CUSTOMIZED
Substrate material: UVFS (C7980 0F)
Diameter: 25.4 mm +0/-0.1 mm
Thickness: 6.35 mm +/-0.1 mm
Clear aperture: >90%
Surface quality, S1/S2: 20-10 S-D as per MIL-PRF-13830B
Surface flatness, S1: <λ/10 @ 633 nm over 10 mm CA
Parallelism: <3 arcmin
Protective chamfers: 0.2-0.4 mm x 45 deg
Chips: <0.2 mm stoned
Coatings (IBS):
S1: HRs >99.5% + HRp > 99.0% @ 257 nm, AOI 45 deg
S2: uncoated
