CUSTOMIZED
Material: UVFS (Corning 7980 0F)
Diameter: 20 mm -0,05/-0,15 mm
Center thickness: 3 mm +/- 0,1 mm
Clear aperture: min 17mm.
Surface quality after coating S1/S2: 10-5 SD over 11 mm CA; 20-10 SD over 17 mm CA
Surface flatness, S1; S2: L/10 @ 633 nm over 11 mm CA;
L/4 @ 633 nm over 17 mm CA.
Protective chamfers: 0.2-0.4 mm x 45 deg.
Chips: < 0.2 mm stoned.
Parallelism: < 10 arc sec
Coatings (IBS):
S1(arrow marks): HRs > 99% @ 755 nm + HTsp > 98% @1064 nm + T > 50% @ 650-670 nm, AOI = 45°
S2: SCC + ARsp < 0.65% @ 1064 nm, AOI = 45°
LIDT: >7 J/cm2 @750-760 nm, 10 ns pulses;
>10 J/cm2 @1064 nm, 10 ns pulses.
