Topographic Confinement of a Ferroelectric Liquid Crystal for Highly Efficient Tunable Electrooptic Effect with Reduced Threshold
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概要
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We report a highly efficient linear electrooptic (EO) effect of a tight-pitch ferroelectric liquid crystal (FLC) in a microchannel architecture where the FLC molecules are vertically aligned on the surrounding surfaces. Due to the topographic confinement in a large surface-to-volume configuration, the competing anchoring forces exerted by the lateral walls and the substrates impose directly the restrictions on the deformations of the smectic layers and the molecular director. The observed EO effect should be directly applicable for diverse optical devices requiring fast response, high optical modulation, and high subthreshold slope at a reduced operation voltage.
- 2013-05-25
著者
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Lee Sin-doo
School Of Electric Engineering #32 Seoul National University
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Na Jun-Hee
School of Electrical Engineering #32, Seoul National University, Kwanak P.O. Box 34, Seoul 151-600, Korea
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Kim Jiyoon
School of Electrical Engineering, Seoul National University, Kwanak P. O. Box 34, Seoul 151-600, Korea
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Choi Yoonseuk
Department of Electronic Engineering, Hanbat National University, Daejeon 305-719, Korea
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