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 per CA MIL-PRF-13830B
Surface quality S2: commercial polish (80-50 S-D)
Surface flatness S1: <λ/10 @ 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): HRs>99.6%@337-349 nm, AOI 45 deg.
S2: uncoated
LIDT: >0.2 J/cm² @ 343 nm, 300fs
