This page is updated frequently with new Second Wave-related patent applications.
|Light emitting arrangement with adjustable emission spectrum|
A light emitting arrangement is adapted to produce white output light of a total luminous intensity itot and having an emission peak in the wavelength range of from 400 to 440 nm, comprising: a first light emitting element adapted to emit light of a first luminous intensity i1 and having an emission peak in a first wavelength range of from 440 to 460 nm; and a second light emitting element adapted to emit light of a second luminous intensity i2 and having an emission peak in a second wavelength range of from 380 to 440 nm, wherein the first light emitting element and the second light emitting element are independently controllable such that i2 can be adjusted independently of i1. The possibility of controlling the contribution of deep blue light allows a natural appearance of a crisp white light source at all emission intensities, and may also be used to enhance perception of contrast..
Philips Lighting Holding B.v.
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.
|Optical communication device, optical communication system and optical communication method|
An optical communication device equipped with: a reception unit that receives a wavelength-multiplexed optical signal; a demultiplexing unit that demultiplexes the wavelength-multiplexed optical signal into first demultiplexed light that includes a first wavelength and second demultiplexed light that includes a second wavelength; a processing unit capable of performing a prescribed process on a signal possessed by the first demultiplexed light; and a multiplexing unit that multiplexes the first demultiplexed light on which the prescribed process had been performed and the second demultiplexed light, and then outputs the resulting multiplexed light.. .
|Taps for bidirectional high-speed data on optical fibers|
A system for monitoring data traversing a bidirectional optical fiber includes a network tap. The network tap includes first and second network ports for bidirectional data transmission over a first optical fiber.
|Method and system for widely tunable laser|
A widely tunable laser system includes a substrate, first and second lasers, an output and at least one optical combining device. The first laser is integrated with the substrate, includes a gain medium that includes a first material, and emits light at a wavelength that is tunable within a first wavelength range that is determined at least in part by the first material.
Skorpios Technologies, Inc.
|Laser apparatus with dispersion control|
The invention relates to a laser apparatus comprising a laser radiation source which generates pulsed laser radiation, wherein the laser radiation has spectral components in at least two wavelength ranges that differ from one another—a first wavelength range (w1) and a second wavelength range (w2)—, and comprising a dispersion control element comprising at least one dielectric multilayer mirror (mcm), wherein the laser radiation is reflected one or more times at the multilayer mirror (mcm). It is an object of the invention to provide a laser apparatus which is improved over the prior art.
Toptica Photonics Ag
|Systems and methods for photonic polarization rotators|
An integrated non-reciprocal polarization rotator comprises a substrate, a faraday crystal, a first waveguide, and a second waveguide. The substrate has a recess extending to a predetermined depth.
Skorpios Technologies, Inc.
|Particle measuring apparatus|
A particle measuring apparatus includes a flow cell configured to flow a specimen, a first light source configured to emit light having a first wavelength, and a second light source configured to emit light having a second wavelength different from the first wavelength. An irradiation optical system is configured to irradiate the flow cell with light emitted from the first light source and the second light source.
|Seeker head and air vehicle including same|
A cover assembly is provided, for use with an instrument package having a common aperture. The cover assembly includes an inner cover member and an outer radome member.
Israel Aerospace Industries Ltd.
|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.
System and a three-dimensional optical switch display (osd) device
The present invention includes a system, apparatus and method for generating a three-dimensional image, the system comprising: a medium comprising a optical molecular switch molecule, wherein the optical molecular switch molecule has a non-fluorescent state and a fluorescent state, wherein at one wavelength of optical excitation the molecule has a first state, and at a second state the molecule fluoresces a second wavelength of excitation; and at least a first light source and a second light source into the medium, wherein light emitted by the at least first and second light sources are directed to contact the optical molecular switch molecule, e.g., scanning, weaving, diagonally or other pattern; wherein the optical molecular switch molecule is converted into a fluorescent “on state” by irradiation from the first light source, and the second light causes the optical molecular switch to emit light.. .
Southern Methodist University
Solid-state laser device based on a twisted-mode cavity and a volume grating
The present invention describes a solid-state laser device based on a twisted-mode cavity and a volume grating, which comprises: a pumping source for emitting pump light; an optical resonator, which comprises: a cavity mirror, which is a high reflective mirror for introducing the pump light into the optical resonator; an output coupler, which is a reflective volume bragg grating spaced away from the cavity mirror; a twisted-mode cavity, which includes: a first wave plate, located at one side close to the pumping source; a second wave plate, located at another side far away from the pumping source; a gain medium, located between the first wave plate and the second wave plate for generating a fundamental frequency laser; a focusing unit, located between the pumping source and the optical resonator for focusing the pump light emitting from the pumping source to the optical resonator.. .
Ii-vi Suwtech, Inc.
Plasma processing apparatus
Detection accuracy of a power of a progressive wave and detection accuracy of a power of a reflection wave can be improved. In a plasma processing apparatus, a first directional coupler is provided in a first waveguide which is configured to connect a microwave generating unit and a first port of a circulator.
Tokyo Electron Limited
Dual-wavelength optical parametric oscillator
An optical parametric oscillator (3) is configured to provide first ultrashort output pulses comprising light of a first wavelength and second ultrashort output pulses comprising light of a second wavelength, wherein at least one of the first and second wavelengths is independently controllable. The optical parametric oscillator (3) comprises an optical resonator (10) containing first and second nonlinear optical elements (11, 12) and comprising an output coupler (13), an input system (14) configured to provide first pump pulses to the first nonlinear optical element (11) and second pump pulses to the second nonlinear optical element (12), and a control system (15)..
Institucio Catalana De Recerca I Estudis Avancats (icrea)
Polarization selection color filter and display device having the same
A polarization selection color filter includes: a first color conversion layer including a plurality of first quantum rods absorbing light of a first wavelength and emitting light of a second wavelength that is longer than the first wavelength; and a second color conversion layer including a plurality of second quantum rods disposed on the first color conversion layer, absorbing the light of the second wavelength and emitting light of a third wavelength that is longer than the second wavelength. The polarization selection color filter is applicable to a color filter array of a display device and may improve a contrast ratio..
Samsung Display Co., Ltd.
Electrical stimulation device, training apparatus, and electrical stimulation method
Provided is an electrical stimulation device including a first to fourth electrodes, and an electrical stimulation generation section which supplies an electrical stimulation signal to each of the first to fourth electrodes. The electrical stimulation generation section supplies, to the first and second electrodes, an electrical stimulation signal according to a first stimulation pattern, and supplies, to the third and fourth electrodes, an electrical stimulation signal according to a second stimulation pattern.
The University Of Electro-communications
Modular automated growing system
A growth system for growing vegetation is provided, and includes a plurality of modular growing units defining a vegetative zone; a plurality of lighting units including a lighting node for selectively emitting first and/or second wavelengths of light in the vegetative zone; an unpressurized reservoir for housing a fluid containing one or more nutrients; a nutrient feeding system for fluidly connecting each of the modular units to the reservoir in parallel; and a pump in fluid communication between the reservoir and the modular units. When a modular unit is connected to the respective quick connect valve, the nutrient feeding system directs the fluid to the modular unit, and when the modular unit is disconnected from the valve, the valve is configured for preventing the fluid from flowing from the reservoir through the valve, and the other modular units connected to the nutrient feeding system remain fluidly connected to the reservoir..
Optical isolation module
An optical source for a photolithography tool includes a source configured to emit a first beam of light and a second beam of light, the first beam of light having a first wavelength, and the second beam of light having a second wavelength, the first and second wavelengths being different; an amplifier configured to amplify the first beam of light and the second beam of light to produce, respectively, a first amplified light beam and a second amplified light beam; and an optical isolator between the source and the amplifier, the optical isolator including: a plurality of dichroic optical elements, and an optical modulator between two of the dichroic optical elements.. .
Asml Netherlands B.v.
Optical transmitter and optical transmission method
Embodiments of the present invention disclose an optical transmitter and an optical transmission method. An embodiment of the present invention includes a directly modulated laser array and a micro-ring group array, where the directly modulated laser array may output multiple channels of optical signals, each directly modulated laser is correspondingly provided with one circular waveguide group and one first waveguide, each circular waveguide group may couple a part of optical signals output by a directly modulated laser corresponding to the circular waveguide group to a same second waveguide, and the second waveguide aggregates optical signals from circular waveguide groups and outputs an aggregated optical signals.
Huawei Technologies Co., Ltd.
A laser apparatus includes first and second gain media; first, second, and third wavelength selection filters; and first and second mirrors. The wavelengths of first and second laser light emitted from end surfaces of the first and second gain media, respectively, are different from each other.
Edge emitting semiconductor laser system
A laser system includes an edge emitting semiconductor laser, and an optical fiber, wherein the laser emits one or more laser beams coupled into the optical fiber and the laser includes a semiconductor body including a waveguide region that includes first and second waveguide layers and an active layer arranged between the first and second waveguide layers and generates laser radiation, the waveguide region is arranged between first and second cladding layers disposed downstream of the waveguide region, a phase structure is formed in the semiconductor body, includes a cutout extending from a top side of the semiconductor body into the second cladding layer, at least one first intermediate layer composed of a semiconductor material different from the material of the second cladding layer is embedded therein, and the cutout extends from the top side of the semiconductor body at least partly into the first intermediate layer.. .
Osram Opto Semiconductors Gmbh
Image sensor including color separation element
An image sensor includes a pixel array including a first pixel row, in which a plurality of first pixels and a plurality of second pixels are alternately arranged, and a second pixel row, in which a plurality of second pixels and a plurality of third pixels are alternately arranged; first color separation elements configured to allow light having a second wavelength band, among incident light, to pass therethrough and travel in a downward direction, and to allow a mixture of light having a first wavelength band and light having a third wavelength band, among the incident light, to pass therethrough and travel in a lateral direction; and first color filters on at least a portion of the plurality of first pixels, the first color filters being configured to transmit only the light having the first wavelength band.. .
Samsung Electronics Co., Ltd.
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.. .
Display device and light source device
According to one embodiment, a light source device includes a light source element including a first light emitting element which emits light of a first wavelength and a second light emitting element which emits light of a second wavelength, a first wavelength conversion material which is excited by the light from the first light emitting element to emit light of a third wavelength, and a second wavelength conversion material which is excited by the light from the second light emitting element to emit light of a fourth wavelength, wherein cyan light produced by the light emission of the first light emitting element and magenta light produced by the light emission of the second light emitting element are emitted from the same light emitting surface.. .
Japan Display Inc.
Aqueous sample fluid measurement and analysis
An embodiment provides a method for determining a concentration of an analyte in a fluid sample, including: introducing a fluid sample into a measurement chamber; operating a measurement device to introduce light of a first wavelength to the fluid sample; measuring, with a detector, absorbance of the light of the first wavelength with respect to the fluid sample; operating the measurement device to introduce light of a second wavelength to the fluid sample; measuring, with the detector, absorbance of the light of the second wavelength with respect to the fluid sample; determining, using a processor of the measurement device, an absorbance ratio of the fluid sample using both the measured absorbance of the light of the first wavelength and the measured absorbance of the light of the second wavelength; and providing, via an output device, a determined concentration value for the fluid sample that correlates to the absorbance ratio. Other aspects are described and claimed..
Improved adhesive bonding composition and use
A method of and system for adhesive bonding. The method and system a) treat a surface of an element to be bonded to provide an adherent structure including one or more rubber compounds on the surface; b) place a polymerizable adhesive composition, including at least one photoinitiator and at least one energy converting material, in contact with the adherent structure and two or more components to be bonded to form an assembly, c) irradiated the assembly with radiation at a first wavelength, capable of conversion by the at least one energy converting material, to a second wavelength capable of activating the at least one photoinitiator to produce from the polymerizable adhesive composition a cured adhesive composition; and d) adhesively join the two or more components by way of the adherent structure and the cured adhesive composition..
System and inspecting road surfaces
A vehicle includes at least one infrared source emitting light at first and second wavelengths corresponding to a water-absorption wavelength and an ice-absorption wavelength respectively. The vehicle further includes a plenoptic camera system configured to detect a backscatter intensity of the first and second wavelengths and generate a depth map that indicates water or ice on a road in response to the backscatter intensity associated with one of the wavelengths being less than a threshold intensity..
Ford Global Technologies, Llc
Plethysmography heart rate monitor noise reduction using differential sensors
An apparatus includes a first electromagnetic sensor configured to generate a first sensed signal based at least in part on detection of a first signal having a first wavelength. The apparatus includes a second electromagnetic sensor configured to generate a second sensed signal based at least in part on detection of a second signal having a second wavelength different from the first wavelength.
Silicon Laboratories Inc.
Object information acquiring apparatus and control method thereof
An object information acquiring apparatus of the present invention includes a light source generating light having a first and a second wavelength, a conversion element receiving photoacoustic waves from an object and outputs first and second reception signals, a characteristic information acquiring unit acquiring first and second characteristic information distributions and acquiring a substance concentration distribution inside the object, a position shift acquiring unit acquiring a position shift between the first and second characteristic information distributions, and a display controlling unit displaying an image based on the substance concentration distribution and the position shift.. .
Canon Kabushiki Kaisha
Bidirectional holographic lens
A device can determine a distance to an object. The device can use the determined distance to vary a focal length of a first adjustable element so that the first adjustable element directs light from the object into a first waveguide and onto a detector, and forms an image of the object at the detector.
Waveguide directional coupler
A directional coupler assembly includes a waveguide housing. The waveguide housing has a first segment and a second segment.
U.s.a. As Represented By The Administrator Of The National Aeronautics And Space Administration
Coaxial diplexer and signal coupling device
A signal coupling device associating a first frequency band signal and a second, different frequency band, signal in a common waveguide and distributing the signals to two separate waveguides. The device comprises first and second circular waveguides.
Airbus Ds Gmbh
Solid state illumination device based on non-radiative energy transfer
There is provided an illumination device comprising: a wavelength converting layer comprising a photon emitting donor configured to absorb energy to reach an excited state, and a photon emitting acceptor; an energy source configured to provide energy to the donor such that the donor reach the excited state; wherein the donor and the acceptor are selected and arranged at a distance from each other such that non-radiative transfer of excitation energy from the donor to the acceptor occur, and wherein the acceptor is configured to emit a photon at a second wavelength after the transfer of energy; the illumination device further comprising a periodic plasmonic antenna array, arranged on the substrate and embedded within the wavelength converting layer, and comprising a plurality of individual antenna elements arranged in an antenna array plane, the plasmonic antenna array being configured to support a first lattice resonance at the second wavelength, arising from coupling of localized surface plasmon resonances in the individual antenna elements to photonic modes supported by the system comprising the plasmonic antenna array and the wavelength converting layer, wherein the plasmonic antenna array is configured to comprise plasmon resonance modes such that light emitted from the plasmonic antenna array has an anisotropic angle distribution.. .
Koninklijke Philips N.v.
Head drive ic and liquid discharge apparatus
A head drive ic includes: a first waveform input part to which a first waveform signal being used for generation of drive signals is inputted; a second waveform input part to which a second waveform signal different from the first waveform signal and being used for generation of the drive signals is inputted; a switching signal input part to which a switching signal is inputted; and an input switching circuit which performs switching between a state in which both of the input of the first waveform signal and the input of the second waveform signal are allowed, and a state in which the input of the first waveform signal is allowed and the input of the second waveform signal is blocked.. .
Brother Kogyo Kabushiki Kaisha
Techniques for operating generator for digitally generating electrical signal waveforms and surgical instruments
Disclosed is a method of generating electrical signal waveforms by a generator. The generator includes a processor and a memory in communication with the processor.
Ethicon Endo-surgery, Llc
Protection techniques for generator for digitally generating electrosurgical and ultrasonic electrical signal waveforms
A method of generating electrical signal waveforms. A generator includes a digital processing circuit, a memory circuit in communication with the digital processing circuit defining a lookup table, a digital synthesis circuit in communication with the digital processing circuit and the memory circuit, and a digital-to-analog converter (dac) circuit.
Ethicon Endo-surgery, Llc
Vital signs sensor and measuring vital signs of a user
Ppg sensor emits light at at least three wavelengths (y1-y3) and detects the reflected light. The ppg sensor comprises a motion correction unit for correcting motion artefacts from the detected light signals by subtracting the output signal of the detected light at the second wavelength (y2) from an average of an output signal of the detected light at the first and third wavelength (y1, y3).
Koninklijke Philips N.v.
An optical routing element may include a planar dielectric photonic crystal which includes a lattice of holes having a first linear defect adjacent a second linear defect, with the two defects being separated by a central row of lattice holes. The first linear defect in the lattice of holes may form a first single mode line defect waveguide, and the second linear defect in the lattice of holes may form a second single mode line defect waveguide.
Fiber coupling module
A fiber coupling module comprises an optical fiber connector detachable from an optical fiber cable, wherein an end surface of the optical fiber cable is treated with an anti-reflection coat to set the reflectance lower than a predetermined value relative to the light of a first wavelength band and to set the reflectance higher than a predetermined value relative to the light of a second wavelength band excluding the first wavelength band, and the fiber coupling module connects to the optical fiber cable through said optical fiber connector. A main light source 2 outputs the light of the first wavelength band to the optical fiber cable.
Wavelength division multiplexing
A system may include a first light source configured to generate a first beam of light at a first wavelength; a second light source configured to generate a second beam of light at a second wavelength; a third light source configured to generate a third beam of light at a third wavelength; and a fourth light source configured to generate a fourth beam of light at a fourth wavelength. The system may also include a thin-film filter, a first polarization beam splitter (pbs), a wave plate and a second pbs.
Optical network communication system with optical line terminal transceiver and operation thereof
A method of operation of an optical network communication system including: providing a planar lightwave circuit including: connecting 2×2 single-mode optical couplers in an array for forming a 1×n single-mode optical splitter/combiner, and routing harvesting ports to an optical line terminal receiver for collecting harvested-light, from two or more of the harvesting ports, in the optical line terminal receiver wherein one of more of the harvesting ports is from the 2×2 single-mode optical couplers; transmitting to an optical network unit through the planar lightwave circuit at a first wavelength; and interpreting a response from the optical network unit at a second wavelength through the harvested-light.. .
Method and system for partial integration of wavelength division multiplexing and bi-directional solutions
Methods and systems for partial integration of wavelength division multiplexing and bi-directional solutions are disclosed and may include, an optical transceiver on a silicon photonics integrated circuit coupled to a planar lightwave circuit (plc). The silicon photonics integrated circuit may include a first modulator and first light source that operates at a first wavelength and a second modulator and second light source that operates at a second wavelength.
Led-based linear lamps and lighting arrangements
An led-based linear lamp comprises a linear array of leds and an elongated wavelength conversion component. The wavelength conversion component comprises first and second wavelength conversion wall portions that extend along the direction of elongation of the component and which comprise a photoluminescence material and a light reflective portion that extends along the direction of elongation of the component.
Waveguide feed network architecture for wideband, low profile, dual polarized planar horn array antennas
A waveguide structure for a compact and scalable dual-polarized antenna array. In one example, a waveguide device comprises septum polarizers dividing common waveguides into first waveguides associated with a first polarization and second waveguides associated with a second polarization.
Apparatus and methods for one or more wavelength swept lasers and the detection of signals thereof
An optical instrument including at least a first and second wavelength swept vertical cavity laser (vcl) sources. The wavelength sweeping ranges spanned by the first and second vcl sources may differ with a region of spectral overlap.
Praevium Research, Inc.
Optical device and laser processing apparatus
In one embodiment, an optical device having a convex lens, a concave lens and a mirror member is provided. The convex lens is arranged on an axis and has a convex surface at one side in a direction of the axis.
Kabushiki Kaisha Toshiba
System and health monitoring using a non-invasive, multi-band biosensor
A biosensor includes a ppg circuit that emits light directed at living tissue at a plurality of wavelengths. A first and second spectral response of light reflected from the tissue is obtained around a first wavelength and a second wavelength.
Optical add/drop multiplexer and adding/dropping optical signal
An optical add/drop multiplexer processes input light containing reference light and a polarization multiplexed optical signal in which first wavelength division multiplexed optical signal and second wavelength division multiplexed optical signal are multiplexed. Alight source generates first and second oscillation light with different optical frequencies.
Solar cells that include quantum dots
Solar cells that include quantum dots are provided. In particular, a solar panel is provided, the solar panel comprising: a first solar cell comprising: a first set of quantum dots in a first semiconductor, the first semiconductor configured to receive one or more of ambient light and sunlight and emit first wavelengths a first range of about 450 nm to about 480 nm, the first set of quantum dots configured to convert the first wavelengths to a first electric output; and, a second solar cell comprising: a second set of quantum dots in a second semiconductor, the second semiconductor configured to receive one or more of the ambient light and the sunlight and emit second wavelengths a second range of about 600 nm to about 700 nm, the second set of quantum dots configured to convert the second wavelengths to a second electric output..
A measuring apparatus includes an optical system including a wavelength dividing element that divides light from an object simultaneously illuminated by first and second illumination units into a light component of a first wavelength and a light component of a second wavelength. A first imaging element receives a pattern light of the first wavelength reflected by the object, which is light transmitted through the wavelength dividing element but never reflected by the wavelength dividing element, thereby obtaining a first image representing a three-dimensional shape of the object.
Canon Kabushiki Kaisha
Passive alignment of polymer waveguides
A chip packaging includes a first part comprising a support; and a core polymer layer transversally structured so as to exhibit distinct residual portions comprising: first waveguide cores each having a first height and disposed within said inner region; and one or more first alignment structures disposed within said outer region. A second part of the packaging comprises: second waveguide cores, each having a same second height; and one or more second alignment structures complementarily shaped with respect to the one or more first alignment structures, and wherein, the first part structured such that said inner region is recessed with respect to the outer region, to enable: the second waveguide cores to contact the first waveguide cores; and the one or more second alignment structures to respectively receive, at least partly, the one or more first alignment structures.
International Business Machines Corporation