CUSTOMIZED
Material: UVFS (JGS1)
Diameter: 25.4 mm (+0/0.1 mm)
Edge thickness: 2.703 mm (+/- 0.1 mm)
Central thickness: 2.0 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 (concave): -115.0195 mm +-1%
Centration error: <3 arcmin
Protective chamfers: 0.2-0.4 x 45deg
Laser engraved arrow marks S1 (CV)
Laser engraved FL value
Chips: <0.5 mm
Coatings (IBS):
S1 (CV, arrow marks): AR<0.1% @ 515 nm, AOI=0 deg
S2: AR<0.1% @ 515 nm, AOI=0 deg
LIDT (estimate): >0.25 J/cm², 515 nm, 500 fs, 10kHz
