A tension insensitive PbS fiber temperature sensor based on Sagnac interferometer

被引：2
|
作者：
Fu X.-H. [1 ]
Zhang J.-P. [1 ]
Yang K.-L. [1 ]
Dong Y.-H. [2 ]
Wen J.-X. [2 ]
Fu G.-W. [1 ]
Bi W.-H. [1 ]
机构：
[1] The Key Laboratory for Special Fiber and Fiber Sensor of Hebei Province, School of Information Science and Engineering, Yanshan University, Qinhuangdao
[2] Key Laboratory of Specialty Fiber Optics and Optical Access Networks, Shanghai University, Shanghai
来源：
Optoelectronics Letters | 2017年 / 13卷 / 2期
基金：
中国国家自然科学基金;
关键词：
A;
D O I：
10.1007/s11801-017-6238-z
中图分类号：
学科分类号：
摘要：
In this paper, a tension insensitive PbS fiber temperature sensor based on Sagnac interferometer is proposed and demonstrated. The sensing mechanism of tension and temperature is analyzed. The relationships between the interference spectrum, temperature and tension are analyzed, respectively. The experimental temperature range is 36—70 °C. The experimental results show that the interference spectrum is red shifted, and its sensitivity is 53.89 pm/°C. In tension experiment, the tension range is 0—1 400 με. The experimental results show that there is no wavelength shift in the interference spectrum. The sensor is immune to tension cross-sensitivity compared with other sensors. It can be used for temperature testing in aerospace, chemistry and pharmacy. © 2017, Tianjin University of Technology and Springer-Verlag Berlin Heidelberg.
引用
收藏
页码：135 / 137
页数：2
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