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Optical Fiber Sensors Based on Fiber Ring Laser Demodulation Technology
Wen-Ge Xie1, Ya-Nan Zhang2,3, Peng-Zhao Wang4
1College of Information Science and Engineering, Northeastern University, Shenyang 110819, China. xiewenge@stumail.neu.edu.cn.
Sensors (Basel, Switzerland)
|February 9, 2018
Summary
This review explores optical fiber sensors using fiber ring laser (FRL) demodulation. It details principles, structures, and performance of Mach-Zehnder, Fabry-Perot, Sagnac, and fiber Bragg grating sensors.
Area of Science:
- Optoelectronics and Photonics
- Fiber Optic Sensing Technology
Background:
- Fiber ring lasers (FRLs) offer unique demodulation capabilities for optical fiber sensors.
- Understanding FRL principles is crucial for advancing sensing applications.
Purpose of the Study:
- To provide a comprehensive review of optical fiber sensors employing FRL demodulation technology.
- To analyze the principles, structures, and sensing performances of various FRL-based sensors.
Main Methods:
- Review and synthesis of existing literature on FRL-based optical fiber sensors.
- Comparative analysis of different sensor types including Mach-Zehnder interferometer (MZI), Fabry-Perot interferometer (FPI), Sagnac, and fiber Bragg grating (FBG) sensors.
Main Results:
- Detailed discussion of the theoretical background of FRL-based sensors.
- Presentation and comparison of typical studies and main properties for MZI, FPI, Sagnac, and FBG sensor types.
- Comparative evaluation of the sensing performances across different FRL-based sensor architectures.
Conclusions:
- Identification of current challenges and limitations in FRL-based optical fiber sensing.
- Outlining future research directions and potential advancements in the field.
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