Temperature insensitive strain sensors based on high birefringence fiber loop mirror with a single fiber Bragg grating

Haibin Zhou; Bo Liu; Yange Liu; Hua Sun; Yinping Miao; Jianhua Luo

doi:10.1117/12.803803

11 November 2008 Temperature insensitive strain sensors based on high birefringence fiber loop mirror with a single fiber Bragg grating

Haibin Zhou, Bo Liu, Yange Liu, Hua Sun, Yinping Miao, Jianhua Luo

Author Affiliations +

Proceedings Volume 7134, Passive Components and Fiber-based Devices V; 713428 (2008) https://doi.org/10.1117/12.803803
Event: Asia-Pacific Optical Communications, 2008, Hangzhou, China

Abstract

In this letter, a novel optical sensor based on high birefringence fiber loop mirror with a single Fiber Bragg Grating, available for temperature insensitive measurement for strain, was proposed and demonstrated. Considering that the HBFLM (high birefringence fiber loop mirror) and the conditional Fiber Bragg Grating have different response to strain and temperature, respectively, we can detect both the peak wavelength shift of these two devices. So we can build a lineal matrix equation between the perturbation of the surrounding and the shift of the transmission spectrum. Compared with conditional sensors for simultaneous measurement, this kind of sensor has several advantages, including simple configuration, low cost and easy to be fabricated.

Citation Download Citation

Haibin Zhou, Bo Liu, Yange Liu, Hua Sun, Yinping Miao, and Jianhua Luo "Temperature insensitive strain sensors based on high birefringence fiber loop mirror with a single fiber Bragg grating", Proc. SPIE 7134, Passive Components and Fiber-based Devices V, 713428 (11 November 2008); https://doi.org/10.1117/12.803803

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