9429782

Parallelism error: <30 arcsec
Clear aperture: >90%
Thickness, mm: 3,0 mm (+/-0,1 mm)
Surface quality: 20-20 S-D
S2: AR(R<0,25%)@343 nm, AOI=0 deg
Protective chamfers: 0,2 – 0,3 mm at 45°
Transmitted wavefront distortion, PV: λ/8@633 nm
Material: UVFS (Suprasil 2A)
Diameter, mm: 20,0 mm (+0,0 /-0,1 mm)
Coatings:
S1: AR(R<0,25%)@343 nm, AOI=0 deg