Diameter: 1.400″+.000″/-.005″
Thickness: 3.00mm +/- 0.10mm
Parallelism: 2 Arc Seconds Maxium
Edge Bevel: 0.010″/0.015″ x 45 Degrees, Both Edges.
Clear Aperture: Central 1.260″ Diameter, Both Faces.
Flatness: 1/10 Wave Per Inch Maximum at 633nm, Both Faces
Surface Quality: 10-5 Per MIL-PRF-13830, Both Faces.
Material Type / Quality: Sapphire, Optical Grade.
Crystallographic Orientation: c-Plane
Coating: None, Not Required