Quartz Multiple-Order Waveplates

Multiple order waveplates feature a total retardation of the the desired retardation plus an integer. The excess integer retardation has no effect on the performance. Our multiple order waveplates are made with Schlieren Grade Quartz, a uniaxial crystal, in which one axis has a different refractive index than the other two axes. A half or quarter wave plate is a polished slice of a uniaxial crystal, in which the extraordinary axis lies within the plane of the optic.

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