CUSTOMIZED
Substrate material: UVFS (C7980 0F)
Diameter: 12.7 mm +0/-0.1 mm
Thickness: 3.0 mm +/-0.1 mm
Clear aperture: min 10 mm
Surface quality, S1/S2: 5/ 1x0.016 over ø3 mm in the center; 5/ 5x0.016 over elliptical CA 10x5 mm; L1x0.016
Surface flatness, S1/S2: <λ/8@633 nm per CA
Parallelism: <10 arcsec
Protective chamfers: 0.1-0.2 mm x 45 deg
Chips: <0.1 mm (<0.05 mm best effort)
S1 marked with an arrow engraved with laser
Coatings (IBS):
S1 (arrrow mark): Rs (average value) > 99.9% @ 1020 nm - 1040 nm + Tp>99.0% @ 1020 nm - 1040 nm, AOI=55.4°
Tp/Ts>1000: 1
S2: SCC
