CUSTOMIZED
Material: UVFS
Diameter: 25.0 mm (+0/-0.1 mm)
Thickness: 3.1 mm (+/-0.2 mm)
Clear aperture: 20 mm
Surface quality, S1/S2: 20-10 S-D (Acc. MIL-PRF-13830)
Surface flatness, S1: λ/2@633 nm over 17 mm aperture
Surface irregularity, S1: λ/10@633 nm
Parallelism: <5 arcmin
Protective chamfers: 0.2-0.4 mm x 45°
Chips: <0.2 mm
Coatings (IBS):
S1: HR>99% @ 1064 nm + ~HR>98% @ 532 nm + HT>60% @ 635 + 650nm , AOI=45°
S2: Uncoated
