Temperature Dependence of Photorefractive Properties of PVK-based Composites
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- Jung Gyeong Bok
- Institute of Industrial Science, University of Tokyo
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- Mutai Toshiki
- Institute of Industrial Science, University of Tokyo
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- Fujimura Ryushi
- Institute of Industrial Science, University of Tokyo
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- Ashihara Satoshi
- Institute of Industrial Science, University of Tokyo
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- Shimura Tsutomu
- Institute of Industrial Science, University of Tokyo
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- Araki Koji
- Institute of Industrial Science, University of Tokyo
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- Kuroda Kazuo
- Institute of Industrial Science, University of Tokyo
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We studied the temperature dependencies of electric field-induced birefringence, conductivity, and photorefractive properties of two poly(n-vinylcarbazole) (PVK)-based composites with different nonlinear optical chromophores: 2,5-dimethyl-4-(4′-nitrophenylazo)anisole (DMNPAA) and its derivative, 4-butoxy-3-propyl-1-(4′-nitrophenyazo) benzene (m3p4). Both composites showed similar temperature dependencies; the photorefractive responses were faster at higher temperatures and the diffraction efficiencies increased with temperature and then began to decrease. Such behavior is consistent with the measured temperature dependencies of the field-induced birefringence and the conductivity. We found that the m3p4 composite exhibited a faster photorefractive response rate than the DMNPAA composite when compared at the same reduced temperature T−Tg, where T is the temperature of the measurement and Tg is the glass transition temperature. The results indicate that one can enhance the total photorefractive response rate by changing the nonlinear optical chromophore.
収録刊行物
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- Japanese Journal of Applied Physics
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Japanese Journal of Applied Physics 43 (12), 8316-8321, 2004
The Japan Society of Applied Physics
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詳細情報 詳細情報について
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- CRID
- 1390282681242194560
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- NII論文ID
- 10014216950
- 130004531666
- 210000056833
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- NII書誌ID
- AA10457675
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- ISSN
- 13474065
- 00214922
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- NDL書誌ID
- 7194591
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- NDL
- Crossref
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- 使用不可