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Proceedings Paper

Long period fiber grating sensor in hollow eccentric optical fiber
Author(s): Xing Zhong; Guopei Mao; Tingting Yuan; Chunying Guan; Li-Bo Yuan
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Paper Abstract

The bending characteristics of the long period fiber grating (LPFG) in hollow eccentric optical fiber (HEOF) were investigated experimentally. The results indicate that the HEOF-LPFG is insensitive to the bending and the biggest sensitivity only is 1.3nm/m-1 in the range of 0~5m-1. More than that, the dependences of the resonant peak on the temperature and the axial strain were also studied, obtaining the response of 56.7 pm/°С and 0.3 pm/με, respectively. Obviously, the HEOF-LPFG is more sensitive to the temperature and immune to the curvature and the strain. The HEOF-LPFG can be employed to measure the single parameter and simplify the measurement equipment in the practical application.

Paper Details

Date Published: 11 November 2014
PDF: 4 pages
Proc. SPIE 9274, Advanced Sensor Systems and Applications VI, 92741H (11 November 2014); doi: 10.1117/12.2071871
Show Author Affiliations
Xing Zhong, Harbin Engineering Univ. (China)
Guopei Mao, Harbin Engineering Univ. (China)
Tingting Yuan, Harbin Engineering Univ. (China)
Chunying Guan, Harbin Engineering Univ. (China)
Li-Bo Yuan, Harbin Engineering Univ. (China)

Published in SPIE Proceedings Vol. 9274:
Advanced Sensor Systems and Applications VI
Tiegen Liu; Shibin Jiang; Niels Neumann, Editor(s)

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