CUSTOMIZED
Material: UVFS (C7980 0F)
Diameter: 25.4 mm +0/-0.1 mm
Thickness: 3.0 mm +/-0.1 mm
Clear aperture: min 23 mm
Surface quality, S1/2: 20-10 S-D over CA MIL-PRF-13830B
Surface flatness, S1: <λ/8 @ 633 nm per CA = 13 mm
Surface irregularity, S1: <λ/8 @ 633 nm per CA
TWFD: <λ/8 @ 633 nm per CA
Parallelism: <3 arcmin
Protective chamfers: 0.2 - 0.4 mm x 45°
Chips: <0.2 mm stoned
Coatings (IBS):
S1 (arrow marks): HRs>99.8% @ 410-490 nm + HTp>98% @ 715-1200 nm, AOI = 45 deg,
GDD (<|500| fs2) @ 715-1200nm
S2: ARp<0.5% @ 715-1200 nm, AOI = 45 deg
