Fast-switching dual-frequency liquid crystal optical retarder for beam steering applications

Andrii B. Golovin; Ye Yin; Sergij V. Shiyanovskii; Oleg D. Lavrentovich

doi:10.1117/12.527164

28 May 2004 Fast-switching dual-frequency liquid crystal optical retarder for beam steering applications

Andrii B. Golovin, Ye Yin, Sergij V. Shiyanovskii, Oleg D. Lavrentovich

Proceedings Volume 5289, Liquid Crystal Materials, Devices, and Applications X and Projection Displays X; (2004) https://doi.org/10.1117/12.527164
Event: Electronic Imaging 2004, 2004, San Jose, California, United States

Abstract

We demonstrate a fast optical modulator capable of switching large amount of optical retardation (a few microns) in less than 1 ms. The result is achieved by employing a dual frequency nematic in cells with high pre-tile alignment and by providing a special addressing scheme that features amplitude and frequency modulated voltage. We explore the effect of time delay and dielectric heating in process of the optical retardation switching.

Citation Download Citation

Andrii B. Golovin, Ye Yin, Sergij V. Shiyanovskii, and Oleg D. Lavrentovich "Fast-switching dual-frequency liquid crystal optical retarder for beam steering applications", Proc. SPIE 5289, Liquid Crystal Materials, Devices, and Applications X and Projection Displays X, (28 May 2004); https://doi.org/10.1117/12.527164

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