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

Theoretical modeling of heterogeneous liquid crystal systems: nano-suspensions and polymer-stabilized LC lens
Theoretical modeling of heterogeneous liquid crystal systems: nano-suspensions and polymer-stabilized LC lens
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.
liquid crystal devices
9780819467157
658709-658720
International Society for Optical Engineering
Reshetnyak, Victor Yu
cfa84aa7-1edb-4583-95cd-36fa3058a976
Shelestiuk, Sergii M.
ed2b862f-5279-4a45-ba09-f9b60c46af35
Subota, Svitlana L.
127d9208-11f5-4863-8413-ff40cbf0188d
Pavliuchenko, Svitlana
78d90b41-8c49-4848-8b70-6546227829dd
Sluckin, Timothy J.
8dbb6b08-7034-4ae2-aa65-6b80072202f6
Glogarova, Milada
Palffy-Muhoray, Peter
Copic, Martin
Reshetnyak, Victor Yu
cfa84aa7-1edb-4583-95cd-36fa3058a976
Shelestiuk, Sergii M.
ed2b862f-5279-4a45-ba09-f9b60c46af35
Subota, Svitlana L.
127d9208-11f5-4863-8413-ff40cbf0188d
Pavliuchenko, Svitlana
78d90b41-8c49-4848-8b70-6546227829dd
Sluckin, Timothy J.
8dbb6b08-7034-4ae2-aa65-6b80072202f6
Glogarova, Milada
Palffy-Muhoray, Peter
Copic, Martin

Reshetnyak, Victor Yu, Shelestiuk, Sergii M., Subota, Svitlana L., Pavliuchenko, Svitlana and Sluckin, Timothy J. (2007) Theoretical modeling of heterogeneous liquid crystal systems: nano-suspensions and polymer-stabilized LC lens. Glogarova, Milada, Palffy-Muhoray, Peter and Copic, Martin (eds.) In Liquid Crystals and Applications in Optics. vol. 6587, International Society for Optical Engineering. pp. 658709-658720 . (doi:10.1117/12.722687).

Record type: Conference or Workshop Item (Paper)

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.

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More information

Published date: May 2007
Venue - Dates: Liquid Crystals and Applications in Optics, Prague, Czech Republic, 2007-04-16 - 2007-04-16
Keywords: liquid crystal devices

Identifiers

Local EPrints ID: 48142
URI: http://eprints.soton.ac.uk/id/eprint/48142
ISBN: 9780819467157
PURE UUID: 2127a76c-f198-493e-b3e5-9fb1a5c87c1b
ORCID for Timothy J. Sluckin: ORCID iD orcid.org/0000-0002-9163-0061

Catalogue record

Date deposited: 30 Aug 2007
Last modified: 09 Jan 2022 02:32

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Contributors

Author: Victor Yu Reshetnyak
Author: Sergii M. Shelestiuk
Author: Svitlana L. Subota
Author: Svitlana Pavliuchenko
Editor: Milada Glogarova
Editor: Peter Palffy-Muhoray
Editor: Martin Copic

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