CUSTOMIZED
Substrate material: UVFS (Corning 7980 0F)
Diameter: 25.4 mm +0/-0.1 mm
Thickness: 2.0 mm +/-0.3 mm
Clear aperture: min 20 mm
Surface quality, S1/S2: 10-5 S-D MIL-PRF-13830B
Surface flatness, S1/S2: λ/6 @ 633 nm over CA
Parallelism: <2 arcmin
Protective chamfers: 0.2-0.3 mm x 45 deg
Coatings (IBS):
S1 (arrow marks): Rs>99% @ 195 - 201 nm + Rp<1% @ 261 - 267 nm + Rs<10% @ 390 - 400 nm + Rs<10% @ 780 - 800 nm, AOI=45 deg
GDD Rs @ 195 – 201 nm <+/-100 fs^2, AOI=45 deg
S2: Rp<0.8% @ 261 - 267 nm + Rs<3% @ 390 - 400 nm + Rs<5% @ 780 - 800 nm, AOI=45 deg
LIDT: >100 GW/cm2, 60 fs, 200 nm (15 mm dia)
