CUSTOMIZED
Material: UVFS (C7980 0F)
Diameter: 50.8 mm (+0/-0.1 mm )
Thickness: 3.0 mm (+/-0.1 mm )
Clear aperture : min. 45 mm centered
Surface quality, S1/S2: 20-10 S-D (MIL-PRF-13830B)
TWFD: λ/4 @633 nm over CA
Parallelism: < 3 arcmin
Protective chamfers: 0.1-0.25 mm x 45°
Chips: < 0.2 mm stoned
Arrow marks to S1
Coatings (IBS):
S1 (arrow marks): Tp_avg>97.5%@ 735-755 nm + Rs_avg>97.5%@ 735-755 nm, AOI=45° +/-1° (angle adjustment for optimal performance)
S2: ARp < 0.1% @ 735-755 nm, AOI 45 deg
Extinction Ratio Tp/Ts > 20:1 from 735-755nm @ 45deg AOI
LIDT: >6 J/cm2 @ 750nm, 50 ns