Lasers, Fiber Optics, and Communications

Cascade-able optical fiber delay-based temperature sensor system

[+] Author Affiliations
Ning Yang, Qi Qiu, Jun Su, Shuang-jin Shi

University of Electronic Science and Technology of China, School of Optoelectronic Information, No. 4, Section 2, North Jianshe Road, Chengdu 610054, China

Opt. Eng. 54(2), 026105 (Feb 17, 2015). doi:10.1117/1.OE.54.2.026105
History: Received October 17, 2014; Accepted January 27, 2015
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Abstract.  A high-sensitivity temperature sensor based on optical fiber delay is proposed in this paper. The sensor system is designed and tested in a temperature range of 0°C to 100°C with increments of 5°C. The output delay difference is found to be linearly proportional to the temperature with an average fluctuation less than 0.1 ps. To achieve an overall low cost and practical detection, a simple detection system is developed to measure temperature, and a potential for high temperature sensitivity is shown by analyzing the system. As a result, this sensor system is proven to be feasible and practical, and temperature can be measured in a simple and economical way.

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© 2015 Society of Photo-Optical Instrumentation Engineers

Citation

Ning Yang ; Qi Qiu ; Jun Su and Shuang-jin Shi
"Cascade-able optical fiber delay-based temperature sensor system", Opt. Eng. 54(2), 026105 (Feb 17, 2015). ; http://dx.doi.org/10.1117/1.OE.54.2.026105


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