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Please use this identifier to cite or link to this item: http://ir.ncue.edu.tw/ir/handle/987654321/15076

Title: Diffraction from Polymer-stabilized Cholesteric Texture Films
Authors: Ko, Tsung-Chih;Fan, Yun-Hsing;Shieh, Ming-Feng;Fuh, Andy Ying-Guey;Huang, Chi-Yen;Tsai, Ming-Shann;Jiang, I-Min
Contributors: 光電科技研究所
Keywords: Liquid crystals;Polymer
Date: 2001-04
Issue Date: 2013-01-07T02:10:05Z
Publisher: The Japan Society of Applied Physics
Abstract: We have performed diffraction experiments on polymer-stabilized cholesteric texture (PSCT) films made from E48-BAB6 mixtures cured at various UV intensities. The diffraction observed in these samples is the Qu'etelet-type ring pattern, which is generated from the scattering of light by the clusters of the polymer networks and the focal conic domains of cholesteric liquid crystals in a PSCT cell. We monitored the dynamic change of the intensity of the first ring of a sample during polymerization. After polymerization, both the electro-optical characteristics and the diffracted ring intensities of various orders were measured. The results showed that both the applied voltage and the UV curing intensity affected the diffraction intensity significantly. Furthermore, the results obtained from diffraction measurements correlate with the electro-optical ones. Thus, the diffraction measurements could provide us with another qualitative, nondestructive method to analyze PSCT devices.
Relation: Jpn. J. Appl. Phys., 40(4A): 2255-2258
Appears in Collections:[光電科技研究所] 期刊論文

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