A simple method for phase modulating unpolarized light with a double pass through a nematic liquid crystal retarder is described.
© 1993 Optical Society of America
Original Manuscript: June 17, 1992
Published: May 1, 1993
Gordon D. Love, "Liquid-crystal phase modulator for unpolarized light," Appl. Opt. 32, 2222-2223 (1993)