CUSTOMIZED
Material: UVFS ( JGS1)
Diameter: 50.8 mm +0/-0.1 mm
Thickness: 9.52 mm +/-0.1 mm
Clear aperture: min 45 mm
Surface quality S1: 20-10 S-D as per MIL-PRF-13830B per CA
Surface quality S2: commercial polish (80-50 S-D)
Surface flatness S1: <λ/8 @ 633 nm per CA
Surface irregularity S1: <λ/10 @ 633 nm per CA
Parallelism: <5 arcmin
Protective chamfers: 0.2–0.3 mm x 45 deg
Chips: <0.3 mm stoned
Coatings (IBS):
S1 (arrow marks): Rs(ABS) > 99.9% @ 355nm @ 45° AOI
S2: Uncoated
LIDT: 7.5 J/cm² @ 355 nm @ 20ns @ 20Hz