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Proceedings Paper

Novel bend sensor using optical fiber microbend effect
Author(s): Yonglin Huang; Zhaowen Xu; Yifei Yang; Zhengrong Tong; Guiyun Kai; Xiaoyi Dong
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Paper Abstract

A novel of bend sensor is demonstrated firstly. The device uses a simple support beam composing of two beams with a metal line winded on each beam and multimode fiber of a few meters in length which is placed between two beams having metal teeth profile such that the fiber experiences multiple bends. The experiment shows that the microbend loss of the multimode optical fiber is sensitive to the simple support beam bend curvature. The microbend loss with curvatures from 0 to 4.4m-1 is examined. The microbend loss with curvature is nonlinear, with a minimum detectable curvature change of 0.0175m-1.

Paper Details

Date Published: 9 September 2002
PDF: 4 pages
Proc. SPIE 4920, Advanced Sensor Systems and Applications, (9 September 2002); doi: 10.1117/12.482011
Show Author Affiliations
Yonglin Huang, Nankai Univ. (China)
Zhaowen Xu, Nankai Univ. (China)
Yifei Yang, Nankai Univ. (China)
Zhengrong Tong, Nankai Univ. (China)
Guiyun Kai, Nankai Univ. (China)
Xiaoyi Dong, 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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