CUSTOMIZED
Material: UVFS (Corning 7980 0F)
Diameter: 25.4 mm (+0/-0.1) mm
Thickness: 3.00 mm (+/-0.03) mm
Clear aperture: >90%
Surface quality, S1/S2: 10-5 S-D MIL-PRF-13830B
Surface flatness, S1/S2: <λ/8@633 nm
Transmitted Wave-front distortion: <λ/10@633 nm over 15 mm CA
Parallelism: <1 arcmin
Protective chamfers: 0.1-0.2 mm x 45 deg
Chips: <0.1 mm (<0.05 mm best effort)
Coating (IBS):
S1(arrow marks): HRs>99.6%@337-349 nm + HTp>98%@505-525 +HTs>98%+1015-1045nm, AOI 45 deg.
S2: ARp<0.2%@505-525+ ARs<0.2%@1015-1045 nm, AOI 45 deg.
LIDT: >0.2 J/cm² @ 343 nm, 300fs
