CUSTOMIZED
Substrate material: UV grade fused silica
Diameter: 12.7 mm +0/-0.1 mm
Thickness: 2.0 +/-0.1 mm
Clear aperture: min 10 mm
Surface quality, S1/S2: 20-10 SD (as per MIL-PRF-13830B)
Transmitted WFD: <λ/8@633 nm per CA
Parallelism: < 1 arcmin
Protective chamfers: 0.2 - 0.4 mm x 45°
Coatings (IBS):
S1 (arrow marks): PRa = 2% +/- 0.3% @ 1550 nm, AOI 45 deg. |Rs-Rp| < 2.5%
S2: ARa < 0.7% @ 1550 nm, AOI 45 deg
