1613 results about "Optical radiation" patented technology

Various wearable health monitoring devices are described herein. Some implementations include a housing including a front side and a back side configured to face tissue of the wearer when the device is worn; and a sensor assembly positioned by the back side of the housing. The sensor assembly can include emitters and detectors positioned on a surface of a substrate and a frame positioned adjacent to the surface of the substrate and configured to inhibit transmission of optical radiation through the frame. The frame can comprise an emitter chamber housing the emitters; and one or more detector chambers housing the one or more detectors.

The invention relates to the technical field of remote sensing monitoring, in particular to a remote sensing image ocean green tide monitoring method and system fusing physical prior and spatio-temporal evolution. The method comprises the following steps: acquiring a multi-modal remote sensing monitoring image; performing multi-modal feature extraction on the acquired image, wherein the multi-modal feature extraction comprises spectral reflectivity feature extraction, ocean dynamics feature extraction and feature alignment and unified representation; establishing a physical prior of a green tide characteristic wave band by using an ocean optical radiation transmission model; constructing a dynamic space-time diagram based on the extracted multi-modal features to obtain a node global feature vector and a dynamic adjacency matrix; carrying out adaptive graph convolution feature coding based on physical prior and a dynamic space-time diagram; through fusion of multi-spectral images of multiple platforms such as satellites and unmanned aerial vehicles and ocean dynamic data and combination of atmospheric correction and wave band resampling, consistency processing and high-precision extraction of multi-source features are realized, and comprehensiveness and reliability of green tide feature recognition are remarkably improved.

The invention discloses a GIS partial discharge fault detection device and method based on D-S evidence multi-source information fusion, and relates to the technical field of power system control, and the device comprises a signal collection module which is used for collecting an electromagnetic wave signal, a mechanical vibration signal, an ultrasonic signal and a partial discharge optical radiation signal generated by the partial discharge in GIS equipment; the GIS partial discharge fault detection module is used for processing, storing and sending the signals acquired by the signal acquisition module; the coordinator is used for realizing data transmission between the GIS partial discharge fault detection module and the background terminal; and the background terminal is used for receiving the processing information of the GIS partial discharge fault detection module and judging the fault type of the GIS equipment. According to the GIS partial discharge fault diagnosis system, various signals generated by partial discharge in the GIS equipment are detected through the information acquisition module, and the relationship between the characteristic data and the GIS partial discharge fault is established, so that diagnosis of the GIS partial discharge fault is realized, and the fault judgment efficiency of the background terminal is improved.

A semiconductor device has a substrate and an electrical component disposed over the substrate. An encapsulant is deposited over the electrical component. A shielding layer is formed over the encapsulant. The shielding layer includes a plurality of graphene-coated metal balls in a matrix. The shielding layer is sintered using intensive pulsed light (IPL) radiation.

An apparatus (20) for carrying out a quality control on industrial production lines (10), comprising one or more apparatuses (30, 40, 50) for the measurement of properties of a product sample (C) of the aforesaid industrial production lines (10), which supply respective one or more measurement signals, the apparatus (20) comprising a processing module configured for processing the one or more measurement signals and obtaining properties of the product sample (C), the quality control being carried out as a function of said properties of the product sample (C), said one or more apparatuses (30, 40, 50) for the measurement of properties of a product sample (C) comprising: an x-ray fluorescence apparatus (30) that comprises an x-ray source (331), which emits a first x-ray beam (XB, XBC) towards the product sample (C) in a measurement environment, and a particle detector (335), which is configured for receiving a second x-ray beam (XBR) scattered by the product sample (C) and generating a first received signal supplied within the set of said respective one or more measurement signals. The apparatus (20) further comprises an optical-spectroscopy apparatus, preferably operating in the near infrared (40), which comprises a radiation source operating in the near infrared (NIR), which emits a first optleal-radiation beam towards a product sample (C), and an optical sensor for receiving a second optleal-radiation beam scattered by the product sample (C) and generating a second received signal supplied within the set of said respective one or more measurement signals.

This disclosure relates to an intermediate substrate (10) for the fabrication of a semiconductor substrate, comprising successively: a first semiconductor layer (2), a first thermal barrier layer (5), a support (13) comprising an absorption layer (3) configured to absorb laser radiation in a predetermined wavelength range, the temperature of the absorption layer (3) increasing during absorption, and a separation zone (8) adjacent to the absorption layer (3) and configured to thermally degrade under the effect of the temperature increase of the absorption layer, so as to separate at least a portion of the support (13) from the remainder of the intermediate substrate (10). (Shortcut figure: Fig. 1)

The present invention relates to a robot system, comprising: - a robot body (11); - a manipulator (10); - a control unit (20); and - at least one laser scanner (12); wherein the manipulator is mounted to the robot body; wherein the at least one laser scanner is mounted to the robot body; wherein the control unit is configured to move the manipulator relative to the robot body and / or control activation of the manipulator; wherein the control unit is configured to define at least one areal protective zone (14) at a periphery of the robot body, and wherein each areal protective zone of the at least one areal protective zone is defined at an angle between 45-90 degrees to the horizontal; wherein the control unit is configured to control the at least one laser scanner to project laser radiation in at least one 2D plane that is coplanar with the at least one areal protective zone and acquire at least one sensor data for reflected laser radiation within at least one coverage range or scan plane (13) within the at least one 2D plane, wherein each 2D plane is coplanar with an areal protective zone, and wherein each laser scanner is configured to project laser radiation in a 2D plane coplanar with an areal protective zone and acquire sensor data for reflected laser radiation within a coverage range or scan plane within the 2D plane that is at least a significant proportion of the areal protective zone; and wherein the control unit is configured to trigger a safety response upon acquisition of sensor data for reflected laser radiation within the at least one coverage range or scan plane within the at least one 2D plane.

An optoelectronic device (20, 50, 120, 320, 500, 540, 560, 600) includes an array (32, 72, 124) of optical transceiver cells (34, 74, 90, 126, 522) disposed on a planar substrate (30). Each transceiver cell includes an optical transducer (36) configured to couple optical radiation between the transceiver cell and a target. An optical distribution tree (122) including a network (38, 76, 428, 518, 524) of waveguides (142, 150) and switches (146, 429), is disposed on the substrate and coupled to convey coherent radiation from a radiation source (52, 128, 130, 426, 510, 606) to the optical transceiver cells. A controller (48) is configured to actuate the switches so as to select different subsets of the optical transceiver cells that are to receive the coherent radiation from the optical distribution tree and to transmit the coherent radiation toward the target at different times during a scan of the target.

System and methods for optical coherence tomography. The systems may include a source of optical radiation, an optical fiber, a detector, an interface medium, a mirror in the embedding medium, and a processor. The optical fiber may provide a common path for optical radiation reflected from a reference and a target. The detector may receive the optical radiation reflected from the reference and the target. The interface medium may be at the reference interface and in optical contact with the distal end of the optical fiber. The mirror may include a silicon die having a reflective coating. The processor may generate an image of the target based upon the optical radiation received by the detector.

A particle-optical arrangement is disclosed for providing a primary particle-optical beam path for a plurality of first single-particle beams directed from a multi-beam particle generator onto an object positionable in an object plane of the arrangement, as well as a secondary particle-optical beam path for a plurality of second single-particle beams emanating from the object. The particle-optical arrangement includes a magnetic array comprising a first magnetic field region traversed by the primary and secondary particle-optical beam paths to separate them.The magnetic arrangement further comprises a second magnetic field region, which is located in the primary particle optical beam path and not in the secondary particle optical beam path. The second magnetic field region is located in front of the first magnetic field region with respect to the primary particle optical beam path, and the first and second magnetic field regions deflect the primary particle optical beam path in different directions. The first magnetic field region has an exit inclination σ1 ≠ 0°, where the exit inclination σ1 is defined as the angle by which the orientation of the exit region deviates from the orthogonal to the particle optical axis Z of the primary particle optical beam path.

The invention provides a hot-melt marking short-term and long-term luminosity performance balance design device and a use method thereof, and belongs to the technical field of road marking construction. The first device comprises a simulation bin main body, a temperature adjusting part, a track plate, a marking part, a humidity adjusting part, a wind speed control part, a temperature, humidity and wind speed monitor, a marking and marking area, a surface scattering glass bead embedding degree observation part, a surface scattering glass bead scattering density observation part, a retroreflection brightness coefficient detection part, a tire sticking prevention time detection part and a hot melting coating heating part; a molten coating introduction part; and a data display and processing part. The second device comprises a second simulation bin main body, a test block, an ultraviolet aging simulation part, a second temperature adjusting part, a second humidity adjusting part, a wind speed adjusting part, a temperature, humidity and wind speed monitoring part, an ultraviolet radiation illumination monitoring part, a wheel rolling effect simulation part and a system control part. The first device and the second device are matched for use, so that the short-term and long-term luminosity performance of the hot-melt marking line is balanced, and particularly, selection of the density of surface-scattered glass beads and the density of premixed glass beads is greatly facilitated.

Optical sensing apparatus includes a transmitter, which is configured to transmit outgoing frequency-modulated (FM) coherent optical radiation toward a target scene. A receiver includes an array of single-photon detectors, which are configured to output electrical pulses in response to photons that are incident on the detectors. Optics image the target scene onto the array while diverting a part of the outgoing FM coherent optical radiation to form a local beam, which mixes with incoming optical radiation from the target scene. Processing circuitry is configured to compute counts of the electrical pulses output as a function of time by the single-photon detectors in response to the mixed optical radiation, to extract beat frequencies from the computed counts, and to measure ranges of points in the target scene responsively to the beat frequencies.

The invention relates to the crossing field of biothermodynamics and dynamic environment control, and discloses a space thermal microclimate multi-target regulation and control method, device and system, a medium and a product. The method comprises the following steps: acquiring physiological parameters (including effective dressing thermal resistance and local sweat gland density of posture correction) of a passenger, environment space-time parameters and light environment parameters through a biological characteristic sensor, an environment sensor and an optical sensor; constructing a dynamic human body thermal comfort model library, and adopting a feature coding-parameter decoding mechanism to match a target thermal comfort model; generating a hierarchical regulation strategy based on the difference between the local comfortable temperature and humidity interval and the real-time thermal environment sensing parameter; and the refrigerant circulation system, the fluid circulation system and the optical radiation system are cooperatively controlled to realize local microclimate regulation and control. According to the method, the problems of inaccurate thermal comfort modeling and low multi-system cooperation efficiency in a transient environment are solved, the energy efficiency ratio is improved, and the comfort of passengers in a cabin is remarkably improved.

The invention relates to a method for synchronously removing antibiotic drug-resistant bacteria and drug-resistant genes by combining sunlight-driven interface heat and Fenton-like oxidation, which comprises the following steps of: putting a photothermal film loaded with a carbon black composite photothermal material into a photothermal disinfection reactor, introducing antibiotic drug-resistant bacteria wastewater, adding H2O2, turning on a xenon lamp light source, preheating the photothermal film, and carrying out photothermal disinfection on the photothermal film to remove the antibiotic drug-resistant bacteria and the drug-resistant genes. The photothermal disinfection reactor is sealed, the wastewater is treated through the photothermal film under the action of gravity, the photothermal conversion material absorbs optical radiation and converts the optical radiation into thermal radiation, and antibiotic-resistant bacteria are treated through the high-temperature interface heat effect generated on the photothermal film. The high-temperature interface heat can cause local temperature rise of a bacterial cell membrane structure, so that fatty acid chains in a bacterial membrane lipid bilayer are broken to a certain extent, the permeability of the cell membrane is increased, the structure of a bacterial outer membrane is damaged due to caused physical damage, the permeability of the bacterial membrane is increased, and the integrity of the membrane is damaged.

The invention provides an optical radiation measurement method, which is characterized in that light from a measured object enters an optical detection unit through a color wheel, three or more channels are uniformly distributed on the circumference of the same radius of the color wheel, and each channel is provided with a color filter or a through hole without any color filter; the measurement process specifically comprises the following steps: S1, in the measurement process, a color wheel continuously rotates to sequentially cut each channel into a light path, and a light detection unit converts an obtained light signal into an electric signal to obtain a group of waveform data of the electric signal changing along with time; and S2, performing demodulation calculation on the waveform data obtained in the step S1 by using the shape function under each channel to obtain the average optical power or the total energy of the measured object under each channel. According to the technical scheme, the problems that in the prior art, beam splitting measurement is high in alignment requirement and low in sensitivity, and color wheel rotation measurement is low in speed can be effectively solved.

The invention relates to the technical field of adaptive optics, and particularly provides a wavefront detection system for a dark and weak target under a strong sky background, the wavefront detection system comprises a Shack-Hartmann wavefront sensor system and a wavefront detection processing unit, the Shack-Hartmann wavefront sensor system carries out wavefront detection on a short wave infrared band of 1.3-1.7 [mu] m, and the wavefront detection processing unit carries out wavefront detection on the short wave infrared band of 1.3-1.7 [mu] m. And the wavefront detection processing unit corrects a sub-aperture image obtained by detection through a weighted self-threshold local contrast algorithm, performs self-threshold operation on pixels in a center unit according to a gray scale ratio weight of the center unit and a background unit of the sub-aperture image, introduces an energy weight to eliminate PNHB noise, and reconstructs a centroid of the sub-aperture image. According to the invention, a Shack-Hartmann wavefront sensor system is applied to a short-wave infrared band, so that a sky background spectrum is effectively blocked, the target brightness is ensured, background light radiation photons received by a detector are reduced to the greatest extent, various noises and background interferences are inhibited by optimizing a threshold algorithm, and the wavefront detection precision is remarkably improved.

An optical device includes a substrate and a single-mode optical waveguide disposed on the substrate and having a first geometrical width chosen to guide optical radiation in a first optical mode within a given wavelength range through the single-mode optical waveguide. An optical ring waveguide is disposed on the substrate and optically coupled to the single-mode optical waveguide, the optical ring waveguide having a second geometrical width wider than first geometrical width and configured to maintain therewithin optical radiation in the given wavelength range in a second optical mode different from the first optical mode.

The invention discloses a lubricating oil identification method, device and equipment based on an infrared spectrum and a medium, and relates to the technical field of lubricating oil identification, the method comprises the following steps: establishing a lubricating oil product characteristic spectrum library; the lubricating oil product characteristic spectrum library comprises a plurality of standard infrared spectrums of different brands of lubricating oil; after the to-be-identified lubricating oil sample is radiated by the generated target interference light, an interference light signal penetrating through the to-be-identified lubricating oil sample is collected; converting the interference light signal into an electric signal; generating an infrared spectrogram corresponding to the to-be-identified lubricating oil sample based on the electric signal; and comparing the infrared spectrogram corresponding to the to-be-identified lubricating oil sample with the standard infrared spectrum in the lubricating oil product characteristic spectrum library to obtain an authenticity identification result of the to-be-identified lubricating oil sample.

The present invention relates to a beam guiding device (1) for guiding signal light radiation (A), comprising at least one fibre inlet element (11) which is designed to receive the signal light radiation (A), comprising at least one fibre outlet element (12) which is designed to emit the signal light radiation (A), and comprising a plurality of fibre elements (10) which are fixedly connected at one end to the fibre inlet element (11) and at the opposite end to the fibre outlet element (12) and are designed to guide the signal light radiation (A) from the fibre inlet element (11) to the fibre outlet element (12).

An optoelectronic apparatus includes an array of emitters configured to emit beams of optical radiation. An optical substrate is mounted over the array. An optical metasurface is disposed on the optical substrate and configured to collimate and split each of the emitted beams into a respective group of collimated sub-beams, and to direct the collimated sub-beams toward a target to form a pattern of spots on the target.

An apparatus (1) for volumetric 3d-printing for forming a three-dimensional object, the apparatus comprising: a working volume (3) configured to receive a photopolymerizable material, particularly a photopolymerizable polymer resin, which is to be irradiated with light for forming a three-dimensional object; at least one first irradiation device (4) configured to radiate light (L1) of a first wavelength into the working volume to generate at least one first light projection (7) in the working volume, the at least one first light projection comprising multiple light beams traversing the working volume in at least one light plane (8); at least one light modulation device (11) assigned to the at least one first irradiation device.

A photonic assembly, a laser setup having the photonic assembly and a method for performing frequency-modulated continuous-wave light detection and ranging using the laser setup are disclosed. The photonic assembly has an active photonic chip, a photonic modulator chip, and a tuning arrangement having a modulation element having a thickness of 10 micrometers or less. The active photonic chip and the photonic modulator chip are optically coupled such, that injection radiation at an optical feedback wavelength is generated, which defines at least one optical lasing wavelength at which the optical radiation is emitted by the active photonic chip. The modulation element is arranged such, that an actuation of the modulation element tunes the optical feedback wavelength via the Pockels effect, such, that a tuning of the optical feedback wavelength entails a tuning of the optical lasing wavelength.

The invention relates to the technical field of infrared sensors, in particular to a monolithic integrated MEMS out-of-plane thermopile chip and a preparation method thereof, and the thermopile chip comprises a substrate, and a bottom electrode, a thermocouple array, a top electrode and an optical radiation absorption layer which are sequentially arranged on the substrate; the thermocouple array is vertically arranged on the bottom electrode; the thermocouple array comprises a plurality of thermocouple pairs, and each thermocouple pair comprises an N-type thermocouple and a P-type thermocouple; the N-type thermocouple and the P-type thermocouple form a current and heat flow loop in an electric series connection and heat parallel connection mode. According to the invention, the bismuth telluride-based thermoelectric material with low thermal conductivity and high Seebeck coefficient difference is used as the thermocouple material of the out-of-plane thermopile chip, the heat conduction path of the out-of-plane thermopile chip is more direct, the temperature difference in the vertical direction can be directly utilized, and the higher response speed and high sensitivity are expected to be realized due to the more efficient thermal gradient.

A milking system includes a device to sample and analyse a milk sample, including a control unit, a sample supply line connected to the milk line, a pump to control the sample flow, an optical radiation source, and an optical sensor device to detect and analyse optical radiation coming from the reagent pad with said sample, to provide an indication of a substance in the sample, a tape mover to move and unwind the tape from the tape reel, and a pump drive, external to the cassette, and releasably operably connected to the pump device for driving the pump device. The sampling and analysis device also includes a cassette with a sample receiving line, releasably connected to the sample supply line by a liquid connector, and arranged to receive the sample from the sample supply line, a tape reel with a tape that includes a base tape layer and a series of separate reagent pads, and a dosing device to provide a droplet of the sample onto a reagent pad. The dosing device includes a nozzle in fluid connection with the sample receiving line, and a nozzle mover arranged to move the nozzle in at least a longitudinal direction. The cassette is replaceably received in the milking system. Hereby, a large number of parts that are subject to wear and contamination by milk residues are exchanged regularly, which improves measurement reliability and accuracy.

The invention discloses a power distribution room anti-condensation dehumidification method adopting an optical radiation technology energy-saving dehumidification device, and relates to the technical field of power distribution room dehumidification, and the method comprises the following steps: dividing a power distribution room into a plurality of monitoring areas, installing environment monitoring sensors and intelligent adjustment equipment in the monitoring areas, and configuring a communication gateway; building a local communication network; based on the Internet of Things and node communication technology, a dynamic environment control system fusing a distributed environment monitoring sensor and intelligent adjusting equipment is constructed, environment data and equipment state data of each monitoring area in a power distribution room are monitored and collected in real time, and a digital model containing spatial-temporal characteristics is established; and based on a preset power distribution room dehumidification task standard, comparing the environment data monitored at the current moment, and identifying an abnormal monitoring area. According to the invention, by integrating the optical radiation technology energy-saving dehumidification device and the dynamic environment control system, the cooling and dehumidification effects in the power distribution room are greatly improved, and a more stable and reliable environmental guarantee is provided for power distribution equipment.

A temperature measurement method according to the present invention comprises: a spectroscopic measurement step for measuring a spectroscopic radiation spectrum from a billet, said spectroscopic radiation spectrum including at least three or more wavelengths having different spectroscopic radiance at the same temperature; an acquisition step for acquiring a characteristic quantity of the surface of the billet at a measurement point of the spectroscopic radiation spectrum; a determination step for determining the form of the surface of the billet on the basis of the feature amount acquired in the acquisition step; and a selection step for selecting, on the basis of the determination result of the determination step, a temperature calculation method for calculating the temperature of the measurement point from the spectroscopic radiation spectrum measured in the spectroscopic measurement step.

The invention discloses iridium series mixed metal oxide titanium anode plate welding equipment, and relates to the technical field of welding equipment, the iridium series mixed metal oxide titanium anode plate welding equipment comprises a welding rack, a welding mechanism and an anode plate clamp, and the welding rack comprises adjustable supporting legs. The equipment stability is ensured through the adjustable supporting feet and the workbench structure, the anode plate clamp is matched with the first servo motor and the second servo motor on the portal frame to drive the threaded rod and the adjusting sliding block structure, the welding mechanism can be accurately positioned on the X / Y axis, flexible adjustment of a three-dimensional space welding path is achieved in combination with Z-axis downward pressing control of the telescopic cylinder, and the welding efficiency is improved. The integration of the process database and the touch display screen simplifies the parameter calling process, the microcontroller feeds back welding data in real time through the visual monitoring assembly, the consistency of the welding quality is effectively guaranteed, the protection assembly reduces the harm of intense light radiation to operators, and then the automation efficiency and safety are improved. And the titanium anode plate welding efficiency and the finished product qualification rate are remarkably improved.

Apparatuses, systems and methods for all-optical computing are disclosed. An optical computing apparatus includes a nonlinear optical crystal, at least one light source, and a detector. The at least one light source is configured to spatially modulate vectors of operand values onto coherent optical radiation and to direct the spatially modulated coherent optical radiation into the nonlinear optical crystal, thereby exciting propagating modes in the nonlinear optical crystal corresponding to a computational result of linear and nonlinear operations performed over the vectors. The detector is coupled to receive and sense the coherent optical radiation that has propagated through the nonlinear optical crystal so as to decode the computational result.

The invention relates to the technical field of image generation, and particularly provides a digital human generation and streaming transmission method and system, and the method and system are based on an ER-NERF algorithm, and comprise the following steps: S1, carrying out the depth estimation and optical radiation field reconstruction of multi-view image data, so as to generate a realistic 2.5 D digital human model; s2, in a data transmission stage, the system pushes the preprocessed model parameters and texture information to a user terminal in a streaming media format in real time; and S3, at a user terminal, the system performs real-time analysis and reconstruction on the received data stream through a decoding module, and dynamic rendering and interactive display of the digital human are completed. Compared with the prior art, the method has the advantages that the terminal computing pressure can be reduced, cross-platform real-time interaction and efficient rendering are ensured, and the application requirements of virtual content production, remote interaction and immersive experience are met.