Si Window & Lens
Product Details of
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.
Opticreateproduces high-precision silicon window and lens, could do AR coatingand DLC (Diamondlikecarbon)coating according to customers' requirements. We are.
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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 |
|
|
Coating |
AR Coating，DLC coating（Diamond like carbon） |
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