Configuration: Elliptical, Plane-Parallel
Length (Major Axis): 0.866″+/-.005″
Width (Minor Axis): 0.551″+/-.005″
Thickness: 0.020″+/-.005″
Edge Bevels: Light Protective Bevel, Both Faces
Parallelism: 1 Arc Minute Maximum
Transmitted Wavefront Error: 1/4 Wave Maximum @ 633nm
Surface Quality: 60-40 Per MIL-PRF-13830, Both Faces
Material Type/quality: Sapphire, Optical Grade
Crystallographic Orientation: c-Plane
Coating: None, Not Required