396 results about "Optical radiation" patented technology

The invention relates to the technical field of nervous system dysfunction, in particular to a nerve regulation and control system for degenerative disease treatment based on multi-modal physiological feedback, which comprises a central processing unit, an optical radiation applicator, a mechanical vibration applicator, an integrated biological signal sensing array and a man-machine interaction module, cooperative stimulation is applied by using a multispectral light source and a broadband vibrator, and multi-dimensional physiological signals such as heart rate variability, myoelectricity, galvanic skin and the like are monitored in real time through a sensor array. A multi-parameter adaptive control algorithm built in the central processing unit can dynamically and intelligently adjust stimulation parameters based on the feedback signals to form an accurate personalized treatment closed loop. Meanwhile, the safety monitoring module based on the biological thermal model ensures the safety boundary of the treatment process. According to the invention, intelligent, self-adaptive and non-invasive treatment of nerve dysfunction is realized.

The invention belongs to the technical field of narrow-band optical radiation imaging, and particularly relates to a narrow-band EUV and BEUV radiation imaging device based on a nano polycrystalline hexagonal boron nitride scintillator. The imaging device is composed of a nano polycrystalline hexagonal boron nitride scintillator plated with Zr, Mo or Nb metal, a high-precision camera, a vacuum interface flange and a shielding shell, and narrow-band selective imaging can be achieved in the wave band of 6-14 nm. The radiation imaging device has high sensitivity, narrow-band selectivity and excellent radiation resistance to 13.5 nm EUV light and 6.7 nm BEUV light, and compared with a traditional YAG-based imaging device, the radiation imaging device has remarkable advantages. The invention provides an innovative solution for high-performance EUV and BEUV radiation imaging, and has important application value in the field of EUV and BEUV beam diagnosis.

Method for generating a porous injectable scaffold that includes providing a liquid composition of 2 phases at a temperature below 25° C., of Newtonian behavior, where the composition comprises:a liquid dispersant phase at room temperature formed by a gelatin with a low melting point, less than 15° C., functionalized with methacryloyl or methacrylamide groups; and a photoinitiator;and a dispersed phase, of microdroplets or beads in solid state, of a gelatin solution with a melting point greater than 25° C.;initiating the polymerization of the dispersing phase by light radiation; raising the temperature to 35-40° C. and allowing melting of the dispersed phase; and obtaining a porous scaffold.The formed porous scaffold and its use as a biological support for tissue regeneration / generation; as a biological matrix as a support for cells, for cell invasion; as an acellular biological matrix, a biological matrix as a mechanical support and / or a biological matrix for active components.

A monitoring device (46) is used to monitor an EUV collector of a projection exposure system. A detector assembly (38) of the monitoring device (46) has at least one stray light detector (47). i ) for detecting stray light radiation (20) with a stray light wavelength that differs from the useful light wavelength of useful light (3) generated by an EUV light source (2) by at least 10%, wherein the stray light radiation (20), originating from a component of the EUV light source, is reflected at a collector surface of the EUV collector. A detection component (37; 32) of the detector device (38) can be arranged in an illumination optics array (40) that is optically conjugated to a collector array of the EUV collector. Due to the monitoring, an increased collector efficiency can result.

The invention discloses a light source system capable of continuously adjusting an attenuation ratio, and belongs to the technical field of optical radiation measurement and photoelectric detection. In order to solve the problems of wavelength dependence, discontinuous adjustment, spectrum distortion and the like existing in an existing light intensity adjusting scheme, a combined structure of an integrating sphere and a diaphragm cylinder is adopted, and the device comprises a light source, the integrating sphere with the high-reflection inner wall, a front-end adjustable diaphragm, the diaphragm cylinder with the extinction inner wall and a rear-end adjustable diaphragm. Continuous attenuation of output light intensity in a predetermined dynamic range is realized by adjusting the apertures of the front and rear diaphragms, the lower limit of attenuation ratio meets the requirement, and the dynamic range can reach more than three orders of magnitude. The system uses the integrating sphere to form a stable Lambert light source, the attenuation process depends on geometric parameters, spectral distribution and spatial uniformity basically remain unchanged, and the non-uniformity of a light-emitting surface is not greater than 5%. The invention further provides a calibration method, high-precision attenuation prediction is achieved through detector measurement and view factor model fitting, and the calibration method is suitable for weak cursor calibration, detector linearity testing and other applications.

The invention is applicable to the technical field of battery devices, and provides a battery device and electric equipment, the battery device comprises a shell part, and the shell part is used as an appearance part of the battery device. The shell part comprises a base body and a protective layer structure. The base body has a first outer surface facing an external environment of the battery device. The protective layer structure is arranged on the first outer surface. The protection layer structure comprises a heat insulation layer, a reflection layer and a pigment layer. The heat insulation layer is arranged on the first outer surface. The reflecting layer is arranged on the side, away from the first outer surface, of the heat insulation layer and used for reflecting infrared radiation and transmitting visible light. The pigment layer is arranged between the heat insulation layer and the reflection layer. The heat insulation layer obstructs heat transmission and reduces the influence of high temperature or low temperature of the external environment on the shell part and the interior of the shell part. The pigment layer colors the first outer surface. The reflecting layer reflects infrared light radiation to the external environment, the probability that heat radiation of infrared light is transmitted to the pigment layer is reduced, the probability that the pigment layer is decomposed due to the heat effect of the infrared light is reduced, and the color changing probability of the pigment layer is reduced.

The invention provides a radiation generating system comprising a radiation unit, wherein the radiation unit comprises a light source, a first collimator, and an optical arrangement, wherein: (a) the light source is configured to generate light source radiation having a first spectral power distribution having an intensity I1,1 at a first wavelength λ1 and an intensity I1,2 at a second wavelength λ2; (b) the first collimator is configured in a light receiving relationship with the light source, wherein the first collimator is configured to collimate the light source radiation into collimated light source radiation; (c) the optical arrangement is configured downstream of the first collimator and is configured to convert the collimated light source radiation into arrangement radiation; wherein the arrangement radiation is collimated relative to the collimated light source radiation; wherein the optical arrangement comprises a second collimator and an optical filter, wherein: (i) the second collimator is configured downstream or upstream of the optical filter; (ii) the optical filter has a higher transmission for the first wavelength λ1 than for the second wavelength λ2 when irradiated under a predefined angle; (iii) the first wavelength λ1 is selected from the range of 190-230 nm and the second wavelength λ2 is selected from the range of 100-190 nm or 230-280 nm; and (iv) the second collimator is at least partly defined by a plurality of light radiation transmissive channels, wherein the radiation transmissive channels are defined by channel walls which comprise a light absorbing material, wherein the light absorbing material is configured to absorb at least part of the collimated light source radiation received by the light absorbing material.

Method for manufacturing an optical component (1) using laser radiation, comprising the following process steps: - Generation of a structure in the material of the component (1) which gives the component (1) an optical functionality, wherein the optical functionality of the component (1) is that of an optical grating, in particular a fiber Bragg grating, an aperiodic fiber Bragg grating, a long-period grating or a bulk Bragg grating, - Determination of deviations of the generated structure in the material of the component (1) from specified target parameters, wherein the specified target parameters determine a central operating wavelength and / or a dispersion of the component (1), - Modification of the refractive index in the material of the component (1) by means of laser beams in a pre- and / or post-processing step, i.e. before or after the creation of the structure, in order to correct the deviations from the specified target parameters, characterized in that in the pre- and / or post-processing step a beam shaping of the laser radiation directed on the component (1) takes place in order to generate a spatially variable modification of the refractive index in the material of the component (1), wherein the beam shaping is carried out by means of an adaptive optics (4) which dynamically controls the wavefront and intensity profile of the laser radiation in order to flexibly address local deviations in the material of the component (1) individually.

The application relates to the technical field of lithium battery diaphragm, in particular to a high-stability lithium battery diaphragm and a preparation method thereof. The high-stability lithium battery diaphragm is prepared by the following steps: after a polypropylene film is irradiated by ozone and ultraviolet light in sequence, pre-deposition and pre-grafting are carried out on the surface of the polypropylene film, and then ultraviolet radiation treatment is carried out. The application realizes synergistic effect of nano-enhancement and self-repairing, solves the stability problem of traditional PP diaphragms in long-term cycles, and provides a reliable diaphragm solution for high-energy-density lithium batteries.

The application discloses a grid release film and a preparation method thereof, relates to the technical field of release films, and discloses a grid release film which comprises a film base material and a release layer coated on the surface of the film base material, wherein the film base material is made of PET recycled material which is subjected to hydrolysis treatment and extruded, and the release layer is formed after functional release agent is cured by ultraviolet light radiation, and the functional release agent comprises the following raw materials in parts by weight: 80-110 parts of organic silicon modified polyurethane, 50-75 parts of ethyl acetate, 5-6 parts of a photoinitiator, 15-20 parts of pentaerythritol tetraacrylate, 10-15 parts of nano silicon dioxide, 3-5 parts of an acrylate leveling agent and the like, wherein the organic silicon modified polyurethane is used as the main body to prepare the functional release agent, which is beneficial to the reaction between the functional release agent and the surface of the film base material, and thus the adhesion of the functional release agent on the film base material is improved.

The invention discloses an ice making device, storage equipment and water drinking equipment, and belongs to the technical field of ice making. The ice making device comprises a machine shell, an ice making container, a cold source and a light source. The ice-making container is installed on the machine shell, and at least one containing cavity used for making ice is formed in the ice-making container; the cold source is used for supplying cold to the accommodating cavity; the light source is installed on the machine shell and used for outputting light radiation to the containing cavity. According to the ice block, the overall transparency of the ice block is improved, the attractiveness of the ice block is improved, meanwhile, the melting time of the ice block is prolonged, the melting rate of the ice block is reduced, and the icing effect is improved.

A method of bonding first and second substrates to each other the substrates having respective bonding surfaces to be bonded together, comprising:(a) applying to the bonding surface of at least the first substrate a redox-active metal catalyst primer to form a primed surface;(b) activating the primed bonding surface of the first substrate by exposing the primed bonding surface to actinic radiation;(c) applying, to the so activated bonding surface of the first substrate, and / or or to the bonding surface of the second substrate, a UV curable anaerobic adhesive;(d) mating the bonding surfaces together with the UV curable anaerobic adhesive therebetween; and(e) exposing the UV curable anaerobic adhesive between the mated surfaces to actinic UV radiation. The method is particularly suited for obtaining bonds with good tensile shear strength with electrical substrates coated with an insulating varnish.

The invention relates to the technical field of welding devices, and discloses a fire extinguisher girth welding device which comprises an operation table, two translation guide mechanisms are arranged on the front side of the upper surface of the operation table, a positioning mechanism is slidably arranged on the upper portions of the two translation guide mechanisms, and a protection assembly is arranged on the outer surface of the positioning mechanism. The protection assembly comprises a support fixedly connected to the outer surface of the positioning mechanism, a vertical rod movably penetrates through the middle of the support, a top seat is fixedly connected to the top end of the vertical rod, a sheet plate is movably connected to the side edge of the top seat, and a straight protection plate is fixedly connected to the side, away from the top seat, of the sheet plate. The protection assemblies are installed on the positioning mechanisms on the two sides of the support and can rotate along with movement of the positioning assemblies, the shielding precision of the straight protection plate on circular seam strong light is high during welding, the protection coverage range is remarkably expanded, the influence of strong light radiation on surrounding operators is reduced, and the welding quality is improved. And the operation link of manually and frequently switching protection equipment is omitted, and the operation convenience is improved.

In a method for producing a coated workpiece (110), a rotationally symmetric functional layer (170-1, 170-2) with respect to a rotational axis of the workpiece is applied to at least one surface of the workpiece in at least one coating operation using laser radiation. For this purpose, the workpiece is set into a rotational movement about its rotational axis (114), and a laser beam (LS) directed towards the surface is generated. This laser beam is guided in a beam direction at an angle of incidence (EW) onto an impact zone (ZO) in a coating area of ​​the surface. At least one, preferably powdered, additive material is supplied to the laser beam such that the additive material is heated and / or at least partially melted in an interaction zone by the laser radiation of the laser beam and bonds at least partially with heated material on the surface in the area of ​​the impact zone (ZO).A relative movement between the workpiece (110) and the laser processing head (200) is generated such that, with the workpiece rotating, the impact zone passes through all positions within the coating area at least once. The relative orientation between the rotation axis (114) of the workpiece and an orientation of the laser processing head (200) is changed during at least one angular change phase of the coating operation via control signals from a control unit according to a predefined setting.

This application belongs to the field of optical simulation technology, specifically disclosing an optical simulation method for organic light-emitting diode (OLED) devices containing microlens structures. The technical solution of this application first derives the light radiation and propagation characteristics of the nanoscale active stacked thin film structure in the OLED device, generating light source data for micrometer-scale simulation; then, based on the micrometer-scale microlens structure and encapsulation layer structure in the OLED device, it defines the optical transmission characteristics of each interface; next, combining the light source data, the optical transmission characteristics of each interface, and the curved surface structure of the microlens structure, it performs ray tracing on the OLED device including the curved surface structure; finally, it statistically analyzes and calculates the light emitted from the OLED device after ray tracing including the curved surface structure, obtaining the emission spectrum of the OLED device containing microlens structures. This application constructs an optical simulation method applicable to multi-scale microlens OLED devices containing complex three-dimensional curved surface structures.

The application discloses a kind of high-voltage equipment imaging method, system and medium based on ultraviolet light multispectral fusion, the method of the application includes obtaining the ultraviolet light radiation image of target high-voltage equipment, infrared radiation image and visible light image;From infrared radiation image, extract infrared abnormal temperature rise area, from ultraviolet light radiation image, extract ultraviolet light spot area, calculate the spatial overlap of infrared abnormal temperature rise area and ultraviolet light spot area;According to spatial overlap, judge whether the fusion image of ultraviolet light radiation image and visible light image is qualified, if spatial overlap is less than preset overlap, then determine that qualified fusion image cannot be obtained, otherwise determine that qualified fusion image can be obtained, and the fusion image of ultraviolet light radiation image and visible light image obtains the fusion image of target high-voltage equipment.The application aims at improving the accuracy of multispectral fusion imaging, improving the inspection diagnosis capability of high-voltage equipment, improving the efficiency of inspection and the accuracy of inspection result.

The present application relates to laser damage detection, in particular to a kind of laser damage automatic judging method based on computer vision, the laser radiation before image of the element to be measured is collected, and the image after laser radiation, and the image before laser radiation, the image after laser radiation are preprocessed;Determine the region of interest in the image before laser radiation, the image after laser radiation based on the possible damage location of the element to be measured, and adopt sliding window and move along the region of interest in the image before laser radiation, the image after laser radiation simultaneously;Similarity index between corresponding local window image in each sliding window is calculated based on similarity measurement model;Similarity index is input into classifier, and whether the element to be measured appears laser damage is judged according to the output result of classifier;The technical scheme provided by the present application can effectively overcome the defects that the prior art cannot accurately, efficiently judge whether optical element appears laser damage, and intuitively reflect laser damage detection result.

Device for shaping a laser radiation, comprising a first homogenizer with a first array of lenses and a second homogenizer with a second array of lenses through which the laser radiation passes through one after the other, a lens device which superimposes the laser radiation passed through the second array of lenses in a working plane, and a first prism and a second prism arranged between the second homogenizer and the lens device, wherein the laser radiation passed through the second array of lenses successively passes through the first and the second prism passes before impinging on the lens means.

The utility model discloses a lamp light radiation safety testing arrangement, including the support frame of integral sphere and bottom. Integral sphere contains fixed hemisphere and mobile hemisphere, and support frame is connected with moving track, and mobile hemisphere is moved along track through moving wheel and realizes opening and closing. The support frame bottom is equipped with the rotary frame, can drive integral sphere along the longitudinal axis rotation, and there is fixed clamp between rotary frame and support frame. The device is through integral sphere rotation, solves the problem that the probe adjustment needs to move because of the large integral sphere is blocked, and combines the design that opens and closes the hemisphere, and improves the operation convenience and test stability.

A method for depth mapping includes providing a depth mapping device comprising a projector, which is configured to project a pattern of optical radiation onto a target area over a first field of view about a projection axis, and a camera, which is configured to capture images of the target area within a second field of view, narrower than the first field of view, about a camera axis, which is offset transversely relative to the projection axis. The projector projects the pattern onto first and second planes at first and second distances from the camera, and the camera captures first and second reference images containing first and second parts of the pattern on the first and second planes, respectively. The first and second reference images are combined to produce an extended reference image including both the first and second parts of the pattern.

This invention discloses a smart garment with multispectral management and thermal regulation functions, belonging to the field of smart wearable technology. The smart garment includes: a flexible substrate with transparency in a preset long-wavelength band; a spectral management layer integrated on the flexible substrate, configured to block light radiation in the first band (such as ultraviolet light) and allow light radiation in the second band (such as red light and near-infrared light) to pass through; and active thermal regulation components and a controller distributed on the garment. This invention utilizes the spectral management layer (such as containing down-conversion materials) to convert harmful high-energy ultraviolet radiation into beneficial red light, while simultaneously combining a flexible thermoelectric array to actively regulate local skin temperature. This smart garment solves the problems of traditional sun protection clothing's single function and poor heat dissipation, achieving a synergistic unity of light radiation protection, phototherapy care, and human thermal and humidity comfort management.

The invention provides a method for measuring and recording solar radiation in a crop cultivation area based on solar photovoltaic, and relates to the technical field of crop cultivation environment monitoring and solar energy application, and the method comprises the steps: collecting light energy through a solar photovoltaic module to supply power to a system, and combining an efficient radiation sensor angle adjustment and temperature compensation technology; it is ensured that equipment continuously and stably works in different environments, and remote data monitoring is supported. According to the solar photovoltaic crop cultivation area solar radiation measuring and recording method, the problems of angle error and temperature influence in radiation measurement are solved through accurate radiation sensor angle adjustment and temperature compensation technologies. The angle adjustment mode driven by the stepping motor ensures that the sensor accurately aligns to incident light under different conditions, and the measurement deviation during low-angle illumination is reduced. The temperature compensation technology utilizes ambient temperature correction, improves the accuracy of radiation data, and ensures long-term stable optical radiation data recording in a remote crop cultivation area.

The invention relates to the technical field of fire extinguishing control, in particular to a perfluorohexanone and hot aerosol composite synergistic fire extinguishing method and system.The method comprises the steps that in the initial response stage of a fire, fire scene multi-dimensional data in a protection area are collected in real time; wherein the fire scene multi-dimensional data comprises flame optical radiation multi-dimensional spectrum data, heat flow field vector distribution data, oxygen concentration attenuation gradient data and environment pressure pulsation data; based on the transition intensity of a free radical characteristic peak in a flame optical radiation multi-dimensional spectrum, the turbulence characteristic of vector distribution of a heat flow field is combined. According to the method, the boundary of the Stefan flow rejection effect and the Arrhenius thermal quenching effect is quantified by calculating the confrontation loss value and the synergistic interaction compensation window, and the specific interval of which the transmission gain is greater than the confrontation loss is searched on the time axis, so that the cooling capacity of the perfluorohexanone is utilized, and the transmission gain of the perfluorohexanone is improved. The inhibition peak value on the chemical activity of the aerosol is avoided, and the synergistic fire extinguishing of the two medicaments is ensured.

The invention relates to a current-assisted photonic demodulator (1), adapted to detect light radiation, comprising:a detection portion (10), made based on germanium, extending vertically between a rear face (Far) and a front face (Fav) parallel with a main plane, the front face (Fav) being intended to receive light radiation, comprising modulation regions (11) and collection regions (12);a dielectric layer (22), made of at least one electrically insulating material, and extending on and in contact with the rear face (Far);at least one central electrode (EC), intended to be positively polarized, partially passing through the dielectric layer (22) and spaced apart from the rear face (Far) by a non-zero distance, located facing the central zone (Zc) and disposed, in projection in the main plane, between the modulation regions (11).

An optical parametric multi-pass apparatus for generating laser radiation through optical parametric amplification or generation converts pump radiation into signal and idler radiation. It includes a multi-pass device with multiple mirror elements arranged to provide several beam paths from an input section to an output section of the device. The input section receives pump radiation, and the output section delivers signal radiation as the generated laser output. At least one optically nonlinear crystal is positioned within the device to enable the parametric process using the pump radiation. The mirror configuration ensures multiple passes of the beam paths through the crystal. The device is further designed to filter along the beam paths so that idler radiation is suppressed after at least one pass. A corresponding laser apparatus and method for generating laser radiation are also described.

The utility model relates to the technical field of photovoltaic module processing, in particular to a solar photovoltaic module UV curing device which comprises a conveyor, a supporting block, a shell and a shielding assembly. The multiple supporting blocks are installed on the surface of a belt body of the conveyor at equal intervals. The shell is installed in the middle of the top end of the conveyor, openings are formed in the two ends of the shell, and the inner side of the shell is provided with an ultraviolet lamp used for irradiating the photovoltaic module in the using state. The shielding assembly is installed at the top end of the shell, and the two ends extend towards an opening in one end of the shell. According to the utility model, a plurality of photovoltaic modules are driven by the conveyor to be conveyed, so that the photovoltaic modules on the conveyor are continuously conveyed to the inner side of the shell and the photovoltaic modules on the inner side of the shell are discharged, the curing work of the photovoltaic modules is continuously carried out, and the processing efficiency of the photovoltaic modules is improved; and meanwhile, the bottom end of the shielding assembly moves towards the opening of the shell and blocks the opening, so that the eyes and skin of a worker are prevented from being burnt by ultraviolet radiation.

The invention provides an unmanned aerial vehicle ultraviolet radiation characteristic simulation system. The system comprises a light source assembly, a radiation energy gradual change modulation assembly and a beam expanding output assembly. The light source assembly comprises an ultraviolet light source lamp which is used for providing ultraviolet light; the radiation energy gradient modulation assembly comprises two groups of electric control variable attenuation sheet assemblies and a controller, and the controller is used for controlling corresponding motors to drive attenuation sheet discs in the two groups of electric control variable attenuation sheet assemblies to rotate so as to switch combinations of attenuation sheets in the two groups of electric control variable attenuation sheet assemblies, so that energy with different attenuation multiples is generated; the beam expanding output assembly comprises at least two beam expanding output optical lenses; wherein an emission port of the ultraviolet light source lamp, one attenuation piece of attenuation pieces of the electric control variable attenuation piece assembly and the beam expanding output optical lens are sequentially and coaxially arranged, ultraviolet light emitted by the ultraviolet light source lamp is modulated through the electric control variable attenuation piece assembly, beam expanding is conducted on emergent light through the beam expanding output assembly, and therefore the ultraviolet radiation characteristic of the unmanned aerial vehicle is simulated.

Optical couplers having a gradient-index (GRIN) lens and methods of their fabrication are disclosed. In one embodiment, a method of fabricating an expanded beam coupler for propagating an optical signal having a wavelength includes attaching a gradient-index lens to an end-face of an optical fiber, the gradient-index lens having a pitch length that is less than one-quarter, and applying optical radiation to the gradient-index lens until the pitch length of the gradient-index lens is one-quarter.