds, systems, and methods are provided for the design and assembly of a non-invasive, analyte sensing dressing. The dressing can be therapeutic.
Scattered-light smoke detector with a two-color light-emitting diode
A scattered-light smoke detector includes a detector unit that operates according to the scattered-light principle. The detector unit includes a light-emitting diode (led) to irradiate particles to be detected and a spectrally sensitive photosensor to detect the light scattered by the particles.
Siemens Schweiz Ag
Methods for monitoring strain and temperature in a hot gas path component
A method of monitoring a surface temperature of a hot gas path component includes directing an excitation beam having an excitation wavelength at a layer of a sensor material composition deposited on a hot gas path component to induce a fluorescent radiation. The method includes measuring fluorescent radiation emitted by the sensor material composition.
General Electric Company
A marker lamp mounted on a vehicle includes a light source unit (7) including an organic el element (10). The light source unit (7) includes a first light emitting part (12a) for emitting red light of a first wavelength band and a second light emitting part (12b) for emitting red light of a second wavelength band different from the first wavelength band..
Koito Manufacturing Co., Ltd.
Optical transmission apparatus and wavelength calibration method
An optical transmission apparatus, includes: a reference-wavelength light source configured to generate reference light; a reference wavemeter configured to be calibrated by using the reference light; a receiver configured to receive measurement light transmitted from another optical transmission apparatus and wavelength information about the measurement light; and a controller, wherein the controller configured to: detect error between a first wavelength of the measurement light detected by using the reference wavemeter, and a second wavelength included in the wavelength information; and send error information that represents the error to the another optical transmission apparatus.. .
Device and optical beam combination
An optical apparatus includes a first beam combining device arranged to receive a first optical beam having a first wavelength at a first location and a second optical beam output having a second wavelength at a second location. The second optical beam has a polarization that is substantially orthogonal to a polarization of the first optical beam.
Futurewei Technologies, Inc.
Fiber optic distributed vibration sensing with wavenumber sensitivity correction
An apparatus and method for correcting the wavenumber sensitivity of a distributed fiber optic sensor are disclosed. The distributed fiber optic sensor is deployed in a region of interest to measure a characteristic of an incident acoustic wavefield.
Schlumberger Technology Corporation
Dual wavelength dual interferometer with combiner-splitter
The system includes a dual interferometer sub-system including a first and second channel. The system includes an illumination source.
Light emitting diode module with three part color matching
A light emitting diode module is produced using at least one led and at least two selectable components that form a light mixing chamber. First and second selectable components have first and second types of wavelength converting materials with different wavelength converting characteristics.
Steel cord for tire reinforcement
A steel cord for tire reinforcement according to the present invention is elongated in one direction and comprises a plurality of strands twisted periodically on one another, and the steel cord for tire reinforcement is characterized in that the steel cord is formed to have a first waveform having a first waveform surface and a second waveform having a second waveform surface, the first and second waveforms are formed to overlap each other, and a predetermined inclined angle is defined between the normal of the first waveform surface of the first waveform and the normal of the second waveform surface of the second waveform.. .
Hongduk Industrial Co., Ltd.
Vein scanner with user interface for controlling imaging parameters
A portable handheld vein-image-enhancing device broadly includes: a first laser emitting a beam of light at a first wavelength; a second laser emitting a beam of light at a second wavelength; a scanner to scan the beams of light onto the target surface; a photo detector to receive the reflected vein image and convert the image into a signal, for use by the second laser and scanner to project the image onto the target surface; and a user interface and electronic circuitry to permit adjustments to one or more of the following imaging parameters: a vein size parameter to set a vein size to be imaged by the device; a field of view size; a size for a field of high resolution for the projected image; a brightness of the projected image; and a laser output intensity parameter setting a depth of penetration by the first wavelength for the imaging.. .
Image sensor, manufacturing the same, and image processing device having the image sensor
An image sensor comprising: a first layer having a plurality of groups of photodiodes formed in a semiconductor substrate, each group representing a 2×2 array of photodiodes, with 2 first pixels configured to detect light of a first wavelength and 2 second pixels configured to detect light of a second wavelength, each first pixel positioned adjacent to the second pixels; and a second layer overlapping the first layer, the second layer is organic, having a plurality of organic photodiodes configured to detect light of a third wavelength, each organic photodiode positioned to partially overlap 2 first photodiodes and 2 second photodiodes of the first layer.. .
Samsung Electronics Co., Ltd.
The embodiments of this disclosure provide an optical module, which expands the network bandwidth, eases a problem on dynamic bandwidth allocation. The optical module comprises an optical transceiver assembly and a control circuit, wherein the optical transceiver assembly comprises a first optical emitter and a second optical emitter; the control circuit is configured to control the first optical emitter to generate an optical signal of a first waveband, and the first optical emitter is configured to emit the optical signal of the first waveband to a transmission optical fiber; or, the control circuit is configured to control the second optical emitter to generate an optical signal of a second waveband, and the second optical emitter is configured to emit the optical signal of the second waveband to the transmission optical fiber.
Hisense Broadband Multimedia Technologies Co., Ltd.
Light emitting device
A light emitting device includes an epitaxial structure and a sheet-shaped wavelength converting layer. The sheet-shaped wavelength converting layer is disposed on the epitaxial structure and at least includes a first wavelength converting unit layer and a second wavelength converting unit layer.
Led lighting arrangement including light emitting phosphor
A method of manufacturing an led lighting arrangement, comprises: receiving an optical component having a diffusing material that is light diffusive and at least one photoluminescent material that is excitable by light of a first wavelength range and which emits light of a second wavelength range; receiving an led assembly that is operable to generate the light of the first wavelength range and mounting the optical component to the led assembly to form the led lighting arrangement. The optical component having the diffusing and photoluminescent materials is mass produced separately from the led assembly and can be selected such that light generated by the optical component combined with the light generated by the led assembly corresponds to light of a selected color.
Imaging apparatus comprising coding element and spectroscopic system comprising the imaging apparatus
An imaging apparatus according to an aspect of the present disclosure includes a first coding element that includes regions arrayed two-dimensionally in an optical path of light incident from an object, and an image sensor. Each of the regions includes first and second regions.
Panasonic Intellectual Property Management Co., Ltd.
Double layer release temporary bond and debond processes and systems
A bonded structure contains a substrate containing at least one feature, the substrate having a top surface; a first release layer overlying the top surface of the substrate, the first release layer being absorptive of light having a first wavelength for being decomposed by the light; an adhesive layer overlying the first release layer, and a second release layer overlying the adhesive layer. The second release layer is absorptive of light having a second wavelength for being decomposed by the light having the second wavelength.
International Business Machines Corporation
Automatic focusing optical assembly, system and method
An automatic focusing optical system and assembly including an objective lens subassembly, a sensor electronically connected to a processor, and a dichroic filter for passing light of a first wavelength to the sensor and reflecting light of a second wavelength. A method of auto-focusing including receiving an image of an object comprising a first wavelength and a second wavelength, wherein the first wavelength is passed through a dichroic filter to a sensor and the second wavelength reflected, analyzing the distance of the object based on the first wavelength, generating at least one signal to an objective lens subassembly comprising a drive mechanism arranged to displace an optical lens, and displacing an optical lens along an optical axis to focus the image..
Two-stage adiabatically coupled photonic systems
In an example, a coupled system includes a first waveguide, at least one second waveguide, and an interposer. The first waveguide has a first refractive index n1 and a tapered end.
Infrared detection and imaging device with no moving parts
A device images radiation from a scene. A detector is sensitive to the radiation in a first wavelength band.
Ci Systems (israel) Ltd.
Imaging control device
An imaging system 1 includes an imaging control device 10, an imaging device 20, and a light emitting device 30. The imaging control device 10 is provided for controlling the imaging device 20 and the light emitting device 30, and includes an evaluation unit 13, a light reception adjustment unit 14, and a light emission adjustment unit 15.
Thine Electronics, Inc.
Generator of at least three coherent laser beams in the infrared and visible domain
According to a first aspect, the invention relates to a generator of at least three coherent laser beams at least one beam of which is in the infrared domain and at least one beam of which is in the visible domain, comprising: an elementary source for emitting a first continuous-wave laser beam, at a first given infrared wavelength; a nonlinear crystal frequency doubler, allowing, from a first beam sampled from the first laser beam at the first wavelength, a second laser beam to be generated at a second wavelength; and a nonlinear crystal sum frequency generator, allowing, from a second beam sampled from the first laser beam at the first wavelength and from the second laser beam at the second wavelength, a third laser beam to be generated at a third wavelength.. .
Centre Nationale De La Recherche Scientifique - Cnrs
Methods and devices for transformation of collected data for improved visualization capability
Computing systems and methods for improving imaging of collected data are disclosed. In one embodiment, a first wavefield is propagated to obtain a first wavefield history; the first wavefield is again propagated to obtain a second wavefield history, wherein the propagation includes integration of one or more q-effects; a first attenuated traveltime history is estimated based at least in part on the first and second wavefield histories; a first q-model filter is calculated based at least in part on the first estimated attenuated traveltime; and a first adjusted wavefield is generated based at least in part on application of the first q-model filter to the first wavefield.
Method of and correcting for intensity deviations in a spectrometer
A method of determining a pathlength deviation of a sample (610), the method comprising: exposing the sample (610) to electromagnetic radiation at a plurality of wavenumbers, determining electromagnetic absorption in the sample (610) at the plurality of wavenumbers, determining a first wavenumber associated with a first absorption level of an absorption band and a second wavenumber associated with a second absorption level of the absorption band, wherein the second wavenumber is different from the first wavenumber, determining a difference between the first wavenumber and the second wavenumber, and determining the pathlength deviation based on the difference.. .
Foss Analytical A/s
Method and device for generating image showing concentration distribution of biological substances in biological tissue
Generating an image of a molar concentration ratio between a first and second biological substance, an absorption spectrum of the first and second biological substance within a predetermined wavelength range including a first, second, third, and fourth isosbestic point, acquiring first imaging data of the tissue using light extracted from white light using a first filter to collectively selectively extract light in a first wavelength range demarcated by the first and second isosbestic point, light in a second wavelength range demarcated by the second and third isosbestic point, and light in a third wavelength range demarcated by the third and fourth isosbestic point; acquiring second imaging data by taking an image of the tissue using light from the white light using a second optical filter to selectively extract light in the second wavelength range; and generating the distribution image on the basis of the first and second imaging data.. .
Method and system for silicon photonics wavelength division multiplexing transceivers
Methods and systems for silicon photonics wavelength division multiplexing transceivers are disclosed and may include, in a transceiver integrated in a silicon photonics chip: generating a first modulated output optical signal at a first wavelength utilizing a first electrical signal, generating a second modulated output optical signal at a second wavelength utilizing a second electrical signal, communicating the first and second modulated output optical signals into an optical fiber coupled to the chip utilizing a multiplexing grating coupler in the chip. A received input optical signal may be split into a modulated input optical signal at the first wavelength and a modulated input optical signal at the second wavelength utilizing a demultiplexing grating coupler in the chip.
A coherent dynamically controllable narrow band light source
Disclosed herein is a coherent dynamically controllable narrow band light source (10), comprising a first sub-light source (12), said first sub-light source being electrically controllable such as to generate controllable time-dependent intensity patterns of light having a first wavelength, a raman active medium (30) suitable to cause raman scattering of light having said first wavelength, a second sub-light source (20) capable of emitting light with a second wavelength, said second wavelength being longer than said first wavelength, and an optical fiber or wave guide, wherein said light emitted by said first and second sub-light sources traverses a length of said optical fiber (30) or wave guide in a feed-forward configuration to facilitate a non-linear wavelength conversion step involving said raman-active medium. At least one of said first and second sub-light sources (12, 20) has a coherence length longer than 0.05 mm, preferably longer than 0.5 mm and most preferably longer than 2 mm..
Method for performing frequency band splitting
A frequency band splitter is disclosed. The frequency band splitter includes a first, a second, and a third waveguides.
International Business Machines Corporation
Method for performing frequency band splitting
A frequency band splitter is disclosed. The frequency band splitter includes a first, a second, and a third waveguides, a first narrow rectangular waveguide is utilized to connect the first waveguide to second waveguide.
International Business Machines Corporation
Stacked type image sensor including color separation element and image pickup apparatus including stacked type image sensor
A stacked type image sensor including color separation elements, and an image pickup apparatus including the stacked type image sensor, are provided. The stacked type image sensor includes a first light sensing layer including first pixels configured to absorb and detect light of a first wavelength band and transmit light of a second wavelength band and a third wavelength band, and a second light sensing layer disposed to face the first light sensing layer, the second light sensing layer including second pixels configured to detect light of the second wavelength band and third pixels configured to detect light of the third wavelength band.
Samsung Electronics Co., Ltd.
Deep ulatraviolet laser generation device and light source device
In one embodiment, the present disclosure provides a deep ultraviolet laser generation device 1000 having a first laser source 100 at a first wavelength between 1.87 μm and 2.1 μm, a second laser source 200 at a second wavelength between 1.53 μm and 1.57 μm, a nonlinear wavelength conversion element 3 for generating near-infrared light 31 at a wavelength between 841 nm and 899 nm through a sum-frequency mixing (sfm) process, a nonlinear wavelength conversion element 4 for generating blue light 41 at a wavelength between 420 nm and 450 nm from the near-infrared light through a second harmonic generation (shg) process, and a third nonlinear wavelength conversion element 5 for generating deep ultraviolet light 51 at a wavelength between 210 nm and 225 nm from the blue light, through another shg process. The first laser source may be a thulium-doped laser source or a thulium-doped fiber source, and the second laser source may be a semiconductor laser source, an erbium-doped fiber source, or an erbium/ytterbium-doped fiber source..
Compact multispectral wide angle refractive optical system
A multispectral wide angle refractive optical device for focusing light from a first waveband and a non-overlapping second waveband is presented. A first element formed of a first material receives incident radiation.
Object detecting apparatus
An object detecting apparatus includes a distance calculator that calculates a distance to the object, a wave height acquirer that acquires a respective peak value of the plurality of reflected waves, and multiple reflection determiner. When a reflected wave for which a first distance to the object is calculated to be the smallest in the reflected waves is defined as a first wave, and another reflected wave to which a second distance is calculated as twice or more integer times the first distance calculated for the first wave and a difference of the peak value relative to the first wave which is larger than a predetermined value is present in the reflected waves, the multiple reflection determiner determines that multiple reflection is occurring in a second wave or thereafter..
Toyota Jidosha Kabushiki Kaisha
Optical spectroscopy device, process of making the same, and using the same
An optical spectroscopy device includes a first cladding layer is positioned over a photodetector. An optical core region is over the first cladding layer where the optical core region is configured to receive a light beam.
Taiwan Semiconductor Manufacturing Company, Ltd.
Phosphor device and manufacturing method thereof
A phosphor device of an illumination system, which emits a first waveband light, includes a substrate and a first phosphor layer. The first phosphor layer includes a first phosphor agent and a second phosphor agent.
Delta Electronics, Inc.