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Sapphire visible light optical domes are crafted from single-crystal sapphire, renowned for its extreme hardness and optical clarity. These domes provide superior protection for sensitive optical systems against harsh environments while ensuring minimal optical distortion. Ideal for high-durability applications such as aerospace, defense, and underwater cameras, they offer unmatched resilience and performance.
| Material | Sapphire | |||
| 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% | |||
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No.9 Zhongxing East Road, Lishui Economic Development Zone, Nanjing, Jiangsu, China 
