Wave plate retarder

Details Wave plate retarder Wave plate retarder

G - Physics

02

B

88/114, 26/197

G02B 27/00 (2006.01) G02B 5/30 (2006.01) G11B 7/135 (2006.01)

Patent

CA 1131058

ABSTRACT OF THE DISCLOSURE A wave plate retarder consists of a stacked plurality of doubly retracting or birefringent high molecular films laminated with a predetermined angle between their respective optical axes to establish a desired phase difference during transmission through the films of components of light polarized along orthogonal axes. The predetermined angle may be selected to provide a phase difference of 1/4 or 1/2 wavelength of light to thus produce a composite wave plate retarder which functions as a 1/4 or 1/2 wavelength plate regardless of the phase difference of components of light produced by transmission through a single film.

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