Diameter: 0.588″+.000″/-.002″
Thickness: 0.125″+/-.002″
Bevels: 0.015″ Maximum Face Width, Both Egdes
Parallelism: < 30 Arc Seconds
Suirface Figure: Power: 1 Wave Maximum @ 633nm, Both Faces
Irregularity: 1/2 Wave Maximum @ 633nm, Both Faces
Surface Quality: 40-20 Per Mil-PRF-13830, Both Faces
Surface Roughness: < 50 Angstroms RMS, Both Faces
Clear Aperture: Central 0.525″ Diameter, Both Faces
Material Type / Quality: Sapphire, Optical Grade
Crystallographic Orientation: c-Plane
Coating: None, Not Required