Saturating holograms due to space-modulated phase-transition LC-isotropic phase in liquid crystals

Oleg V. Yaroshchuk; Dmitry A. Voloshchenko; Victor Yu. Reshetnyak; G. Pelzl

doi:10.1117/12.165366

10 December 1993 Saturating holograms due to space-modulated phase-transition LC-isotropic phase in liquid crystals

Oleg V. Yaroshchuk, Dmitry A. Voloshchenko, Victor Yu. Reshetnyak, G. Pelzl

Proceedings Volume 2108, International Conference on Holography, Correlation Optics, and Recording Materials; (1993) https://doi.org/10.1117/12.165366
Event: Holography, Correlation Optics, and Recording Materials, 1993, Chernivsti, Ukraine

Abstract

Saturation mechanism of conformational nonlinearity in LC, associated with photostimulated phase transition to the isotropic state, is investigated both theoretically and experimentally. The saturation mechanism consists in nonmesomorphous isomers photoexcitation which completely suppress the LC mesophase. Theoretical calculations of the grating profile development, as well as of the time dependence of the grating diffraction efficiency, are proposed. The calculations are in good agreement with experiment. The motion law of the phase verge in the light field is obtained.

Citation Download Citation

Oleg V. Yaroshchuk, Dmitry A. Voloshchenko, Victor Yu. Reshetnyak, and G. Pelzl "Saturating holograms due to space-modulated phase-transition LC-isotropic phase in liquid crystals", Proc. SPIE 2108, International Conference on Holography, Correlation Optics, and Recording Materials, (10 December 1993); https://doi.org/10.1117/12.165366

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