Crystalline quartz is frequently used for the stringest quality retardation applications. Zero-order waveplate is made by cementing two quartz plates with their fast axes orthogonal to each other. The difference in thickness is equal to either /4 or λ/2 for a specified wavelength, Compared with multiple-order quartz retarders, they are much more insensitive to wavelength, temperature and angle of incidence. Waveplates of other wavelength and sizes are avalible for custom made.
•Material： Crystalline quartz
•Diameter： φ25.4+0.0/-0.15
•Retardation Accuracy： λ/500
Geometry/curvature : cylindrical
Material : quartz
Applications : precision
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