CUSTOMIZED
Material: UVFS (Corning 7980 0F)
Diameter: 20.0 mm +0.0/-0.1 mm
Thickness: 5.0 mm +/-0.1 mm
Clear aperture: min 16 mm
Surface quality, S1/S2: 10-5 S-D over CA as per MIL-PRF-13830B
Surface flatness, S1/S2: λ/10@633 nm over CA = 10 mm (L/4 per CA 16 mm)
Parallelism error: <5 arcmin
Protective chamfers: 0.2-0.3 mm x 45°
Code on edge: TO-BPC5I45D45
Coatings (IBS):
S1: Pol@510-520 nm (Rs>99.0%, Tp>95%), GDD_Rs<+/-200 fs2, AOI = 45
S2: uncoated (Rp<0.65% of uncoated substrate)