Diameter: 32.00mm + 0.00mm /- 0.10mm
Thickness: 8.805mm Reference Only (High Side of Wedge)
3.47mm +/- 0.05mm (Low Side of Wedge)
Wedge Angle: 9.38 Degrees +/- 0.017 Degree
Edge Bevel: Protective Edge Bevel, Both Faces.
Flatness: 1/4 Wave Maximum @ 633nm, Both Faces.
Surface Roughness: < 10 Angstroms Both Faces.
Surface Quality: 40-20 Per MIL-PRF-13830, Both Faces
Clear Aperture: 30.40mm Minimum Diameter (See Drawing)
Material Type / Quality: Silicon, Optical Grade.
Coating: Non-wedged Face: Antireflective Coated for
< 0.10% Reflectance @ 1550nm +/- 3nm
With a 23.90 Degree Incidence Angle.
Wedged Face: Antireflective Coated for < 0.10% Reflectance
With a Normal Incidence Angle and < 25.0% Reflectance
With a Zero to 74.3 Degree Incidence Angle at
1550nm +/- 3nm