Science and Applications of Optical Fiber Sensors: Recent Advances and Future Trends

A special issue of Photonics (ISSN 2304-6732).

Deadline for manuscript submissions: 31 August 2024 | Viewed by 1208

Special Issue Editors


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Guest Editor
Photonics Research Group – Optical Fiber Sensors Division, Institute for Advanced Studies, IEAv, São José dos Campos, Brazil
Interests: fiber-optic-based biosensors; chemical sensors; physical sensors; interrogation systems; electronic instrumentation

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Guest Editor
School of Information Engineering, Guangdong University of Technology, Guangzhou, China
Interests: photonics devices; mode division multiplexing; optical fiber sensor
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Special Issue Information

Dear Colleagues,

Optical fiber sensors have revolutionized several branches of sensing technology due to some excellent properties intrinsic of optical fibers, such as immunity to electromagnetic interference, malleability, low weight, ease of use, handling and cabling, biocompatibility, and no need for power supplies at the sensing point. Thanks greatly to the revolution in telecommunications provided by low-loss optical fibers and solid-state optical power sources, off-the-shelf fiber-based sensors and sensing systems are being commercialized today for a multitude of applications ranging from structural health monitoring to biosensing. Nevertheless, new materials and technologies are helping the development and improvement of novel fiber-based sensors and systems at an ever-growing pace of innovation in response to challenges posed by new demands of a more sustainable, greener society. This Special Issue of Photonics addresses all types of optical fiber sensors and systems, from fundamentals to applications. We are inviting the submission of original papers and review papers reporting the latest advances in optical fiber sensing technology, including all types of biosensors, chemical sensors, gas sensors, physical sensors (temperature, strain, pressure, vibration, force, acceleration, landslide, structural health monitoring, electric and magnetic fields, electric currents and voltages, etc.).

Dr. Alex Dante
Dr. Quandong Huang
Guest Editors

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Published Papers (1 paper)

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Review

12 pages, 3652 KiB  
Review
Mechanically Induced Long-Period Fiber Gratings and Applications
by Jiaqi Ran, Yarou Chen, Guanhua Wang, Zelan Zhong, Jiali Zhang, Ou Xu, Quandong Huang and Xueqin Lei
Photonics 2024, 11(3), 223; https://doi.org/10.3390/photonics11030223 - 29 Feb 2024
Viewed by 870
Abstract
Long-period fiber gratings (LPFGs) functioning as band-reject filters have played a pivotal role in the realm of optical communication. Since their initial documentation in 1996, LPFGs have witnessed rapid advancements in areas such as optical sensing, the equalization of optical amplification, and optical [...] Read more.
Long-period fiber gratings (LPFGs) functioning as band-reject filters have played a pivotal role in the realm of optical communication. Since their initial documentation in 1996, LPFGs have witnessed rapid advancements in areas such as optical sensing, the equalization of optical amplification, and optical band-pass filtering, etc. The unique attributes of optical fiber-based grating, including their miniaturized size, cost-effectiveness, and immunity to electromagnetic interference, have contributed significantly to various sectors over the last two decades. This paper presents a review of the evolution of LPFGs, with a specific focus on the progression and current trends of mechanically induced long-period fiber gratings. It offers a concise overview of coupled-mode theory, the fabrication processes, the merits, and the limitations associated with mechanically induced LPFGs. Moreover, this review elucidates the application methodologies of mechanically induced LPFGs and anticipates future directions in this field. Full article
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