Polarization Recording in Photoinduced Chiral Material for Optical Storage
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概要
- 論文の詳細を見る
A novel method of optical data storage was proposed using the rotation of polarization. The optical data was recorded as a chiral structure formed in a film made of an azobenzene copolymer using elliptically polarized light irradiation. The elliptically polarized light of a reading light was digitized into two states, “0” and “1”. The initial state is defined as “0”, while state “1” is observed by an optical rotation of the reading light, which is achieved by the photoinduced chiral structure formation. The recording characteristics were investigated by varying the intensity of the recording light and the recording time. Since the chiral structure was erased by circularly polarized light, state “1” could be reversed to state “0”. The possibility of using our proposed method for achieving next-generation rewritable, multilevel, and parallel optical data storage was discussed.
- 2007-06-30
著者
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Itoh Masahide
Institute Of Applied Physics And Tsukuba Avuanced Research Alliance University Of Tsukuba
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Barada Daisuke
Center For Optical Research And Education (core) Utsunomiya University
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Fukuda Takashi
Photonics Research Institute National Institute Of Advanced Industrial Science And Technology
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Yatagai Toyohiko
Center For Optical Research And Education (core) Utsunomiya University
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Sumimura Hiroshi
Institute of Applied Physics, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki 305-8573, Japan
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Kim Jun
Photonics Research Institute, National Institute of Advanced Industrial Science and Technology (AIST), 1-1-1 Higashi, Tsukuba, Ibaraki 305-8565, Japan
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Kim Jun
Photonics Research Institute, National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba Central 5, 1-1-1 Higashi, Tsukuba, Ibaraki 305-8565, Japan
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Barada Daisuke
Center for Optical Research and Education (CORE), Utsunomiya University, 7-1-2 Yoto, Utsunomiya 321-8585, Japan
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Yatagai Toyohiko
Center for Optical Research and Education (CORE), Utsunomiya University, 7-1-2 Yoto, Utsunomiya 321-8585, Japan
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