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Proceedings Paper

Theoretical simulation of bending sensitivity of fiber Bragg gratings in special structure fiber
Author(s): Huimei He; Li Wang
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Paper Abstract

The axial strain of bending four-core fiber Bragg gratings (4CF-FBG), bending side-polished FBG (D-FBG) and D-4CF-FBG is analyzed with mechanics of materials. Bending sensitivity characteristic of Bragg wavelength's shift is obtained. D-4CF-FBG's bending sensitivity is higher than that of 4CF-FBG and D-FBG, and D-4CF-FBG's bending sensitivity with respect to the different thickness of side-polished is several times to several decuple higher than D-FBG. The result was helpful for the design of high sensitivity fiber Bragg grating bending device or sensor system.

Paper Details

Date Published: 9 November 2010
PDF: 5 pages
Proc. SPIE 7853, Advanced Sensor Systems and Applications IV, 78531V (9 November 2010); doi: 10.1117/12.869036
Show Author Affiliations
Huimei He, Beijing Univ. of Technology (China)
Beijing Univ. of Chemical Technology (China)
Li Wang, Beijing Univ. of Technology (China)

Published in SPIE Proceedings Vol. 7853:
Advanced Sensor Systems and Applications IV
Brian Culshaw; Yanbiao Liao; Anbo Wang; Xiaoyi Bao; Xudong Fan; Lin Zhang, Editor(s)

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