CaF2 Windows

Specifications:

Material: Calcium Fluoride Single Crystal
Transmission Range: 0.17-7.8µm
Dimension Tolerance: +0.0 / -0.15mm
Thickness Tolerance: ± 0.2mm
Clear Aperture: 90% Diameter
Parallelism: < 3 arc minutes
Surface Quality: 80-50 scratch and digs
Flatness: λ /2 @ 633nm