In stock
Clear aperture: >90
Dimensions, mm: 20x40
Material: IRFS (Corning 7978)
Protective chamfers: 0.2 mm x 45°
S1 Flatness, PV IR S2 Flatness, PV: <λ/4
Surface quality, S-D: 20-10
Thickness, mm: 3
Wedge / Parallelism error: <30 arcsec
Dimensions, mm: 20x40
Material: IRFS (Corning 7978)
Protective chamfers: 0.2 mm x 45°
S1 Flatness, PV IR S2 Flatness, PV: <λ/4
Surface quality, S-D: 20-10
Thickness, mm: 3
Wedge / Parallelism error: <30 arcsec