Optical Fiber Sensors Based on Fiber Ring Laser Demodulation Technology

Wen-Ge Xie; Ya-Nan Zhang; Peng-Zhao Wang; Jian-Zhang Wang

doi:10.3390/s18020505

Sensors (Feb 2018)

Optical Fiber Sensors Based on Fiber Ring Laser Demodulation Technology

Wen-Ge Xie,
Ya-Nan Zhang,
Peng-Zhao Wang,
Jian-Zhang Wang

Affiliations

Wen-Ge Xie: College of Information Science and Engineering, Northeastern University, Shenyang 110819, China
Ya-Nan Zhang: College of Information Science and Engineering, Northeastern University, Shenyang 110819, China
Peng-Zhao Wang: College of Information Science and Engineering, Northeastern University, Shenyang 110819, China
Jian-Zhang Wang: College of Information Science and Engineering, Northeastern University, Shenyang 110819, China

DOI: https://doi.org/10.3390/s18020505
Journal volume & issue: Vol. 18, no. 2
p. 505

Abstract

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A review for optical fiber sensors based on fiber ring laser (FRL) demodulation technology is presented. The review focuses on the principles, main structures, and the sensing performances of different kinds of optical fiber sensors based on FRLs. First of all, the theory background of the sensors has been discussed. Secondly, four different types of sensors are described and compared, which includes Mach–Zehnder interferometer (MZI) typed sensors, Fabry–Perot interferometer (FPI) typed sensors, Sagnac typed sensors, and fiber Bragg grating (FBG) typed sensors. Typical studies and main properties of each type of sensors are presented. Thirdly, a comparison of different types of sensors are made. Finally, the existing problems and future research directions are pointed out and analyzed.

Published in Sensors

ISSN: 1424-8220 (Online)
Publisher: MDPI AG
Country of publisher: Switzerland
LCC subjects: Technology: Chemical technology
Website: http://www.mdpi.com/journal/sensors

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