Wave plate retarder

Details Wave plate retarder Wave plate retarder

1979-09-11

1983-08-23

Rosenberger, R. A.

Optics: measuring and testing

Range or remote distance finding

With photodetection

356365, G02B 124

Patent

active

044000626

ABSTRACT:
A wave plate retarder consists of a stacked plurality of doubly refracting 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.

REFERENCES:
patent: 3969573 (1976-07-01), Bouwhuis et al.
patent: 4035083 (1977-07-01), Woodriff et al.
Heywood, R. B. Photoelasticity for Designers .COPYRGT.1969, Pergamon Press. Oxford, p. 48.
Redner, S. "New Automatic Polariscope System" Experimental Mechanics vol. 14, No. 12 (Dec. 1974) pp. 486-491.

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