9322952

Clear Aperture: >18
Coatings: AR (R<0.5%) on each surface
Configuration: Air spaced
LIDT: 5 J/cm² for 10 ns pulses @ 1064 nm
Material: Quartz + MgF2
Mount: Mounted in 25.4mm diameter mount
Retardation tolerance: ±λ/200
Retardation: λ/4
Surface quality, S-D: 40-20
Transmitted wavefront distortion, PV: <λ/4 @ 632.8 nm
Wavelength, nm: 750-850
Wedge / Parallelism error: <30 arcsec