CUSTOMIZED
Substrate material: UVFS (Corning 7980 0F)
Diameter: 25.4 mm +0/-0.1 mm
High edge thickness: 6.35 mm +/-0.1 mm
Clear aperture: min 20 mm
Surface quality, S1: 20-10 SD as per MIL-PRF-13830B
Surface quality, S2: inspection polished
Surface flatness, S1: <λ/8 @633 nm over 10 mm CA
Parallelism: <30 arcsec
Protective chamfers: 0.2-0.4 mm x 45 deg
Chips: <0.2 mm stoned
Coatings (IBS):
S1 (arrow marks): HRs > 99.5% @ 1320 nm, AOI = 45 deg, GDD_Rs -2500 +/-1000fs^2@ 1315-1325 nm, AOI = 45
S2: uncoated
