Germanium Windows    Size of the windows can be customized according to users’ needs

              

Material:Germanium

Diameter (Dimension) Tolerance:+0.0/-0.1mm

Thickness Tolerance:±0.1mm

Surface Accuracy:λ/4@632.8nm

Surface Quality:60-40

Parallelism:<1'

Clear Aperture:>90%

Bevelling:<0.2×45°

Coating:Custom Design