Germanium optical window with DLC coating

02 Sep 2021

Germanium window has the advantages of high infrared refractive index, wide infrared transmission band, small absorption coefficient and low dispersion. Which is suitable for military and thermal imager, infrared radar and other infrared optical devices.

Diameter Tolerance:   +0.0/-0.02mm
Thickness Tolerance:  ± 0.01mm
Surface Accuracy:      λ/4 @632.8nm
Surface Quality:          60-40
Clear Aperture:           > 90%
Bevel:                         0.2mm×45°
Coating:                     user-defined