A high sensitivity all-fiber temperature sensor based on SPS fiber structure-based Sagnac loop

Laipeng Shao; Jing Du; Wenwen Quan; Tianyin Wu; HangLin Lu; Junhui Hu

doi:10.1117/12.2285282

25 October 2017 A high sensitivity all-fiber temperature sensor based on SPS fiber structure-based Sagnac loop

Laipeng Shao, Jing Du, Wenwen Quan, Tianyin Wu, HangLin Lu, Junhui Hu

Proceedings Volume 10464, AOPC 2017: Fiber Optic Sensing and Optical Communications; 104641J (2017) https://doi.org/10.1117/12.2285282
Event: Applied Optics and Photonics China (AOPC2017), 2017, Beijing, China

Abstract

A high sensitivity and low cost all-fiber temperature sensor combined a single-mode-polarization maintaining-single-mode optical fiber (SPS) structure and a Sagnac loop is proposed and experimentally demonstrated. In this sensor, the SPS structure is reeled into a circle is inserted into a Sagnac loop. Experimental results show that the radius of the circle has significant influence on temperature sensitivity. The temperature sensitivity can reach up to 1.678nm/°C for the radius of 3cm.

Citation Download Citation

Laipeng Shao, Jing Du, Wenwen Quan, Tianyin Wu, HangLin Lu, and Junhui Hu "A high sensitivity all-fiber temperature sensor based on SPS fiber structure-based Sagnac loop", Proc. SPIE 10464, AOPC 2017: Fiber Optic Sensing and Optical Communications, 104641J (25 October 2017); https://doi.org/10.1117/12.2285282

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