CUSTOMIZED
Material: UVFS (Corning 7980 0F)
Diameter: 12.7 mm (+0/-0.05 mm)
Central thickness: 1.5 mm (+/-0.1 mm)
Edge thickness [ref]: ~ 3.5 mm
Clear aperture: min. 9 mm centered
Surface quality, S1/S2: 20-10 S-D over CA as per MIL-PRF-13830B
Surface irregularity, S1/S2: <λ/4@633 nm over CA
ROC tolerance: 4.5 fringe (N≤4.5 test plate)
ROC S1/S2 (CV/CV): -10.49 mm
Centration error: <1 arcmin
Protective chamfers: 0.2-0.3 mm x 45deg, made with compound wheel. Centered <1`
Chip: <0.25mm stoned
Coating (IBS):
S1 (arrow mark): AR<0.1% @ 515 nm, AOI 0 deg
S2: AR<0.1% @ 515 nm, AOI 0 deg
