CUSTOMIZED
Material: UVFS (Corning 7980 0F)
Diameter: 20.0 mm +0/-0.1 mm
Thickness: 3.0 mm +/-0.1 mm
Clear aperture: >90%
Surface quality, S1: 10-5 S-D per CA as per MIL-PRF-13830B
Surface quality, S2: polished
Surface flatness, S1: <λ/10@633 nm per CA
Surface flatness, S2: NA
Parallelism: <5 arcmin
Protective chamfers: 0.1-0.3 mm x 45 deg
Chips: <0.1 mm (<0.05 mm best efforts)
Coatings (IBS):
S1: HRsp>99.9% @ 515 nm+Rsp<4% @ 1030 nm, AOI=45 deg
S2: ARsp<0.6% @ 1030 nm, AOI=45 deg