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Proceedings Paper

Cladding mode resonance of special optical fiber for bending sensor with temperature insensitivity
Author(s): Tingyun Wang; Fufei Pang; Xianglong Zeng; Wenbin Liang; Wenchao Xiang; Zhenyi Chen
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Paper Abstract

In this paper, we fabricated and demonstrated a temperature-insensitive fiber bending sensor based on a special optical fiber with cladding mode resonance. The special fiber, with pure silica core and a fluorine-codoped inner cladding, fabricated by using conventional MCVD technique exhibited strong cladding mode resonance. The bend curvature dependence of resonant spectrum was investigated with high sensitivity to be -10.15nm•m-1 and was found to possess an insensitivity to temperature. The proposed special fiber bending sensor is simple and low cost.

Paper Details

Date Published: 16 May 2008
PDF: 4 pages
Proc. SPIE 7004, 19th International Conference on Optical Fibre Sensors, 70042M (16 May 2008); doi: 10.1117/12.785991
Show Author Affiliations
Tingyun Wang, Shanghai Univ. (China)
Fufei Pang, Shanghai Univ. (China)
Xianglong Zeng, Shanghai Univ. (China)
Wenbin Liang, Shanghai Univ. (China)
Wenchao Xiang, Shanghai Univ. (China)
Zhenyi Chen, Shanghai Univ. (China)

Published in SPIE Proceedings Vol. 7004:
19th International Conference on Optical Fibre Sensors
David Sampson; Stephen Collins; Kyunghwan Oh; Ryozo Yamauchi, Editor(s)

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