Major Diameter: 0.500″+.000″/-.004″
Land Diameter Face: 0.400″+/-.005″
OD Taper Angle: 30.00 Degrees +/- 0.25 Degree
(See Drawing)
Thickness: 0.079″+/-.001″
Edge Bevel: Minimal Light Protective Bevel,
Non-Tapered Face Edge
Parallelism: < 1.0 Arc Minute
Flatness: 1.0 Wave Maximum @ 632nm, Both Faces
OD Surface Finish: < 2 Microns RMS
OD Taper Surface Finish: 0.80 Micron RA Maximum
Surface Quality: Tapered Face: Polished Scratch-Free
Non-Tapered Face: Polished 80-50
Scratch & Dig per MIL-PRF-13830
Material Type / Quality: Sapphire, Optical Grade
Crystallographic Orientation: c-Plane
Coating: Broad-Band Antireflective Coating for
< 0.75% Reflectance From 400nm to 700nm
With a 36 Degree Incidence Angle, Applied to
the Non-Tapered Face, Within 1.00mm From
Edge.