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Photonics
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Emerging Trends in Fiber Optic Sensing
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Emerging Trends in Fiber Optic Sensing

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

Deadline for manuscript submissions: 30 September 2025 | Viewed by 351

Special Issue Editors

Dr. Haiyang Wang

E-Mail Website
Guest Editor
State Key Laboratory of Dynamic Measurement Technology, North University of China, Taiyuan 030051, China
Interests: Brillouin fiber sensors; distributed fiber sensing; chalcogenide fiber sensors; Brillouin lasers; random fiber lasers; fiber tapering and fabrication; fiber optics; nonlinear optics
Special Issues, Collections and Topics in MDPI journals
Dr. Guowen An

E-Mail Website
Guest Editor
Science and Technology on Electronic Test and Measurement Laboratory, North University of China, Taiyuan 030051, China
Interests: fiber-optic sensors; photonic crystal fiber
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Fiber optic sensors have become increasingly significant due to their unique advantages, such as high sensitivity, immunity to electromagnetic interference, and ability to operate in harsh environments. The rapid advancements in materials, fabrication techniques, and signal processing algorithms have further expanded the capabilities of fiber optic sensors, enabling unprecedented precision and functionality. The Special Issue aims to explore the latest advancements and innovative applications in the field of fiber optic sensing technologies.

Potential authors are invited to contribute original research articles that explore novel sensing mechanisms, advanced materials, and integrated systems that push the boundaries of current technology. Topics of interest include, but are not limited to, distributed sensing, multiplexing techniques, micro- and nano-structured fibers, and lasing sensing. This Special Issue also encourages submissions that explore the practical implementation of these technologies in real-world scenarios, providing insights into their scalability and commercial viability.

This Special Issue seeks to highlight the latest trends, address existing challenges, and inspire future directions in fiber optic sensing. We welcome original research articles that contribute to the advancement of the fiber sensing field.

Dr. Haiyang Wang
Dr. Guowen An
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Photonics is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2400 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • fiber sensing
  • distribued fiber sensing
  • optical sensing
  • laser sensing
  • signal processing
  • grating-based sensors
  • manufacturing of sensor devices
  • structural helath monitoring
  • temperature/pressure /acoustic/strain sensors
  • applications of sensors

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Further information on MDPI's Special Issue policies can be found here.

Published Papers (1 paper)

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Research

11 pages, 9569 KiB  
Article
MgO-Based Fabry-Perot Vibration Sensor with a Fiber-Optic Collimator for High-Temperature Environments
by Jiacheng Tu, Qirui Zhao, Jiantao Hu, Yuhao Huang, Haiyang Wang, Jia Liu and Pinggang Jia
Photonics 2025, 12(6), 524; https://doi.org/10.3390/photonics12060524 - 22 May 2025
Viewed by 228
Abstract
In this paper, a MgO-based high-temperature Fabry-Perot (F-P) vibration sensor with a fiber-optic collimator is proposed and experimentally demonstrated at 1000 °C. The sensor is composed of a sensing unit and a fiber-optic collimator. The F-P cavity is formed by the upper surface [...] Read more.
In this paper, a MgO-based high-temperature Fabry-Perot (F-P) vibration sensor with a fiber-optic collimator is proposed and experimentally demonstrated at 1000 °C. The sensor is composed of a sensing unit and a fiber-optic collimator. The F-P cavity is formed by the upper surface of the inertial mass block and the countersunk hole of the cover layer. The length of the F-P cavity changes with external vibrations. The sensing unit is prepared by wet etching technology and three-layer direct bonding technology, which ensure its stability and reliability in high-temperature environments. The experimental results indicate that the sensor can operate stably within a range from room temperature up to 1000 °C. The sensitivity and non-linearity of the sensor at 1000 °C are 1.3224 nm/g and 3.8%, respectively. Furthermore, the sensor operates at frequencies of up to 4 kHz while remaining unaffected by lateral vibration signals. The high-temperature F-P vibration sensor can effectively deal with the fiber damage in extreme environments and exhibits considerable potential for widespread applications. Full article
(This article belongs to the Special Issue Emerging Trends in Fiber Optic Sensing)
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