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Sensors 2017, 17(8), 1770; https://doi.org/10.3390/s17081770

Hybrid Structure Multichannel All-Fiber Current Sensor

1
Key Laboratory of OptoElectronic Science and Technology for Medicine of Ministry of Education, Fujian Provincial Key Laboratory of Photonics Technology, Fujian Normal University, Fuzhou 350007, China
2
Department of Electronic Information Science, Fujian Jiangxia College, Fuzhou 350007, China
*
Author to whom correspondence should be addressed.
Received: 21 June 2017 / Revised: 27 July 2017 / Accepted: 28 July 2017 / Published: 2 August 2017
(This article belongs to the Section Physical Sensors)
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Abstract

We have experimentally developed a hybrid-structure multi-channel all-fiber current sensor with ordinary silica fiber using fiber loop architecture. According to the rationale of time division multiplexing, the sensor combines parallel and serial structures. The purpose of the hybrid-structure multi-channel all-fiber current sensor is to get more information from the different measured points simultaneously. In addition, the hybrid-structure fiber current sensor exhibited a good linear response for each channel. A three-channel experiment was performed in the study and showed that the system could detect different current positions. Each channel could individually detect the current and needed a separate calibration system. Furthermore, the three channels will not affect each other. View Full-Text
Keywords: fiber optics; current sensors; hybrid structure; multi-channel; time division multiplexing fiber optics; current sensors; hybrid structure; multi-channel; time division multiplexing
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).
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Jiang, J.; Zhang, H.; He, Y.; Qiu, Y. Hybrid Structure Multichannel All-Fiber Current Sensor. Sensors 2017, 17, 1770.

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