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Proceedings Paper

Reconstructing arbitrary strain distributions within fiber gratings by evolutionary programming
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Paper Abstract

An innovative algorithm based on the evolutionary programming (EP) method is developed for recovering distributions of axial strain along a fiber grating from its reflection spectral response. The proposed method exhibits a number of attractive features that prove to be effective for solving the inverse problems. The basics of EP are reviewed and the detailed programming procedures of the proposed algorithm are presented. By combining EP and the matrix method for calculating the reflection spectrum of a FBG, we obtain a new method for the distributed sensing. The numerical simulations show good agreements between the original and the reconstructed strain profiles.

Paper Details

Date Published: 6 December 2005
PDF: 5 pages
Proc. SPIE 6019, Passive Components and Fiber-based Devices II, 60191X (6 December 2005); doi: 10.1117/12.635988
Show Author Affiliations
Guiling Huang, Nankai Univ. (China)
Qida Zhao, Nankai Univ. (China)
Lihui Liu, Nankai Univ. (China)
Tuan Guo, Nankai Univ. (China)
Qinchang Tu, Nankai Univ. (China)
Shiyu Gao, Nankai Univ. (China)
Lifang Xue, Nankai Univ. (China)

Published in SPIE Proceedings Vol. 6019:
Passive Components and Fiber-based Devices II
Yan Sun; Jianping Chen; Sang Bae Lee; Ian H. White, Editor(s)

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