An in-line Mach-Zehnder interferometer temperature sensor based on cladding-etched quartz specialty fiber

Xinghu Fu; Yixiao Ji; Chanyuan Wu; Xianjiao Zeng; Chenyu Zhang; Haiyang Xie; Chuanqing Yang; Weihong Bi

doi:10.1117/12.2193355

10 August 2015 An in-line Mach-Zehnder interferometer temperature sensor based on cladding-etched quartz specialty fiber

Xinghu Fu, Yixiao Ji, Chanyuan Wu, Xianjiao Zeng, Chenyu Zhang, Haiyang Xie, Chuanqing Yang, Weihong Bi

Author Affiliations +

Proceedings Volume 9620, 2015 International Conference on Optical Instruments and Technology: Optical Sensors and Applications; 962006 (2015) https://doi.org/10.1117/12.2193355
Event: International Conference on Optical Instruments and Technology 2015, 2015, Beijing, China

Abstract

An in-line Mach-Zehnder interferometer temperature sensor is proposed based on cladding-etched quartz specialty fiber. For different etching depth for the outer cladding of quartz specialty fiber, the relationship between transmission spectrum and temperature is analyzed, respectively. Experimental results show that the interference spectrums shift with the temperature changing. The peaks and valleys of spectrum have a red shift as temperature increasing. The temperature sensitivity can be up to 62.89pm/°C in 25-90°C. Thus, this temperature sensor is low-cost, easy to be fabricated and high sensitivity, so it can be used in industrial production, biomedicine, aerospace and power electronics.

Citation Download Citation

Xinghu Fu, Yixiao Ji, Chanyuan Wu, Xianjiao Zeng, Chenyu Zhang, Haiyang Xie, Chuanqing Yang, and Weihong Bi "An in-line Mach-Zehnder interferometer temperature sensor based on cladding-etched quartz specialty fiber", Proc. SPIE 9620, 2015 International Conference on Optical Instruments and Technology: Optical Sensors and Applications, 962006 (10 August 2015); https://doi.org/10.1117/12.2193355

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