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China, Chinese Infrared Transmitting Visible Absorbing Glass1 Industrial Products Supplier Manufacturer Details, price list catalog:
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Optical Lens InstrumentOptical FilterInfrared Transmitting Visible Absorbing GlassInfrared Transmitting Visible Absorbing
Shanghai Anttrans Technology Co., Ltd
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Product Description Product DescriptionInfrared transmitting visible absorbing glass is a special type of optical glass characterized by its high absorption of visible light(400-760 nm)and high transmission of specific infrared wavelengths(typically 760 nm-25μm),achieving the optical function of"blocking visible light while transmitting infrared light".Core CharacteristicsStrong Spectral Selectivity:Precisely separates visible light from infrared light,with visible light transmittance typically below 5%and transmittance of specific infrared wavelengths reaching over 70%.High Stability:Physically and chemically stable,resistant to high temperatures and humidity,with no significant spectral drift or performance degradation over long-term use.Good Processability:Can be manufactured into various forms such as flat plates,lenses,and window panes to meet the structural requirements of different optical components.Main FunctionsFiltering Function:Efficiently filters out visible light interference,allowing only the target infrared wavelength light to pass through,enhancing the signal-to-noise ratio of infrared detection systems.Thermal Insulation Function:Blocks the heat carried by visible light(such as the visible light thermal radiation in sunlight)while not affecting infrared signal transmission,providing dual functions of"light transmission(infrared)"and"thermal insulation".Protection Function:Protects infrared detectors from radiation damage caused by visible light and ultraviolet rays,extending the service life of the devices.Application Areas:Application RangesInfrared Detection and Imaging:Optical windows/filters for infrared thermometers,infrared thermal imagers,and infrared cameras,ensuring that the devices only receive infrared signals.Security and Surveillance:Lens glass for nighttime infrared surveillance systems,avoiding visible light interference and enhancing nighttime infrared imaging clarity.Industrial and Medical:Protective windows for industrial infrared heating equipment(such as infrared dryers),optical components for medical infrared diagnostic instruments(such as infrared thermometers).Military and Aerospace:Optical windows for military infrared-guided weapons,filter elements for satellite infrared remote sensing systems,meeting the infrared signal transmission requirements under harsh environmental conditions.Product Parameters ParametersCharacteristicsGradeThickness (mm)A[ 2856k] D65 Chemical Stability NDα×10-7 (°C-1)Tg (°C)Ts (°C)SxyYxyYDADWAT110.6120.2600.20.3 250.1110.1131.525 2.53AT31 131.525 2.53AT41 131.5253 2.53Technical RequirementsGradeThickness (mm)400 (nm)700 (nm)800 (nm)860 (nm)900 (nm)1100 (nm)AT11≤14.0≤6.0≤30.0 ≥85.5AT31≤0.5≤1.0 ≤37.0 ≥75.0AT41≤0.1 ≤5.0 ≤38.0≥75.0Bubbles, Streaks, Stress LevelsGradeBubblesStreaksStressAT1C-B43AT3C-B43AT4C-B43Detailed Photos
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