CUSTOMIZED
Substrate material: UVFS (C7980 0F)
Diameter: 25.4 mm +0/-0.1 mm
Thickness: 3.0 mm +/-0.1 mm
Clear aperture: >90%
Surface quality, S1/S2: 20-10 S-D as per MIL-PRF-13830B
Transmitted WFD: λ/8 @ 633 nm
Parallelism: <3 arcmin
Protective chamfers: 0.2-0.4 mm x 45 deg
Chips: <0.2 mm stoned
Coatings (IBS):
S1: AR<0.2% @ 257 nm, AOI 0 deg
S2: AR<0.2% @ 257 nm, AOI 0 deg