Diameter: 0.750″+/-.002″
Thickness: 0.020″+/-.002″
Parallelism: 3 Arc Minutes Maximum.
Edge Bevel: 0.003″/0.007″ x 45 Degrees, Both Edges
Flatness: 10 Waves Per Inch Maximum @ 633nm, Both Faces
Surface Finish: 80-50 Per MIL-PRF-13830, Both Faces
Material Type / Quality: Sapphire, Optical Grade.
Crystallographic Orientation: c-Plane