Material: UVFS (JGS1)
Diameter: 25.4 mm (+0/0.1 mm)
Edge thickness: 2.0 mm (+/-0.1 mm)
Central thickness: 2.703 mm (+/-0.1 mm)
Clear aperture: >80%
Surface quality, S1/S2: 20-10 S-D over CA MIL-PRF-13830B
Surface irregularity, S1/S2: <λ/6@633 nm per CA
Focal length: F=+250 mm @ 546.1 nm (+/-1%)
ROC, S1 (convex): +115.02 mm +-1%
Centration error: <3 arcmin
Protective chamfers: 0.2-0.4 x 45 deg
Chips: <0.5 mm
Laser engraved arrow marks S1 (CX)
Laser engraved FL value
Coatings (IBS):
S1 (CX, arrow marks): AR<0.1% @ 1030 nm, AOI=0 deg
S2: AR<0.1% @ 1030 nm, AOI=0 deg
LIDT (estimate):
> 0.5 J/cm2, 1030 nm, 500 fs, 10 kHz
