Theoretical modeling of heterogeneous LC systems: nano-suspensions and polymer stabilized LC lens

Viktor Yu. Reshetnyak; Sergii M. Shelestiuk; Svitlana L. Subota; Svitlana Pavliuchenko; Timothy J. Sluckin

doi:10.1117/12.722687

9 May 2007 Theoretical modeling of heterogeneous LC systems: nano-suspensions and polymer stabilized LC lens

Viktor Yu. Reshetnyak, Sergii M. Shelestiuk, Svitlana L. Subota, Svitlana Pavliuchenko, Timothy J. Sluckin

Proceedings Volume 6587, Liquid Crystals and Applications in Optics; 658709 (2007) https://doi.org/10.1117/12.722687
Event: International Congress on Optics and Optoelectronics, 2007, Prague, Czech Republic

Abstract

Heterogeneous liquid crystal (LC) systems are a new class of anisotropic materials which have been intensively studied over the last decade. This article is concerned with two such systems: ferroelectric LC nano-suspensions and LCs with polymer network. The significant implication of ferroelectric LC-colloids is the possibility of a significant reduction in the threshold electric Fredericksz voltage. Here we present a theory of this phenomenon, which agrees qualitatively with experiment. A second example of heterogeneous LC systems is a gradient-polymer-stabilized LC (G-PSLC) structure, which has been proposed for a tunable-focus lens application. We report on theoretical model that describes the dependence of the G-PSLC lens focal length on applied voltage. A previous model is improved by considering light absorption during the polymerization. Again we find qualitative agreement with the experimental data.

Citation Download Citation

Viktor Yu. Reshetnyak, Sergii M. Shelestiuk, Svitlana L. Subota, Svitlana Pavliuchenko, and Timothy J. Sluckin "Theoretical modeling of heterogeneous LC systems: nano-suspensions and polymer stabilized LC lens", Proc. SPIE 6587, Liquid Crystals and Applications in Optics, 658709 (9 May 2007); https://doi.org/10.1117/12.722687

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