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Optical Fiber Grating Hydrogen Sensors: A Review
Jixiang Dai1, Li Zhu2, Gaopeng Wang3
1National Engineering Laboratory for Fiber Optic Sensing Technology, Wuhan University of Technology, Wuhan 430070, China. djx409081947@163.com.
Sensors (Basel, Switzerland)
|March 14, 2017
Summary
Optical fiber hydrogen sensors offer safe and reliable hydrogen detection. This review covers fiber grating sensors with various materials, discussing their performance and challenges.
Area of Science:
- Optoelectronics
- Chemical Sensing
- Materials Science
Background:
- Optical fiber sensors are researched for hydrogen sensing due to safety and anti-electromagnetic interference.
- Fiber grating sensors coated with sensitive materials show promise for reliable, distributed hydrogen measurements.
Purpose of the Study:
- To review and compare optical fiber hydrogen sensors based on fiber gratings and various materials.
- To discuss the configurations and sensing performances of these sensors.
- To address the current challenges in fiber grating hydrogen sensor technology.
Main Methods:
- Literature review of worldwide research on optical fiber hydrogen sensors.
- Analysis and comparison of different sensor configurations and materials.
- Discussion of reported sensing performances and limitations.
Main Results:
- Identified various fiber grating configurations and sensitive materials for hydrogen sensing.
- Compared the sensing performance metrics (e.g., sensitivity, response time) of different approaches.
- Highlighted the advantages of reliability and distributed measurement capabilities.
Conclusions:
- Fiber grating hydrogen sensors are a significant area of research with good potential.
- Further research is needed to overcome existing challenges for practical applications.
- Material selection and sensor design are critical for optimizing performance.
