SCD4260-02A

Diameter: 82.55mm + 0.00mm /- 0.10mm
Thickness: 5.00mm +/- 0.05mm
Parallelism: 5 Arc Seconds Maximum.
Edge Bevel: 0.40mm +/- 0.05mm X 45degrees, Both Edges.
Clear Aperture: Central 76.20mm Diameter, Both Faces.
Transmitted Wavefront Error: 1/7 Wave Peak-to-Valley
Maximum at 633nm.
Surface Quality: 20-10 Per MIL-PRF-13830, Both Faces.
Surface Roughness: < 1.0nm RMS, Both Faces.
Material Type / Quality: Sapphire, Optical Grade.
Crystallographic Orientation: c-plane +/- 10 Arc Minutes.
Coating: None, Uncoated Substrate.