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Si Window & Lens
Ir Optics Lens Wholesale
Product Details of Silicon Lens
In the range of 3-5 μ m, silicon is the most commonly used material for making optical lens and optical window in high-efficiency infrared imaging system. Silicon has the characteristics of high refractive index (about 3.4 at 3-5 μ M band), small surface curvature and color difference.
Opticreate produces high-precision silicon window and lens, could do AR coating and DLC (Diamond like carbon) coating according to customers' requirements. We are Silicon Window Supplier.
Material |
Si |
Diameter tolerance |
+0.0/-0.05mm |
Diameter |
D2-D300mm |
Focal length tolerance |
±2%（for lens） |
Centration |
≤0.01mm(high precision 0.005mm) |
Power |
1λ |
Irregularity |
λ/4 |
Surface Quality |
40-20 |
Bevel |
0.25 mm × 45° |
Coating |
AR Coating，DLC coating（Diamond like carbon） |
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