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Proceedings Paper

Structural dynamics in azobenzene liquid crystal polymer films studied by microscopic and time-resolved technique
Author(s): Kenji Katayama; Shota Kuwahara; Tomiki Ikeda
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Paper Abstract

We studied the photo-induced dynamics in a LC polymer film including azobenzene by using a time-resolved and a microscopic technique. The film was confined in a liquid crystal cell, while it is a photomobile film under a free standing condition, which is triggered by the photoisomerization of azobenezene. From the result of the time-resolved measurements, the change inside the film induced by UV irradiation was highly anisotropic polarization change. Microscopic observation revealed that the film was consisted of ordered and disordered region with a patched structure, and the UV induced change was travelled in the ordered region on the order of seconds.

Paper Details

Date Published: 5 September 2015
PDF: 6 pages
Proc. SPIE 9565, Liquid Crystals XIX, 95650I (5 September 2015); doi: 10.1117/12.2186414
Show Author Affiliations
Kenji Katayama, Chuo Univ. (Japan)
Shota Kuwahara, Chuo Univ. (Japan)
Tomiki Ikeda, Chuo Univ. (Japan)

Published in SPIE Proceedings Vol. 9565:
Liquid Crystals XIX
Iam Choon Khoo, Editor(s)

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