Diameter: 0.373″+/-.001″
Thickness: 0.062″+/-.005″
Edge Bevel: 0.015″/0.020″ x 45 Degrees, One Edge
0.010″ Maximum x 45 Degrees, Other Edge
Parallelism: 3 Arc Minutes Maximum
Flatness: 0.0002″ Per Inch Maximum, Both Faces
Surface Quality: 40-20 Per MIL-PRF-13830, Both Faces
OD and Edge Bevel Finish: Fine Ground, 320 Mesh
Clear Aperture: Central 80% of Diameter Faces
Material Type / Quality: Sapphire, Optical Grade
70% Minimum Transmission
@ 250nm and 80% Minimum
Transmission From 260nm to 600nm
Crystallographic Orientation: c-Plane
Coating: None, Not Required