Diameter: 25.00mm + 0.00mm /- 0.10mm
Thickness: 2.05mm +/- 0.05mm
Parallelism: < 10 Arc Seconds
Edge Bevel: 0.20mm Maximum Face Width, Both Edges
Surface Accuracy: Power: 1 Wave Maximum @ 633nm
Irregularity: 1 Wave Maximum @ 633nm
Surface Quality: 40-20 Per MIL-PRF-13830, Both Faces
Clear Aperture: Central 22.50mm Minimum Diameter, Both Faces
Material Type / Quality: Sapphire, Optical Grade
Crystallographic Orientation: c-Plane
Coating: Antirelective Cooated for < 0.50% Reflectance
From 800nm to 1550nm With a Normal Incidence Angle
Applied to One Face Only
Marking: Arrow on OD Surface Pointing Towards the Coated Fa