Accurate Measurement of Light Modulation Properties of Piezoelectric Polymer
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概要
- 論文の詳細を見る
In order to study the light modulation properties due to the electrooptical effect, we prepared piezoelectric poly(l-lactic acid) (PLLA) films by drawing and annealing, and ferroelectric polyurea-5 (PU5) by vapor deposition. In all PLLA films fabricated in this study, we found that light amplitude modulation (LM) caused by applying an electric field occurs, using our experimental system based on the heterodyne interferometry principle. However, the LM was very weak. LM in the recrystallized PLLA film is stronger than those in the other PLLA films. The occurrence of LM in PU5 was confirmed using our experimental system. Such results have not been reported until now. Here, we emphasize that the occurrence of LM in PLLA fabricated by the drawing and annealing method and in PU5 film fabricated by the vapor-deposition method is clarified in this study for the first time.
- Published by the Japan Society of Applied Physics through the Institute of Pure and Applied Physicsの論文
- 2006-09-30
著者
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Umeda Norihiro
Tokyo Univ. Agriculture And Technol. Tokyo Jpn
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Kowa Hiroyuki
Uniopt Co. Ltd.
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Tajitsu Yoshiro
Graduate School of Electrical Engineering, Kansai University, Suita, Osaka 564-8680, Japan
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Honda Masahiro
Graduate School of Engineering, Kansai University, 3-3-35 Yamate, Suita, Osaka 564-8680, Japan
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Morii Katsunori
Graduate School of Engineering, Kansai University, 3-3-35 Yamate, Suita, Osaka 564-8680, Japan
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Tsukiji Mitsuo
Graduate School of Engineering, Kansai University, 3-3-35 Yamate, Suita, Osaka 564-8680, Japan
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Muraki Kanae
Uniopt Co., Ltd., 2102 Makigaya, Aoi-ku, Shizuoka 421-1221, Japan
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Kowa Hiroyuki
Uniopt Co., Ltd., 2102 Makigaya, Aoi-ku, Shizuoka 421-1221, Japan
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