CUSTOMIZED
Material: UVFS (Corning 7980 0F)
Diameter: 50.8 mm (+0/-0.1 mm)
Thickness: 8.0 mm (+/-0.1 mm)
Clear aperture: min. 40 mm centered.
Surface quality, S1: 20-10 S-D over CA (MIL-PRF-13830B)
Surface flatness, S1: λ/10 @ 633 mm over any 10 mm aperture within CA
Surface S2: commercial polish
Parallelism error: < 10 arcsec
Protective chamfers: 0.1-0.4 mm x 45°
Chips: < 0.2 mm stoned
Coatings (IBS):
S1 (arrow mark): HRsp>99.5% @ 515 nm + Rs<5% @ 1030 nm, AOI=45°
S2: ARsp<0.6% @ 1030 nm, AOI=45 deg
