Quantitative Analysis of Nematic Director Reorientation Dynamics Studied by Time-Resolved Spectroscopic Ellipsometry
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概要
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The director reorientation dynamics of the nematic liquid crystal (NLC) filled in a conventional sandwich cell was demonstrated by means of time-resolved spectroscopic ellipsometry (TRSE). By using a dye-doped NLC, the transient behavior of the NLC director near the alignment layer as well as that in the bulk can be observed clearly without using any special cavity such as a waveguide. It is shown that the observed transient change of the ellipsometric angles, which corresponds to the director reorientation dynamics, can be completely reproduced by the numerical simulation based on the Frank’s elastic continuum theory. From these numerical and experimental results, it is emphasized that TRSE is a potential instrument to analyze the director reorientation dynamics of NLC.
- 2003-07-15
著者
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Okutani Satoshi
Department Of Electrical Engineering Faculty Of Engineering Nagaoka University Of Technology
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Kimura Munehiro
Department Of Electrical Engineering Faculty Of Engineering Nagaoka University Of Technology
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Toriumi Hirokazu
Department Of Chemistry College Of Arts And Science The University Of Tokyo
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Akahane Tadashi
Deparment Of Electrical Engineering Faculty Of Engineering The Technological University Of Nagaoka
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Tadokoro Toshiyasu
Special Research Laboratory for Optical Science, Kanagawa Academy of Science and Technology, 3-2-1 Sakado, Takatsu-ku, Kawasaki 213-0012, Japan
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Kimura Munehiro
Department of Electrical Engineering, Faculty of Engineering, Nagaoka University of Technology, 1603 Kamitomioka, Nagaoka, Niigata 940-2188, Japan
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Toriumi Hirokazu
Department of Chemistry, College of Arts and Science, The University of Tokyo, Komaba 3-8-1, Meguro-ku, Tokyo 153-8902, Japan
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Okutani Satoshi
Department of Electrical Engineering, Faculty of Engineering, Nagaoka University of Technology, 1603 Kamitomioka, Nagaoka, Niigata 940-2188, Japan
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