9580438

Clear aperture: >90 %
Coatings:
Diameter, mm: 20.0 (+0/-0.1 mm)
LIDT: >15 J/cm2 @1064 nm, 8 ns, 50 Hz
Material: UVFS (Suprasil 300)
Parallelism error: <1 arcmin
Protective chamfers: < 0.3 mm x 45°
S1: AR(R<0.3 %)@1030 nm, AOI=0-15°
S2: AR(R<0.3 %)@1030 nm, AOI=0-15°
S1 Flatness, PV IR S2 Flatness, PV: λ/8@633 nm
Surface quality S1/S2, S-D: 20-10
Thickness, mm: 50.0 (+/-0.025 mm)