Multi-gigabit Free-space Optical Communication System with Bidirectional Beacon Tracking
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- Arimoto Yoshinori
- National Institute of Information and Communications Technology
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説明
The performance and design highlights of a multi-gigabit free-space optical communication system with fast and accurate beacon tracking are described. In order to achieve high data-rate as well as eye-safety, transmitting laser beam at a 1552 nm wavelength is collimated to be near diffraction limited and the beacon tracker, operated at a 980 nm wavelength with a Si quadrant photodetector, a miniature fast steering mirror and a wideband proportional-integral-derivative (PID) servo controller, is used to detect the receiving beacon direction and to point the transmitting laser beam to the opposite terminal. A preliminary result of a 10-Gbps bidirectional transmission experiment over 1-km distance at Waseda University and the corresponding link analysis are also presented.
収録刊行物
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- 電気学会論文誌. A
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電気学会論文誌. A 127 (7), 385-390, 2007
一般社団法人 電気学会
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詳細情報 詳細情報について
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- CRID
- 1390282679570324608
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- NII論文ID
- 10019523420
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- NII書誌ID
- AN10136312
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- ISSN
- 13475533
- 03854205
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- NDL書誌ID
- 8878217
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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
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