31 results about "Visible light radiation" patented technology

The invention discloses an inter-ice water channel inversion method based on multi-channel satellite data, and belongs to the technical field of satellite image processing, and the method comprises the steps: obtaining a reflectivity abnormal value of a visible light radiation brightness value and an initial value of a reflectivity abnormal threshold value, and obtaining a brightness temperature abnormal value BTA of a thermal infrared radiation brightness value and an initial value of a brightness temperature abnormal threshold value; step 2, acquiring a pixel credibility matrix; and step 3, adjusting a brightness temperature abnormal threshold value and a reflectivity abnormal threshold value by adopting an iterative dual-threshold adaptive optimization algorithm based on fuzzy classification, calculating a brightness temperature abnormal value membership degree and a reflectivity abnormal value membership degree, and judging the comprehensive probability that the pixel belongs to the inter-ice water channel according to each membership degree and the pixel credibility matrix. According to the method, the dynamic complexity of the polar region environment can be better adapted by utilizing the advantages of the visible light data in the aspect of identifying the boundary and texture of the ground features and the advantages of the thermal infrared data in the aspect of distinguishing the ground features at different temperatures, and the inversion precision of the inter-ice water channel is improved.

A thermal sensor, a thermal sensor array, an electronic apparatus including the thermal sensor, and an operating method of the thermal sensor are provided. The thermal sensor includes a first region onto which first infrared light is incident, a visible light radiation region configured to radiate visible light generated by incidence of the first infrared light on the first region, a second region onto which second infrared light is incident, and an image sensor configured to receive the visible light radiated from the visible light radiation region. The first region, the second region, and the visible light radiation region each include a nonlinear optical material.

The embodiment of the invention discloses a laser processing detection method and equipment. The detection method comprises the following steps: receiving an optical radiation signal of at least one processing point in a laser processing path, wherein the optical radiation signal comprises one or more of an infrared radiation signal, a visible light radiation signal and a processing laser reflection signal; performing photoelectric conversion on the received optical radiation signal through a single-point photoelectric sensor to obtain an electric signal; establishing a corresponding relation representing the change of the electric signal corresponding to the laser processing point in the laser processing process; according to the corresponding relation and a pre-stored normal electric signal corresponding to the processing point of the laser processing standard part, determining processing point data with defects in the initial quality of the processing point of the laser processing part; wherein the normal electric signal is a corresponding changing electric signal value amplitude range in the qualified machining process of the machining point of the laser machining part under one technological parameter; and according to a pre-trained machine learning model, carrying out quality judgment on the machining point data with the defects again so as to determine the quality of the machining points of the laser machining part. According to the embodiment of the invention, an existing multispectral optical detection algorithm and an AI detection algorithm are fused, so that the over-killing number is reduced under the condition of approaching zero missed killing, and the effect of saving the production cost is achieved.

The invention provides a scientific and effective bore port flame evaluation method, which is characterized in that visible light radiation energy is used as an evaluation parameter, high-speed camera shooting testing and flame analysis software are combined, and a real-time flame sequence image is subjected to integral area calibration and gray processing, and the total energy radiated by the flame during the generation period is calculated, so that the evaluation accuracy of the bore port flame is improved. The barrel weapon bore opening flame evaluation method taking the visible light radiation energy as a standard parameter is constructed by taking the visible light radiation energy as three evaluation parameters, namely the visible light radiation energy, comprehensively reflecting the geometric dimension of the flame, the brightness of the flame and the duration time, so that the influence of a test environment can be eliminated, the bore opening flame can be comprehensively and accurately evaluated, and the harmful emission phenomenon can be effectively evaluated; therefore, powerful support is provided for construction of a propellant and charge comprehensive performance evaluation system.

The invention relates of UV-Vis radiation curable coating compositions comprising magnetic or magnetizable pigment particles and methods for producing optical effect layers (OELs) comprising magnetically oriented magnetic or magnetizable pigment particles and the use of said OELs as anti-counterfeit means on security documents or security articles as well as decorative purposes. The UV-Vis radiation curable coating compositions comprises one or more (meth)acrylate monomers, one or more cyclic ether compounds, one or more vinyl ether compounds, one or more photoinitiators, one or more thermoplastic polymers and non-spherical magnetic or magnetisable pigment particles.

A thermal laser is provided that emits narrowband, coherent infrared (IR), mid-infrared (MIR), or visible radiation with an adjustable emission angle. The laser includes a metasurface that produces a narrowband, coherent thermal radiation lobe at a desired frequency. The thermal radiation is coupled with an oscillating Fabry-Perot (FP) resonant mode of a Fabry-Perot cavity having an electrostatically or thermally tunable reflective phase shift at the metasurface. This thermal laser design enables the emission of radiation lobes to be controlled continuously through a range of angles by modulating the phase shift at the metasurface.

The present invention discloses a method for inverting polynyas based on multi-channel satellite data, belonging to the field of satellite image processing technology. The method comprises the following steps: obtaining reflectivity anomalies and initial values ​​of reflectivity anomaly thresholds for visible light radiation brightness values, and obtaining brightness temperature anomaly values ​​(BTA) and initial values ​​of brightness temperature anomaly thresholds for thermal infrared radiation brightness values; secondly, obtaining a pixel credibility matrix; and thirdly, using an iterative dual-threshold adaptive optimization algorithm based on fuzzy classification to adjust the brightness temperature anomaly thresholds and reflectivity anomaly thresholds, calculate the brightness temperature anomaly membership and reflectivity anomaly membership, and determine the comprehensive probability of a pixel belonging to a polynya based on the memberships and the pixel credibility matrix. The method of the present invention utilizes the advantages of visible light data in identifying object boundaries and textures and the advantages of thermal infrared data in distinguishing objects of different temperatures. It can better adapt to the dynamic complexity of polar environments and improve the accuracy of polynya inversion.

The invention relates to the field of solar cells, and discloses a polymer and application thereof, a composition for a packaging adhesive and a method for preparing the packaging adhesive, and the polymer has a structure as shown in a formula (I). The novel compound developed by the invention not only can improve the light transmittance of visible light and promote the absorption of the solar cell to the visible light, but also can efficiently convert the absorbed ultraviolet light into visible light and radiate the visible light by introducing olefin molecules containing carbon-carbon double bonds, increasing a conjugated system and improving the radiative transition rate, thereby further improving the photoelectric conversion efficiency.

The invention relates to a Low-E coated glass comprising a glass substrate (10) and, on the glass substrate, a multilayer stack of coatings arranged for solar control. The Low-E coated glass comprises a single metallic layer (40) that is absorptive in the visible radiation spectrum and located within the interior of the stack, at least one dielectric layer (20), and at least one nucleation layer (30), wherein the ratio of the thickness of the dielectric layer (20) to the thickness of the nucleation layer (30) is in the range of 0,05 to 8,5, and the solar transmittance (%g) of the double glazing according to EN 410 is in the range of 27% to 62%.

A water purification device of the type comprising a unit configured to receive visible radiation, in particular solar radiation, and to convert the visible radiation into electromagnetic energy for amplification and conversion into an ionization energy by means of which the water to be purified is treated, characterized in that the device comprises: a central sphere (10), which is arranged in the central sphere (10); the light source is made of light radiation permeable materials; an equatorial disc (13) of the central sphere (10) made of a material permeable to light radiation and extending beyond the edge of the sphere in an annular equatorial region to define two hemispheres in the sphere; two groups of peripheral spheres, each consisting of four peripheral spheres (12), one sphere (16, 16 ') being placed on the pole of each hemisphere, and the other three spheres (18, 20, 22; 18 ', 20', 22 ') are simultaneously tangent to both the same hemisphere and the annular region of the equatorial disc (13), the polar peripheral spheres (16, 16') in each group being tangent to the three non-polar peripheral spheres (18 ', 20', 22 '; one equilateral pyramid (12, 18, 20, 22) is located at the vertex of the equilateral pyramid, said equilateral pyramid and the other equilateral pyramid interpenetrating at the equatorial disc (13); an equatorial disc (13 ') in each peripheral sphere (12), the equatorial disc (13') being arranged parallel to the equatorial disc (13) of the central sphere (10) made of a material permeable to light radiation; the conveying pipeline (24) is used for water to be purified and is configured to be a Venturi tube (26) which is provided with a contraction section and then connected with a diffusion section; a planar spiral winding (14) made of electrically conductive wires and a planar spiral winding (14 ') made of electrically conductive wires, the planar spiral winding (14) being arranged on the equatorial disc (13) of the central sphere (10) and the planar spiral winding (14') being arranged on the equatorial disc (13 ') of each peripheral sphere (12); a pair of oppositely arranged conical spiral windings (15, 15 ') made of conductive wires, the vertexes of the pair of conical spiral windings (15, 15') being located at the center of the equatorial disc (13 ') of each peripheral sphere (12) and the bottoms of the pair of conical spiral windings (15, 15') being located on the surface of the peripheral sphere; the number of turns of one of the two conical windings is twice of that of the other conical winding, and the winding directions of the two conical windings are opposite; a pair of conductive wire windings (28, 28 ') extending along the contracted section and the diffused section of the transfer conduit (24); a first electrical connection connecting the internal terminals of the conical spiral windings (15, 15 ') of each peripheral sphere (12) to the internal terminals of the planar spiral windings (14') of the same peripheral sphere; a second electrical connection connecting the external terminals of the planar winding (14 ') of each polar peripheral sphere (16, 16') to all other non-polar peripheral spheres (18 ', 20', 22 '; an external terminal of the planar spiral winding (14 ') of the planar spiral winding (18, 18, 20, 22) and an internal terminal of the planar spiral winding (14) of the equatorial disc (13) of the central sphere (10); and a third electrical connection connecting the planar spiral winding (14) of the equatorial disc (13) of the central sphere (10) to the winding (28, 28 ') of the transfer duct (24).

A spinning electromotive assembly comprises a rotor, which is rotatably supported by a stator and comprises motor coils. A control unit is operable to synchronously reverse the polarity of the motor coils. An optical sensor arrangement is connected to the stator and operable to detect ultraviolet or ultraviolet and / or visible radiation of partial discharges induced in the motor coils when the polarity is reversed.

The present invention relates to the field of laser cutting machine tools, and particularly to a multi-axis processing machine tool with a protection function, including a sawtooth conveyor belt machine tool, an electronically controlled Z-axis moving mechanism, an electronically controlled X-axis moving mechanism, an electronically controlled Y-axis moving mechanism, a laser cutting machine, etc. In a multi-axis processing machine tool with a protection function according to the present invention, a transparent observation piece and a filter piece form an observation window with a small range of filter protection outside the laser cutting gun head, which is convenient for staff to closely observe the working state of the laser cutting gun head. At the same time, a water flow protection layer is sprayed on the surface of the transparent observation piece through a liquid spraying head on the flow splitting ring pipe, and high-temperature waste residues and flue gas sputtering towards the transparent observation piece are intercepted in a timely manner. It overcomes the shortcomings that a multi-axis laser cutting machine tool will generate strong ultraviolet and visible light radiation, causing irreversible damage to the human eyes and skin, and the light-shielding pieces surrounded on a large area along the machine tool edge will hinder the staff from closely observing.

The current invention describes the synthesis of heterogeneous composite comprising laponite and heptamolybdate by wetness impregnation method. Different experimental settings were used to carry out the synthesis, including the heptamolybdate ammonium dose (1.5, 1 or 0.5 g), ion exchanger dose tetrabutyl ammonium bromide (0.5, 0.25 or 0.125g), reaction duration (12 or 24h) and calcination temperature (200, 300 and 400 °C) for 2 hours. The optimal synthesis composition of the laponite / molybdate (Lap-Mo) is as follows: 5 g of Lap + 0.5 g of TBA + 1.5 g of heptamolybdate ammonium with reaction duration of 24 h and a calcination temperature of 300 °C for 2 hours under air. The laponite / molybdate composite have been used in an AOP to degrade MB dye in presence of H2O2 as an oxidant under visible light radiation. The AOP experiment have been optimized using RSM based on BBD. Under the optimum conditions: contact time=72 min, [H2O2 / Lap-Mo] wt% ratio= 1.24, dye concentration= 20.95 mg.L-1 pH= 8.3 reaching a 99% of degradation rate. The Lap-Mo catalyst degradation efficiency was also tested for other dyes such as safranin T (ST) and rhodamine B (RhB) as cationic dyes and methyl orange (MO) as anionic dye. Indeed, they exhibits a highly degradation rate equal to 96, 90 and 89% for ST, RhB and MO, respectively. Advantageously, the invention intends to promote, profitably, and efficiently dye degradation using the laponite / molybdate composite. Furthermore, the potential of the invention falls within the framework of improving wastewater treatment and paves the way to more areas of application in multiple industries.

The invention relates to an optical calibration system. The optical calibration system comprises a base; the optical assembly comprises a supporting frame and a reflecting mirror, the reflecting mirror is arranged on the supporting frame in the mode that the mirror surface area is adjustable, and the supporting frame is movably arranged on the base so that the reflecting mirror can reflect the received light rays to the remote sensing satellite. By moving the support frame relative to the base, the mirror surface angle of the reflector can be adjusted, so that the reflector can reflect the received light to a remote sensing satellite. By adjusting the mirror surface area of the reflector, the energy of the light reflected by the reflector can be adjusted. And when the area of the reflecting mirror is large, more light can be reflected by utilizing the large area. And when the area of the reflecting mirror is small, less light is reflected by utilizing the small area. Moreover, the calibration system can reflect the visible light band radiation of the sun to serve as a visible light point source to calibrate the visible light remote sensing load, and can also reflect the infrared band radiation of the sun to serve as an infrared point source to calibrate the infrared remote sensing load.

This invention relates to the field of solar cells, and discloses an organic compound and its applications, a composition for encapsulating adhesives, and a method for preparing encapsulating adhesives. The organic compound has the structure shown in formula (I). The organic compound provided by this invention has strong absorption of ultraviolet light, which is then converted into visible light and radiated. Furthermore, the ultraviolet light conversion encapsulating film containing the organic compound of this invention has high transmittance, which can increase the transmittance of visible light and thus improve the photoelectric conversion efficiency of photovoltaic modules.

According to the screen protection film and the terminal provided by the embodiment of the invention, by using the screen protection film, the temperature rise of the terminal caused by solar radiation can be reduced, the temperature of the terminal is reduced, the terminal runs more smoothly, and the possibility of generating a thermal safety problem is reduced. The screen protection film is used for being arranged on the outer side of a terminal screen and comprises a radiation refrigeration layer which comprises a first substrate, a second substrate, a plurality of first polymer layers and a plurality of second polymer layers, and the first polymer layers and the second polymer layers are located between the first substrate and the second substrate; the multiple first polymer layers and the multiple second polymer layers are alternately stacked, and the radiation refrigeration layer is used for reflecting at least part of infrared rays and transmitting visible light; the radiation refrigeration layer is a flexible layer; the surface hardening layer is located on the side, away from the terminal screen, of the radiation refrigeration layer and used for increasing the surface hardness of the screen protection film; wherein the refractive index of the first polymer layer is higher than that of the second polymer layer.

A reactor for photocatalytic reduction of carbon dioxide includes a first reactor, a second reactor, and a light source. The first reactor includes a multiplicity of hollow-fiber membranes. The first reactor is configured to solubilize gaseous carbon dioxide to yield aqueous carbon dioxide. The second reactor is in fluid communication with the first reactor and includes a side-emitting polymeric optical fiber with a photocatalytic coating. The second reactor is configured to accept the aqueous carbon dioxide and the photocatalytic coating includes an iron-based metal-organic framework. The light source is optically coupled to the side-emitting polymeric optical fiber. Reducing carbon dioxide includes solubilizing gaseous carbon dioxide to yield aqueous carbon dioxide, contacting a side-emitting polymeric optical fiber including a photocatalytic coating with the aqueous carbon dioxide, and providing visible radiation to the side-emitting polymeric optical fiber, thereby reducing the aqueous carbon dioxide. The photocatalytic coating includes an iron-based metal organic framework.

The true impact of preharvest factors such as crop load, canopy position, cultivar and rootstock on peach internal quality can be determined using multivariate visible light radiation (Vis) and near infrared spectroscopy (NIRS) prediction models to non-destructively assess peach internal quality (dry matter content, DMC; soluble solids concentration, SSC) and maturity (index of absorbance difference, IAD). A novel crop load×fruit developmental stage protocol allowed accurate multivariate Vis-NIRS-based prediction models development for three major yellow fleshed peach typologies (fully red over-colored, early-ripening bi-colored and late-ripening bi-colored) to non-destructively assess peach internal quality (DMC and SSC) and maturity (IAD) with a single scan during fruit growth and development in the field. The impact of preharvest factors such as crop load and canopy position on peach quality and maturity can be evaluated across a variety of peach cultivars using this novel technology.

Red light lamps for the medical treatment of age-related macular degeneration (AMD), characterized by the creation of therapeutic eyewear for AMD treatment coated with a red fluorescent lacquer that converts visible radiation into a broad spectrum of red fluorescent radiation effective for medical AMD treatment, in the spectral range of 620 nm to 680 nm.

The application relates to the field of solar cells, and discloses an organic compound containing a benzotriazole structure, application of the organic compound, a composition for encapsulation glue, and a method for preparing encapsulation glue. The compound provided by the application has a structure shown in formula (I), H on an ortho-methyl group forms a weak interaction with a nitrogen atom, a whole chelate ring is formed, absorption of ultraviolet light is increased, after the ultraviolet light is absorbed, energy is transferred to a light-emitting unit through intramolecular charge transfer, and then the energy is converted into visible light radiation, absorption of visible light by the solar cell is promoted, and photoelectric conversion efficiency is improved.

An engineering prediction method for visible light radiation characteristics is proposed. First, for a hypersonic vehicle, a typical state is selected, and thermochemical nonequilibrium flow field calculations are performed. The flow field is sufficiently large to cover all high-temperature flow fields within the observation direction. Then, based on the flow field calculation results, information such as the observation direction, observation field angle, and observation band is set, and the light radiation intensity is calculated using the radiation characteristic engineering prediction method. This invention addresses the problems of low accuracy and difficulty in engineering application of high-temperature gas radiation characteristic prediction in the thermochemical nonequilibrium region by establishing an engineering prediction method for high-temperature gas radiation characteristics applicable to the visible light band based on thermochemical nonequilibrium flow fields.

The present invention relates to a process for the production of a security element, which comprises an optical structure with relief effect, comprising a) providing a (flexible) substrate suitable for aligning liquid crystals; b) depositing a curable composition, or a solvent-based composition, comprising a polymer, which is insoluble in the liquid crystal composition from step e) after evaporation of solvent, in a pattern on the substrate; c) optionally evaporating the solvent of the curable composition by applying IR-radiation and / or thermal drying; or evaporating the solvent of the solvent-based composition by applying IR-radiation and / or thermal drying; d) curing the pattern of the curable composition deposited in step b) by means of UV / VIS radiation or electron beam, wherein the curable composition and the solvent-based composition comprise at least one silicone compound having at least one functional group; preferably having at least two functional groups; and / or at least one silicone compound having at least one polymerizable group, especially having at least one ethylenically unsaturated group; preferably having at least two polymerizable groups, especially having at least two ethylenically unsaturated groups; e) applying a liquid crystal composition on at least a part of the substrate and on at least part of the pattern; f) optionally evaporating the solvent of the liquid crystal composition by applying IR-radiation and / or thermal drying; g) curing the liquid crystal composition deposited in step e) by means of UV / VIS radiation or electron beam; and a security element, comprising a substrate suitable for aligning liquid crystals; a pattern deposited on the substrate; and a layer of liquid crystals (i) disposed on at least part of the substrate, a layer of liquid crystals (ii) disposed next to the pattern having a higher thickness than layer (i) (due to dewetting of liquid crystal material from the pattern) and the dewetted pattern (iii). The security element is obtainable by the above-described process and shows different color flop and color intensity in the layers (i) and (ii) of liquid crystals upon tilting of the substrate.

The present invention relates to a topical composition which produces a photon barrier from ultraviolet radiation to visible radiation, said topical composition comprising a colloidal bismuth oxide Bi2O3 in crystalline form doped with a metal.

The invention relates to the field of solar cells, and discloses an organic compound containing a benzotriazole structure, application of the organic compound, a composition for a packaging adhesive and a method for preparing the packaging adhesive. The compound with the structure as shown in the formula (I) comprises a benzotriazole structure, serves as an ultraviolet light conversion agent, absorbs ultraviolet light, transfers energy to a light-emitting unit through intramolecular charge transfer, then converts the energy into visible light and radiates the visible light out, visible light absorption of a solar cell is promoted, the utilization rate of sunlight is increased, and the service life of the solar cell is prolonged. Therefore, the photoelectric conversion efficiency of the photovoltaic module is improved.

The present application provides a class of resorcinol derivative compounds shown in formula A, which can be used for preparing drugs for inhibiting hyperpigmentation, and cosmetic, non-therapeutic uses for treating hyperpigmentation. The compounds of the present application have significant effects on inhibiting pigment deposition caused by ultraviolet and / or visible light radiation, skin anti-aging, etc. Wherein W is T is H, or R 1 to R 8 The definitions are as defined in the specification.

The invention relates to the field of solar cells, and discloses a polymer and application thereof, a composition for a packaging adhesive, a method for preparing the packaging adhesive, a polymer and application thereof, a composition for the packaging adhesive and a method for preparing the packaging adhesive. The polymer provided by the invention comprises a benzotriazole structure, is used as an ultraviolet light conversion agent, absorbs ultraviolet light, transfers energy to a light-emitting unit through intramolecular charge transfer, converts the energy into visible light and radiates the visible light, so that the absorption of the solar cell to the visible light is promoted, the utilization rate of sunlight is improved, and the service life of the solar cell is prolonged. Therefore, the photoelectric conversion efficiency of the photovoltaic module is improved.

The present invention relates to a local composition for producing a light shield in the ultraviolet to visible radiation range comprising bismuth oxide colloid Bi2O3 in a metal-doped crystalline form.

A controllable flower-like BSO photocatalyst with nanosheet stacking and its preparation method are disclosed. The method involves improving and controlling the growth of bismuth silicate by introducing CTAB and CTAC to construct a heterogeneous photocatalyst with controllable band gap and morphology. The addition of CTAC reduces the particle size of the sheet-like powder and decreases its packing density, while the addition of CTAB promotes the formation of a flower-like structure. Combined with the synergistic effect of the two dispersants, BSO is modified to control the formation of the heterogeneous structure, resulting in a controllable flower-like structure with thin sheet stacking. This effectively increases the surface area and significantly improves the absorption rate of visible light radiation. The method is simple to operate, and the prepared powder has a uniform particle size distribution and good dispersibility. The resulting composite material not only incorporates the effects of the new heterostructure, but the smaller and thinner sheet-like structure also provides more active sites, exhibiting higher photocatalytic performance. This photocatalyst also has broad applicability to antibiotics and is recyclable.

The present invention relates to a vehicle trim element (10) comprising:a casing (12) extending in a thickness direction between a support element (14) and a decorative element (20),a radar (30) emitting electromagnetic radiation in the thickness direction, said radar (30) being positioned outside the casing (12), the electromagnetic radiation traversing said casing in an emission zone,a light source (32) extending in the casing, said light source (32) emitting visible light radiation,characterized in that the light source (32) extends around the emission zone and illuminates the decorative element (20), a part of the light radiation being reflected in the casing (12) so as to direct said part of the radiation in the thickness direction in the emission zone.

The invention relates to a plasma visible radiation power measurement system and method, belongs to the technical field of visible radiation performance measurement, and solves the technical problems of insufficient linear dynamic range, low sensitivity and incapability of quantitative measurement in visible radiation power measurement. The measuring system comprises a vacuum pipeline, a diaphragm, a quartz vacuum sealing window, a reflecting mirror, an electromagnetic shielding box, a signal synchronizing and recording module, a photoelectric detector, a beam splitting type optical fiber bundle, an optical filter, an optical attenuation piece and a storage module. The measuring method comprises the steps that the plasma radiation source to be measured emits visible light and a trigger electric signal, the visible light is transmitted to the photoelectric detector through the diaphragm, the quartz vacuum sealing window, the reflector, the beam splitting type optical fiber bundle, the optical filter and the optical attenuation piece, the trigger electric signal triggers the data acquisition unit to receive an electric signal of the photoelectric detector, and the electric signal is stored in the storage module.