Diameter: 0.750″+/-.001″
Thickness: 0.019″+/-.001″
Wedge Angle: < 3 Arc Minutes
Flatness: 5 Waves Maximum @ 633nm, Both Faces
Edge Bevel: Light Protective Bevel, 2 Places
Surface Finish: 80-50 Per MIL-PRF-13830, Both Faces
Clear Aperture: Central 0.675″ Diameter Faces
Material Type / Quality: Sapphire, Optical Grade
Crystallographic Orientation: c-Plane
Coating: Antireflective Coated for < 0.25% Reflectance
per Surfaace at 1300nm With a Normal Incidence
Angle, Applied to Both Faces