Simultaneous temperature and tension monitoring of a multi-layer composite film with embedded Hi-Bi optical fiber Bragg gratings

Guanghui Chen; Jianbo Sha; Ming Zhao; Kan Gao; Ping Xue; Lianqing Zhu

doi:10.1117/12.2222155

12 May 2016 Simultaneous temperature and tension monitoring of a multi-layer composite film with embedded Hi-Bi optical fiber Bragg gratings

Guanghui Chen, Jianbo Sha, Ming Zhao, Kan Gao, Ping Xue, Lianqing Zhu

Author Affiliations +

Proceedings Volume 9852, Fiber Optic Sensors and Applications XIII; 98520N (2016) https://doi.org/10.1117/12.2222155
Event: SPIE Commercial + Scientific Sensing and Imaging, 2016, Baltimore, MD, United States

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.

Citation Download Citation

Guanghui Chen, Jianbo Sha, Ming Zhao, Kan Gao, Ping Xue, and Lianqing Zhu "Simultaneous temperature and tension monitoring of a multi-layer composite film with embedded Hi-Bi optical fiber Bragg gratings", Proc. SPIE 9852, Fiber Optic Sensors and Applications XIII, 98520N (12 May 2016); https://doi.org/10.1117/12.2222155

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