CUSTOMIZED
Material: Corning 7980 0F
Diameter: 12.7 (+0.0/-0.1) mm
Thickness: 3.0 (+/-0.1) mm
Clear aperture: min 10 mm
Surface quality, S1/S2: 5/ 1x0.016 over ø3 mm in the center; 5/ 5x0.016 over elliptical CA 10x5 mm; L1x0.016 (ISO 11010)
Surface flatness S1/S2: < λ/6@633 nm per CA = 10 mm (best efforts L/8)
Parallelism: <10 arcsec
Protective chamfers: 0.1-0.2 mm x 45 deg
Coatings (IBS):
S1 (arrow marks): Rs>99.9% @ 1015 nm - 1045 nm; Tp>98%, Tp/Ts>1000@1015-1045 nm AOI=68(+/-0.5) deg
S2: ARp(Rp<0.5%, Rs<20%)@1010-1050 nm, AOI=68(+/-0.5) deg