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Proceedings Paper

Simultaneous temperature and tension monitoring of a multi-layer composite film with embedded Hi-Bi optical fiber Bragg gratings
Author(s): Guanghui Chen; Jianbo Sha; Ming Zhao; Kan Gao; Ping Xue; Lianqing Zhu
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Paper Abstract

Hi-Bi FBGs were employed and embedded in multi-layer composite films (Tedlar + Dacron +Mylar) to monitor temperature and tension. The temperature and tension characteristics of those embedded FBGs were demonstrated quantitatively. The Bragg wavelengths of embedded FBGs shift linearly with the temperature and tension loading on the multi-layer composite films. The slow-axis mode and the fast-axis mode of the Hi-Bi FBGs have different temperature sensitivity and tension sensitivity. The Hi-Bi FBGs have higher temperature sensitivity at low temperature than that at high temperature. Compared with non-embedded, the tension sensitivity of the embedded Hi-Bi FBG increased from 0.01424nm/N and 0.01439nm/N to 0.01516nm/N and 0.01532nm/N, respectively corresponding to the slow-axis mode and the fast-axis mode.

Paper Details

Date Published: 12 May 2016
PDF: 8 pages
Proc. SPIE 9852, Fiber Optic Sensors and Applications XIII, 98520N (12 May 2016); doi: 10.1117/12.2222155
Show Author Affiliations
Guanghui Chen, China Electronics Technology Group Corp. (China)
Jianbo Sha, China Electronics Technology Group Corp. (China)
Ming Zhao, China Electronics Technology Group Corp. (China)
Kan Gao, China Electronics Technology Group Corp. (China)
Ping Xue, China Electronics Technology Group Corp. (China)
Lianqing Zhu, Beijing Information Science & Technology Univ. (China)


Published in SPIE Proceedings Vol. 9852:
Fiber Optic Sensors and Applications XIII
Eric Udd; Gary Pickrell; Henry H. Du, Editor(s)

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