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ZnSe infrared domes are fabricated from zinc selenide, a material chosen for its exceptional infrared transparency and durability. These domes are used to shield and enhance infrared sensors and imaging systems, crucial in applications like thermal imaging and missile guidance. Their high transmissivity across a broad IR spectrum ensures optimal performance.
Material | ZnSe | |||
Specification | Customized | |||
Diameter Range | 20mm-200mm | |||
OD Tolerance | ±0.02mm-±0.1mm | |||
Center Thickness Tolerance | ±0.03mm-±0.1mm | |||
Total High Tolerance | ±0.02mm-±0.05mm | |||
Concave Sag | ±0.02mm-±0.05mm | |||
Surface Quality | 80/50, 60/40, 40/20 | |||
Surface Roughness | Ra≤0.04um | |||
Surface Accuracy | PV λ:λ/2, λ/4 | |||
ETV | ≤5′ | |||
Transmittance | AR≥97%; DLC+AR≥90% |