Silicon Optical Windows, Germanium Optical window

Detailed Product Description

Windows are widely used on optical systems, which are applied to isolate optical system and environment while allowing the light to pass. The material of windows must be considered first, for different material with different transmission range. Also other specifications must be considered with certain environment.

We supply large of windows with different materials, including BK7 glass, other specific glass, Fused Silica, Sapphire, CaF2, K9, Borofloat, etc...

Specifications:

Material: Silicon, Germanium

Dimension Tolerance: +0.0,-0.1mm
Thickness Tolerance: ±0.1mm
Parallelism:30 arc seconds1 arc min
Surface Quality:10/5 60/40
Surface Flatness:λ/10 λ/2
Clear Aperture:>85% of diameter
Bevel:0.25mm x 45°
Coating:Specified by customer