40 results about "High irradiance" patented technology

Micro-channel-cooled UV curing systems and components thereof are provided. According to one embodiment, a lamp head module includes an optical macro-reflector, an array of LEDs and a micro-channel cooler assembly. The array is positioned within the reflector and has a high fill factor and a high aspect ratio. The array provides a high irradiance output beam pattern having a peak irradiance of greater than 25 W / cm2 at a work piece surface at least 1 mm away from an outer surface of a window of the reflector. The micro-channel cooler assembly maintains a substantially isothermal state among p-n junctions of the LEDs at less than or equal to 80° Celsius. The micro-channel cooler assembly also provides a common anode substrate for the array. A thermally efficient electrical connection is formed between the array and the common anode substrate by mounting the array to the micro-channel cooler assembly.

The invention relates to a solar absorber comprising an absorber body (10) provided with an absorption layer (17) on the side thereof on which the radiation concentrated by a concentrator is incident, and an absorption layer (18) on the opposite side. The absorption layer on the side facing the concentrator has a higher boundary wavelength than the opposing absorption layer. In this way, in the region of higher irradiance, the limit of the radiation emission of the absorber body is shifted to longer wavelengths such that both sides of the absorber body are operated with the respectively highest possible directivity.

The invention discloses a D-A-D cyclometalated iridium complex near-infrared luminous material based on aryl quinoxaline. The near-infrared cyclometalated iridium (III) complex comprises a D-A-D C^N cyclometalated ligand taking aryl quinoxaline as an electron acceptor (A) unit and an electron-rich substituent group as an electron donor (D) unit, and an acetylacetone, dibenzoyl methane and pyridinecarboxylic acid auxiliary ligand. The material can emit strong near-infrared light with luminous wavelength greater than 700nm and is high in fluorescence quantum efficiency; an aggregation state isadjustable; the highest external quantum efficiency of a doped polymer electroluminescent device reaches 6.2%; and the highest irradiance of the device is 1416 microwatts / Sr / cm<2>.

Liquid crystal devices are described that maintain performance of polarization / amplitude modulation under high irradiance conditions. Configurations that isolate polarizing elements under high thermal load are discussed which allow other elements, such as glass, which may be sensitive to stress birefringence to remain near optimum thermal conditions.

Liquid crystal devices are described that maintain performance of polarization / amplitude modulation under high irradiance conditions. Configurations that isolate polarizing elements under high thermal load are discussed which allow other elements, such as glass, which may be sensitive to stress birefringence to remain near optimum thermal conditions.

Provided is a material for organic electroluminescent devices which is composed of a compound having a specific structure which is low in symmetry. An organic electroluminescent device comprising an organic thin film layer which is composed of one or more layers including at least a light-emitting layer and sandwiched between an anode and a cathode is also disclosed wherein at least one layer of the organic thin film layer contains the above-described material for organic electroluminescent devices. The material for organic electroluminescent devices or an organic electroluminescent device that has high irradiance efficiency wihout pixel defects and has a high luminous efficiency, excellent heat resistance and long life.

Liquid crystal devices are described that maintain performance of polarization / amplitude modulation under high irradiance conditions. Configurations that isolate polarizing elements under high thermal load are discussed which allow other elements, such as glass, which may be sensitive to stress birefringence to remain near optimum thermal conditions.

The invention discloses polyester resin with high humidity and heat resistance and high irradiance as well as a preparation method and application thereof. An acid value of the polyester resin is 25 to 45 mg KOH / g, a hydroxyl value is smaller than 3mgKOH / g, a glass transition temperature is 55 to 70 DEG C, 200 DEG C melt viscosity is 4500 to 7500 mPa.s, and 180 DEG C reactivity is 210 to 310s. Thepolyester resin disclosed by the invention has the performance of appropriate acid value, lower hydroxyl value, appropriate glass transition temperature, melt viscosity, reactivity and the like. Thepolyester resin disclosed by the invention has the advantages of concise preparation technology short synthesizing time and low preparation cost; the prepared polyester resin has good hue and is favorable for large-scale production and wide application; meanwhile, when the polyester resin is prepared into powdery paint, the powdery paint has excellent mechanical property, further has very strong weather resistance under the high humidity and heat environment and is especially suitable for protecting outdoor products under the weather with high humidity and heat and high irradiance in southernof China.

A disclosed multi-light-path near-ultraviolet irradiation simulator comprises a xenon lamp, a condenser, an integrator, a long-focal-length lens and a collimating mirror; light emitted by the xenon lamp is converged by the condenser and passes through an opening at the sidewall of a chamber I and enters a chamber II, the integrator is arranged at the other sidewall of the chamber II, and light is uniformized by the integrator, is emitted in a divergent way, then meets a reflector at the hypotenuse of a right-angled-triangle chamber, then is reflected at 45 DEG and meets the long-focal-length lens, and is uniformly irradiated by the long-focal-length lens in a divergent way. The multi-light-path near-ultraviolet simulator has the advantages of large irradiation area, high irradiance and usage agility. Aiming at a test piece with the area less than an area with the diameter of 180 mm, a large-irradiance work module with collimation type 10 ultraviolet constant is employed for tests, test time is saved. Aiming at an integral or spliced test piece with the area close to an area with the diameter of 300 mm, a work module with 5 ultraviolet constant is employed, the irradiation scope is amplified and test efficiency is improved.

The invention provides a portable uniform solar light source with large irradiation surface and high irradiance, which includes a parabolic condenser 101, a short-arc xenon lamp 102, a protective glass 103, a short-arc xenon lamp installation and adjustment mechanism 201, a parabolic condenser installation and adjustment mechanism 202, and a protective glass installation Seat 203, box body 204, support base 205, No. 1 axial fan 301, No. 2 axial fan 302, No. 3 axial fan 303, No. 4 axial fan 304, No. 5 axial fan 305 and No. 6 axial fan Fan 306 is formed. The short-arc xenon lamp 102 is located at the focal point F of the parabolic condenser 101, and can form a uniform light spot with an irradiation area of ​​500mm and an irradiation intensity of 1353w / ㎡ at a working distance of 1500mm.

The fault diagnosis method and diagnostic equipment provided by the present invention are applied in the technical field of photovoltaic power generation. After obtaining the high-irradiance IV data set and the low-irradiance IV data set of the diagnostic object, the method takes any IV data set as the target IV data Set, filter the target IV data as the inflection point data in the target IV data set, use another IV data set as the reference IV data set, and filter the IV data corresponding to the same voltage value as the target IV data in the reference IV data set, as the reference IV data. If the reference IV data also belongs to the inflection point data, the mismatch type of the diagnostic object is determined according to the change result of the target IV data and the reference IV data following the irradiance. The method analyzes the IV data under different irradiation conditions to determine whether the mismatch fault of the diagnostic object is the front current mismatch or the rear current mismatch, so as to realize the decoupling of the fault determination results of the diagnostic object and improve the accuracy of fault diagnosis.

The invention relates to a nuclear environment-resistant cable insulation material, the mass components of which are binary ethylene-propylene rubber-methyl methacrylate copolymer: 100 parts; a mixture of nanometer aluminum hydroxide and aluminum hydroxide: 135-145 parts ; Calcined kaolin: 15-20 parts; 2,2,4-trimethyl-1,2-dihydroquinoline and N-isopropyl-N'-phenyl-p-phenylenediamine: 2.5-4.5 N,N'-bis(2,2,6,6-tetramethyl-4-piperidinyl)-1,3-phthalamide and 2-(2'-hydroxy-5'-tert-octyl phenyl) benzotriazole mixture: 2.5 to 3.6 parts, etc. The preparation method of the insulation material is as follows: the ingredients are mixed, rubber filtered, kneaded, sliced ​​and extruded in sequence, and prepared under the requirements of specific process parameters. This product solves the technical problems such as poor radiation resistance under the high radiation environment of the cable environment, meets the needs of the special high-demand occasion of the third-generation nuclear power plant, and fully meets the requirements of nuclear-resistant environment cable insulation materials.

A lighting module and a lighting assembly provide high irradiance at long working distances. The lighting module includes at least two rows of multiple LEDs separated from each other by an intermediate area between the rows and one integral optical element on top of the at least two rows of multiple LEDs. The one integral optical element includes one collimator lens portion per row of LEDs extending along the row of LEDs. The collimator lens portions of different rows are merged together above the intermediate area. The collimator lens portions, seen in a direction perpendicular to the at least two rows, provide an off-axis focus for the one collimator lens portion, and focus light emitted from the at least two rows of multiple LEDs in a focus line extending parallel to the rows of LEDs at a focus distance above the optical element.

The invention relates to a kind of organic electrization irradiance subassembly, it possesses irradiance layer, the irradiance layer includes macromolecule conducting main material which can be solidified by illumination, fits for colored display by spin coating method, and the irradiance layer includes at least one little molecule irradiance material to realize high irradiance efficiency. The subassembly can not be limited by molecular weight distributing of macromolecule conducting main material on color fineness.

The invention provides a spectrum irradiance standard light source which is used for radiometric calibrations of ultraviolet optical instruments, which comprises a light source component, a lifting holdfast, a collimating component and a lamp chamber, wherein a window which is used for output xenon lamp radiations is opened on the front end of the lamp chamber, an xenon lamp power supply is connected with an xenon lamp electrically, a port of a cylinder lens hood is communicated with the window which is on the lamp chamber and installed concentrically, a piece of lens and a diaphragm are arranged in turn on an xenon lamp radiation light path inside the lens hood, the xenon lamp is located on the focus of the lens, the diaphragm is located on the other side of the lens, the collimating component and the lamp chamber are installed commonly on the lifting holdfast. An extra-quiet xenon lamp which is selected by the invention has a short arc xenon lamp which has a comparatively strong radiation strength in an ultraviolet wave band, the invention also adopts a highly durable cathode which enables arc points of the xenon lamp with no drifts and fluctuations, the light source can be usedfor ultraviolet wave band 200-2000nm, visible wave band and near infrared wave band, and in particular for the ultraviolet wave band with a wave length less than 400nm, and the signal-to-noise ratio of calibrations can be increased effectively due to high irradiances.

A singlet telescope is provided for reshaping the laser beam to a larger or smaller diameter while maintaining the inherent quality of the beam. Applications for the singlet telescope include intercavity expansion to accommodate the damage thresh-old of various components, expansion of beams to match the size of different wavelengths for final collimation, and shrinking of beams to provide high irradiance for nonlinear processes such as optical parametric oscillation and frequency doubling, with the above applications usually requiring low power magnification or demagnification. Problems involving the utilization of these telescopes over wide temperature ranges and ghost reflections in which a light is reflected back to a pumping laser are minimized with the singlet construction, with the ghost reflections potentially creating damage of components including self-damage or breakdown of air, as well as damage to a Q-switched resonator which causes pre-lasing.