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Infrared window is an optical component that can transmit infrared light, usually made of materials with specific infrared optical properties.
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Fuzhou Chinaproduct orgin :
ChinaWide Infrared Transmittance Windows
These materials have high transmittance, low absorption and scattering in different infrared bands, as well as good optical uniformity and stability. Widely used in military, industrial, and medical fields.
Infrared window selection points:
1. Define the infrared wavelength band (e.g. Ge for 3~5μm, ZnSe for 8~12μm).
2. Consider environmental tolerance (e.g. ZnS+diamond film for military use). 3.
3. Avoid mechanical damage (e.g. ZnSe window needs protective frame).
Specification | |||||
Material | Ge,Si,ZnSe,ZnS,CaF₂,BaF₂,MgF₂,KBr,PMMA | ||||
Size | 0.5-600mm | ||||
Dimension Tolerance |
+0.0, -0.1mm |
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Thickness Tolerance |
± 0.1mm |
||||
Parallelism |
1' (Standard), 10" (High Precision) |
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Flatness | 1λ to λ/20 @632.8nm | ||||
Surface Quality | 60/40(Standard), 10/5(High Precision) | ||||
Effective Aperture | 85% | ||||
Coating | Upon requirement | ||||
Thickness Tolerance | ±0.13 |
Applications:
1. Thermal imaging systems;
2. military night vision equipment;
3. gas detection;
4. spacecraft infrared remote sensing.
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