Development of the optically addressed spatial light modulators for dynamic holography applications using deformed-helix ferroelectric liquid crystals

Leonid A. Beresnev; Thomas Weyrauch; Wolfgang Haase; Arkady P. Onokhov; Mikhail V. Isaev; Nataliya L. Ivanova; Elena A. Konshina; Nikolai A. Feoktistov; Wolfgang Dultz; Aleksander N. Chaika; Vladimir A. Berenberg

doi:10.1117/12.327980

20 October 1998 Development of the optically addressed spatial light modulators for dynamic holography applications using deformed-helix ferroelectric liquid crystals

Leonid A. Beresnev, Thomas Weyrauch, Wolfgang Haase, Arkady P. Onokhov, Mikhail V. Isaev, Nataliya L. Ivanova, Elena A. Konshina, Nikolai A. Feoktistov, Wolfgang Dultz, Aleksander N. Chaika, Vladimir A. Berenberg

Author Affiliations +

Proceedings Volume 3432, Artificial Turbulence for Imaging and Wave Propagation; (1998) https://doi.org/10.1117/12.327980
Event: SPIE's International Symposium on Optical Science, Engineering, and Instrumentation, 1998, San Diego, CA, United States

Abstract

The basic characteristics of the optically addressed spatial light modulators are presented based on ferroelectric liquid crystal (FLC) as a light modulating media and amorphous hydrogenated silicon carbide a-SiC:H and dye-doped polyimide films as photoconducting layers. The parameters of the constituent parts are described, among them: photoconductivity of photosensitive layers, data about newly developed light blocking layers, characteristics of the FLC materials, utilizing the deformed helix ferroelectric effect. The dynamics of the response in hundreds Hz region, the diffraction efficiency of 20% at spatial resolution better than 501 p/mm, and sensitivity in range of microWatt/cm² are obtained.

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Leonid A. Beresnev, Thomas Weyrauch, Wolfgang Haase, Arkady P. Onokhov, Mikhail V. Isaev, Nataliya L. Ivanova, Elena A. Konshina, Nikolai A. Feoktistov, Wolfgang Dultz, Aleksander N. Chaika, and Vladimir A. Berenberg "Development of the optically addressed spatial light modulators for dynamic holography applications using deformed-helix ferroelectric liquid crystals", Proc. SPIE 3432, Artificial Turbulence for Imaging and Wave Propagation, (20 October 1998); https://doi.org/10.1117/12.327980

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