9339143

AR coatings: AR (R<0.2%) on each surface
Clear Aperture: 12.7
LIDT: >500 MW/cm2
Material: Crystalline Quartz
Mount: unmounted
Retardation order: Low order
Retardation tolerance: ±λ/500 @ 20 °C
Retardation: λ/4
Surface quality, S-D: 20-10
Transmitted wavefront distortion, PV: <λ/10 @ 632.8 nm
Wavelength, nm: 1030
Wedge / Parallelism error: <3 arcsec