Diameter: 25.40mm + 0.00mm /- 0.10mm
Thickness: 7.15mm Reference Only (High Side of Wedge)
2.95mm +/- 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 9.38 Degree Incidence Angle.
Wedged Face: Antireflective Coated for < 0.10% Reflectance
@ 1550nm +/- 3nm With 23.90 Degree
Incidence Angle