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Proceedings Paper

An in-line Mach-Zehnder interferometer temperature sensor based on cladding-etched quartz specialty fiber
Author(s): Xinghu Fu; Yixiao Ji; Chanyuan Wu; Xianjiao Zeng; Chenyu Zhang; Haiyang Xie; Chuanqing Yang; Weihong Bi
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Paper 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.

Paper Details

Date Published: 10 August 2015
PDF: 6 pages
Proc. SPIE 9620, 2015 International Conference on Optical Instruments and Technology: Optical Sensors and Applications, 962006 (10 August 2015); doi: 10.1117/12.2193355
Show Author Affiliations
Xinghu Fu, Yanshan Univ. (China)
The Key Lab. for Special Fiber and Fiber Sensor of Hebei Province (China)
Yixiao Ji, Yanshan Univ. (China)
Chanyuan Wu, Yanshan Univ. (China)
Xianjiao Zeng, Yanshan Univ. (China)
Chenyu Zhang, Yanshan Univ. (China)
Haiyang Xie, Yanshan Univ. (China)
Chuanqing Yang, Yanshan Univ. (China)
Weihong Bi, Yanshan Univ. (China)
The Key Lab. for Special Fiber and Fiber Sensor of Hebei Province (China)


Published in SPIE Proceedings Vol. 9620:
2015 International Conference on Optical Instruments and Technology: Optical Sensors and Applications
Xuping Zhang; David Erickson; Xudong Fan; Zhongping Chen, Editor(s)

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