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Proceedings Paper

Electrothermo-optical effect in liquid crystals and its applications
Author(s): Yu-Cheng Hsiao; Wei Lee
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Paper Abstract

Electro-optical effects in liquid crystals (LCs) have been widely utilized in many optical components and photonic devices, thanks to the anisotropic media that can be easily manipulated by an electric field to modulate the light. In general, dielectric heating in LC applications is negligible because their orientational dielectric relaxations occur at high frequencies. Here we focus on a dual-frequency LC characterized by its much lower relaxation frequency. The fieldinduced heat strongly affects the LC ordering and optical properties. The electrothermo-optical effect reveals an unusual behavior compared with the well-known electro-optical effect in regular LCs. Based on the electrothermo-optical effect, some applications such as optical modulators or tunable optical shutters are demonstrated.

Paper Details

Date Published: 15 February 2017
PDF: 6 pages
Proc. SPIE 10125, Emerging Liquid Crystal Technologies XII, 1012516 (15 February 2017); doi: 10.1117/12.2251440
Show Author Affiliations
Yu-Cheng Hsiao, National Chiao Tung Univ. (Taiwan)
Wei Lee, National Chiao Tung Univ. (Taiwan)


Published in SPIE Proceedings Vol. 10125:
Emerging Liquid Crystal Technologies XII
Liang-Chy Chien, Editor(s)

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