Diameter: 2.000″+.000″/-.005″
Thickness: 3.00mm +/- 0.10mm
Parallelism: 1 Arc Minute Maximum.
Flatness: 1/4 Wave Per Inch Maximum, Both Faces.
Edge Bevel: 0.010″/0.015″ X 45deg, Both Edges.
Surface Quality: 60-40 per MIL-PRF-13830, Both Faces.
Clear Aperture: Central 1.800″ of Diameter Faces.
Material Type / Quality: Sapphire, Optical Grade.
Crystallographic Orientation: c-Plane
Coating: Antireflective Coated for < 0.50% Reflectance
Per Surface From 1000nm to 2000nm With a
Normal Incidence Angle, Applied to Both Faces.