9727072

Material: IRFS (Corning 7979)
S2 Surface quality, S-D: 20-10
S2 Flatness, PV: <λ/8 @ 632.8 nm
S1 Surface quality, S-D: 20-10
S1 Flatness, PV: <λ/8 @ 632.8 nm
Parallelism error: <30 arcsec
Dimensions, mm: Ø25 (+0.0/-0.2)
Coatings on S2: AR(Ravg<3.5%) @ 300nm - 2500nm
Coatings on S1: AR(Ravg<3.5%) @ 300nm - 2500nm
Clear aperture %: >90
Angle of Incidence (AOI) °: 0
Thickness, mm: 3 (+/-0.1)
Protective chamfers: <0.25 mm x 45°