Sapphire Windows
Specifications
Material: Anisotropic synthetic sapphire crystal (Al2O3)
Orientation: Random
Diameter Tolerance: +0.0, -0.1mm
Thickness Tolerance: ± 0.2mm
Clear Aaperture: >80%
Parallelism: 3 arc minutes
Surface Quality: 80-50 scratch and dig
Flatness: l per 25mm at 633nm
Protective Bevel