Diameter: 100.00mm + 0.00mm /- 0.10mm
Thickness: 4.00mm +/- 0.10mm
Parallelism: < 3 Arc Minutes.
Edge Bevel: Light Protective Bevel, Both Faces.
Transmitted Wavefront Error: Power: 1/2 Wave Maximum
@ 633nm, Both Faces
Irregularity: 1/4 Wave Maximum
@ 633nm, Both Faces
Power & Irregularity Apply to Any
12.70mm Diameter Sub-Aperture
Within the Overall Clear Aperture
Surface Quality: 40-20 Per MIL-PRF-13830, Both Faces
Clear Aperture: Central 92.00mm Minimum Diameter, Both Faces
Material Type / Quality: Sapphire, Optical Grade
Crystallographic Orientation: c-Plane
Coating: None, Not Required