Polarization dependence and uniformity of FLC layers for phase modulation

Paul D. Biernacki; Tyler Brown; Mark O. Freeman

doi:10.1117/12.44689

1 June 1991 Polarization dependence and uniformity of FLC layers for phase modulation

Paul D. Biernacki, Tyler Brown, Mark O. Freeman

Proceedings Volume 1455, Liquid-Crystal Devices and Materials; (1991) https://doi.org/10.1117/12.44689
Event: Electronic Imaging '91, 1991, San Jose, CA, United States

Abstract

The authors present a general methodology for achieving any amount of pure phase modulation between 0 and 180 degrees by controlling the polarization of light used to address a given ferro-electric liquid crystal (FLC) material. Using this technique, an eight-state phase modulator made by cascading three FLC layers is demonstrated. Motivated by the need for predictable behavior within spatial light modulators (SLMs), experimental data characterizing the point by point spatial uniformity of an FLC device used for 0/90 degree phase modulation also is presented.

Citation Download Citation

Paul D. Biernacki, Tyler Brown, and Mark O. Freeman "Polarization dependence and uniformity of FLC layers for phase modulation", Proc. SPIE 1455, Liquid-Crystal Devices and Materials, (1 June 1991); https://doi.org/10.1117/12.44689

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