CUSTOMIZED
Substrate Material: UVFS (Corning 7980 0F)
Diameter: 25.4 mm +0/-0.1 mm
Thickness: 6.35 mm +/-0.1 mm
Clear aperture: min 20 mm
Surface quality, S1/S2: 20-10 S-D over CA MIL-PRF-13830B
Surface flatness, S1/S2: <λ/8 @ 633 nm over CA
Transmitted WFD: <λ/4 @ 633 nm over CA
Protective chamfers: 0.2-0.4 mm x 45 deg
Chips: < 0.2 mm
Coatings (IBS):
S1 (arrow marks): Rs=50% +/-3% & Rp=50% +/-3% & |Rs-Rp|<3% @ 1550 nm, AOI=45 deg
S2: ARsp<0.7% @ 1550 nm, AOI=45 deg
