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Proceedings Paper

Liquid crystal molecular orientation properties of microrubbing cells and its application to electrically tunable grating
Author(s): Michinori Honma; Wataru Toyoshima; Toshiaki Nose
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Paper Abstract

Liquid crystal (LC) gratings consisting of twisted nematic orientation domains have been demonstrated. The LC cells exhibited bistability in its LC molecular orientation behavior, which can be divided into two types of twist orientations; that is, ±90° or ±180° twist orientation states. The former can be produced by the nematic-isotropic phase transition (heating and cooling the LC cell). The latter is constantly obtained by a suitable voltage application. Based on this experimental result, switching scheme between these two orientation states were proposed. Furthermore, diffraction properties of the LC cell as a grating and the possibility as LC bistable grating were discussed.

Paper Details

Date Published: 7 September 2011
PDF: 6 pages
Proc. SPIE 8114, Liquid Crystals XV, 81140S (7 September 2011); doi: 10.1117/12.893484
Show Author Affiliations
Michinori Honma, Akita Prefectural Univ. (Japan)
Wataru Toyoshima, Akita Prefectural Univ. (Japan)
Toshiaki Nose, Akita Prefectural Univ. (Japan)

Published in SPIE Proceedings Vol. 8114:
Liquid Crystals XV
Iam Choon Khoo, Editor(s)

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