CUSTOMIZED
Substrate Material: UVFS (Corning 7980 0F)
Diameter: 25.4 mm +0/-0.1 mm
Thickness: 3 mm +/-0.1 mm
Clear aperture: >80%
Surface quality, S1/S2: 10-5 S-D
Surface flatness, S1: <λ/6 @ 633 nm over CA.
TWD: λ /8 @ 633 nm over CA
Parallelism: <10 arcsec
Protective chamfers: 0.1-0.4 mm x 45 deg
Chips: < 0.2 mm
Coatings (IBS):
S1 (arrow marks): Ra = 70% +/-3% @ 680-1020 nm + Rp = 56% +/-3% @ 680-1020 nm + Rs = 85% +/-3% @ 680-1020 nm
GDD (transmission) = +/-15 fs2
GDD (reflectivity) = +/-20 fs2
S2: ARs <2% @ 650-1100 nm + ARp < 1.5% @ 650-1100 nm, AOI 45 deg.
