CUSTOMIZED
Material: UVFS (Corning 7980 0F)
Diameter: 20.0 mm +0/-0.1 mm
Thickness: 5.0 mm +/-0.1 mm
Clear aperture: 18 mm
Clear aperture: >90%
Surface quality, S1/S2: 20-10 S-D over CA as per MIL-PRF-13830B
Surface flatness, S1/S2: <λ/8@633 nm per CA = 10 mm
Parallelism: <5 arcmin
Protective chamfers: 0.1-0.3 mm x 45 deg
Chips: <0.1 mm (<0.05 mm best efforts)
Coatings (IBS):
S1: HRs>99.6%@505-525 nm + HRp_average>99.5%@1180-1400nm + HTp_average>98%@800-920 nm, AOI = 0-10 deg. Low GDD @ 515 nm @ 1200-1390 nm, AOI =0-10 (8 priority) deg (+/-0.5% uniformity shift is acceptable)
S2: Uncoated
