CUSTOMIZED
Material: UVFS, Corning 7980 0F
Diameter: 25.4 mm +0/-0.1 mm
Thickness: 3 mm +/- 0.1 mm
Clear aperture: min. 20 mm
Surface quality, S1/S2: 20-10 SD over CA (MIL-PRF-13830B)
Surface flatness, S1: λ @ 632.8 nm over CA
TWFD: λ/10 @ 632.8 nm over CA
Parallelism: < 3 arcmin
Protective chamfer: 0.2-0.4 mm x 45 deg.
Coatings (IBS):
S1 (arrow marks): HRs > 99.9% + HTp>98% @ 800 nm, AOI 45 +/- 1 deg
S2: ARp <0.1% @ 800 nm, AOI 45 deg.
Extinction ratio Tp/Ts 1000:1 @ 800 nm
