9300580

AR coatings: AR (R<0.2%) on each surface
Clear Aperture: >18
Configuration: Air spaced
LIDT: >5 J/cm²@ 1064 nm; 10 ns; 10 Hz
Material: Crystalline Quartz
Mount: Mounted in Ø25.4 mm black anodized metal mount
Retardation order: 0
Retardation tolerance: ±λ/300 @ 20 °C
Retardation: λ/4
Surface quality, S-D: 20-10
Transmitted wavefront distortion, PV: <λ/10 @ 632.8 nm
Wavelength, nm: 589
Wedge / Parallelism error: <30 arcsec