9581008

Clear Aperture: >18
Coatings: AR/AR<0,1%@940 nm
LIDT: 5 J/cm2 10 ns pulsed at 1064 nm typical
Material: Crystalline Quartz
Mount: Mounted in Ø 25.4mm black anodized metal mount, thickness 6mm (Engraved)
Parallelism error: < 3 arcsec
Retardation order: ZO
Retardation tolerance: +/- λ/300 @ 20 °C
Retardation: λ/2
Surface quality: 20-10 S-D
Transmitted wavefront distortion, PV: λ/10 @ 632.8 nm
Wavelength, nm: 940