9326692

AR coatings: AR/AR @ 815 nm
Clear Aperture: 25.4
Configuration: Optically contacted
LIDT:
Material: Crystalline Quartz
Mount: Unmounted
Retardation order: Zero 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: 815
Wedge / Parallelism error: < 10 arcsec