Diameter: 45.00mm + 0.00mm /- 0.20mm
Thickness: 3.00mm +/- 0.20mm
Parallelism: 1.0 Arc Minute Maximum
Edge Bevel: Light Protective Bevel, Both Edges
Flatness: 1 Wave/25mm Maximum @ 633nm, Both Faces
Transmitted Wavefront Error: 1 Wave Maximum @ 633nm
Surface Quality: 80-50 Per MIL-PRF-13830, Both Faces
Clear Aperture: Central 40.50mm of Diameter Faces
Material Type / Quality: Sapphire, Optical Grade
Crystallographic Orientation: c-Plane
Coating: None, Not Required