9323642

AR coatings: R<0.2% each surface
Clear Aperture: 18
LIDT: 5 J/cm² for 10 ns pulses @ 1064 nm
Material: Crystalline Quartz
Mount: 25.4mm
Retardation order: Zero order
Retardation tolerance: ±λ/500 @ 20 °C
Retardation: λ/2
Surface quality, S-D: 20-10
Transmitted wavefront distortion, PV: <λ/10 @ 632.8 nm
Wavelength, nm: 556
Wedge / Parallelism error: < 3 arcsec