Ge windows Diameter Tolerance:+0, -0.1mm Surface Quality: 60-40 scratch and Surface Figure: :lambda/2 at 632.8nm Ge windows

Specifications:

Ge windows Material:	Ge
Dimension Tolerance:	+0.0, -0.1mm
Thickness Tolerance:	± 0.1mm
Surface quality:	60/40
Clear Aperture:	>85%
Flatness:	λper 25mm
Parallelism:	3'
Bevel:	<0.25mm X 45°
Coating:	Upon requirement

Ge windows