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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