G - Physics – 02 – B
Patent
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.
335204
Mori Hiroshi
Sugiki Mikio
Gowling Lafleur Henderson Llp
Sony Corporation
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