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このアイテムの引用には次の識別子を使用してください:
http://hdl.handle.net/10119/4961
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| タイトル: | Optimization of Holographic Polymer-Dispersed Liquid Crystals Using Siloxane-containing Materials |
| 著者: | CHO, Yeong Hee
KIM, Nam
KAWAKAMI, Yusuke |
| キーワード: | Holographic polymer dispersed liquid crystal
phase separation
diffraction efficiency
siloxane-containing epoxides
ring-opening polymerization
volume shrinkage |
| 発行日: | 2005-02 |
| 出版者: | International Society for Optical Engineering (SPIE) |
| 誌名: | Proceedings of SPIE |
| 巻: | 5636 |
| 開始ページ: | 475 |
| 終了ページ: | 482 |
| DOI: | 10.1117/12.571078 |
| 抄録: | Optimization of performance of holographic gratings was investigated by changing the chemical structures of photopolymerizable monomers, the LC content, and recording beam intensity, which strongly related to the control of kinetics of polymerization and phase separation of LCs. High diffraction efficiency was obtained using 3-acryloxypropyltrimethoxysilane (APTMS) and 2-[(3,4-epoxycyclohexyl)ethyl]trimethoxysilane (ECTMS) as siloxane-containing reactive diluent by inducing a fast and good phase separation originated from the incompatible and flexible properties of siloxane chain even at a very low LC concentration (10~25wt%), in contrast to the case using diluent without siloxane component,like N-vinylpyrrolidinone. The phase-separated morphologies of gratings, such as spacing and surface topology, were observed by atomic force microscopy (AFM). Very regular and smooth morphologies were observed for the formed holographic gratings with APTMS and various amounts of LC. |
| Rights: | Copyright 2005 Society of Photo-Optical Instrumentation Engineers. This paper was published in Yeong Hee CHO, Nam KIM, and Yusuke KAWAKAMI, Proceedings of SPIE, 5636, 2005, 475-482 and is made available as an electronic reprint with permission of SPIE. One print or electronic copy may be made for personal use only. Systematic or multiple reproduction, distribution to multiple locations via electronic or other means, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper are prohibited. |
| URI: | http://hdl.handle.net/10119/4961 |
| 資料タイプ: | publisher |
| 出現コレクション: | c10-1. 雑誌掲載論文 (Journal Articles)
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