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Proceedings Paper

Novel multimode fiber sensor by applying torsional angle tuning
Author(s): Weigang Zhang; Xiaoyi Dong; Zhigang Wu; Guang Zhou; Jian Zeng; Shuzhong Yuan; Guiyun Kai; Qida Zhao
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Paper Abstract

The linear fiber sensor of torsional angle with biderectional tuning has been designed and realized by using multi-mode fiber and torsion beam. The optical power loss of the multi-mode fiber is linear to the torsional angle of the torsion beam under the torsional strain is not large. In the range between -40 and +40 , we obtained that the sensitivity of the torsional angle is 0.376dB/degree for positive torsion and —0.374dB/degree for negative torsion, respectively. The experimental results are good agreement with the theoretical analyses.

Paper Details

Date Published: 9 September 2002
PDF: 4 pages
Proc. SPIE 4920, Advanced Sensor Systems and Applications, (9 September 2002); doi: 10.1117/12.482014
Show Author Affiliations
Weigang Zhang, Nankai Univ. (China)
Xiaoyi Dong, Nankai Univ. (China)
Zhigang Wu, Nankai Univ. (China)
Guang Zhou, Nankai Univ. (China)
Jian Zeng, Nankai Univ. (China)
Shuzhong Yuan, Nankai Univ. (China)
Guiyun Kai, Nankai Univ. (China)
Qida Zhao, Nankai Univ. (China)

Published in SPIE Proceedings Vol. 4920:
Advanced Sensor Systems and Applications
Yun-Jiang Rao; Julian D. C. Jones; Hiroshi Naruse; Robert I. Chen, Editor(s)

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