CUSTOMIZED
Material: UVFS (Corning 7980 0F)
Diameter: 25.4 mm (+0/-0.1 mm)
Thickness: 6.35 mm (+/-0.1 mm)
Clear aperture: min. 20 mm centered
Surface quality, S1: 20-10 S-D over CA (MIL-PRF-13830B)
Surface irregularity, S1: λ/8 @ 633 mm over CA
Surface flatness, S1: λ/10 @ 633 mm over any 10 mm aperture within CA
Centration: < 3 arcmin
Protective chamfers: 0.2-0.4 mm x 45°
Chips: <0.2 mm stoned
Coatings (IBS):
S1 (arrow mark): HR>99.9% @ 515 nm, AOI=0°
S2: uncoated
LIDT (estimated):
> 0.3 J/cm2, 515 nm, 500 fs, 10 kHz, p-pol
> 0.45 J/cm2, 515 nm, 500 fs, 10 kHz, s-pol
> 1.4 J/cm2, 515 nm, 10 ps, 10 kHz, p-pol
> 2.4 J/cm2, 515 nm, 10 ps, 10 kHz, s-pol