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SiO2 visible light optical domes, crafted from high-purity silica (SiO2), offer exceptional clarity and transmission for visible light applications. These domes protect sensitive optical elements while maintaining high optical performance due to silica’s excellent thermal and chemical stability. Ideal for aerospace, scientific instrumentation, and harsh-environment applications, they ensure durability and precision.
Material | SiO2 | |||
Specification | Customized | |||
Diameter Range | 20mm-200mm | |||
Outside diameter 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 | 60/40, 40/20, 20/10 | |||
Surface Roughness | Ra≤0.04um | |||
Surface Accuracy | PV λ:λ/2, λ/4 | |||
ETV | ≤5′ | |||
Transmittance | AR≥97%; DLC+AR≥90% | |||