9 May 2007 Theoretical modeling of heterogeneous LC systems: nano-suspensions and polymer stabilized LC lens
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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.
© (2007) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Viktor Yu. Reshetnyak, Viktor Yu. Reshetnyak, Sergii M. Shelestiuk, Sergii M. Shelestiuk, Svitlana L. Subota, Svitlana L. Subota, Svitlana Pavliuchenko, Svitlana Pavliuchenko, Timothy J. Sluckin, 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); doi: 10.1117/12.722687; https://doi.org/10.1117/12.722687

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