CUSTOMIZED
Substrate material: IRFS (JGS3 )
Diameter: 12.7 mm +0/-0.1 mm
Edge thickness: 6.35 mm +/-0.1 mm
Clear aperture: min 10 mm
Surface quality, S1: 20-10 S-D over CA as per MIL-PRF13830B
Surface quality, S2: commercial polishing (80-50 S-D)
Surface form error, S1: 3/-(0.5) (L/4 @ 546 nm IRR)
Surface form error, S2: NA
Radius of curvature, S1: ROC=-1000 mm +/-1%
Centration error: <5 arcmin
Protective chamfers, S1/S2: 0.1-0.3 x 45deg
Chips: <0.2 mm stoned
Laser engraved arrow marks to S1 (CV)
Coatings (IBS):
S1 (arrow marks): HR>99,8%@2940 nm AOI = 0 deg
S2: uncoated
