Optical Fiber Based Temperature Sensors: A Review

The current generation is witnessing a huge interest in optical waveguides due to their salient features: they are of low cost, immune to electromagnetic interference, easy to multiplex, have a compact size, etc. These features of optical fibers make them a useful tool for various sensing applicatio...

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Bibliographic Details
Published in:Optics 2023-03, Vol.4 (1), p.171-197
Main Authors: Gangwar, Rahul Kumar, Kumari, Sneha, Pathak, Akhilesh Kumar, Gutlapalli, Sai Dheeraj, Meena, Mahesh Chand
Format: Article
Language:English
Subjects:
Accuracy
Bragg gratings
Ethanol
optical fiber
photonic crystal
Radiation
sensor
Sensors
Temperature
waveguide
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Summary:The current generation is witnessing a huge interest in optical waveguides due to their salient features: they are of low cost, immune to electromagnetic interference, easy to multiplex, have a compact size, etc. These features of optical fibers make them a useful tool for various sensing applications including in medicine, automotives, biotechnology, food quality control, aerospace, physical and chemical monitoring. Among all the reported applications, optical waveguides have been widely exploited to measure the physical and chemical variations in the surrounding environment. Optical fiber-based temperature sensors have played a crucial role in this decade to detect high fever and tackle COVID-19-like pandemics. Recognizing the major developments in the field of optical fibers, this article provides recent progress in temperature sensors utilizing several sensing configurations including conventional fiber, photonic crystal fiber, and Bragg grating fibers. Additionally, this article also highlights the advantages, limitations, and future possibilities in this area.
ISSN:2673-3269
2673-3269
DOI:10.3390/opt4010013