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Advanced Optical Fiber Sensors and Applications

A special issue of Sensors (ISSN 1424-8220). This special issue belongs to the section "Optical Sensors".

Deadline for manuscript submissions: 20 November 2026 | Viewed by 2303

Special Issue Editors


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Guest Editor
Wuhan National Laboratory for Optoelectronics, Huazhong University of Science and Technology, Wuhan 430074, China
Interests: fiber Bragg grating technology; optical fiber sensors; optical communication; fiber lasers; ultrafast lasers
Special Issues, Collections and Topics in MDPI journals
School of Optoelectronic Science and Engineering, Anhui University, Hefei 230601, China
Interests: design and fabrication of advanced fiber photonic devices; femtosecond laser processing technology; optical fiber sensing

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Guest Editor
School of Engineering and Applied Science, Aston University, Birmingham B4 7ET, UK
Interests: fibre and guidewave optics; interferometric optics; fibre grating devices and applications; fibre lasers; optical sensors and sensing technologies; femtosecond laser technology; micro/nano photonic structures and devices; biophotonics
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Optical fiber sensing technology has emerged as a transformative solution for precision measurement, offering capabilities far beyond those of conventional electronic sensors. By leveraging the unique waveguiding properties of optical fibers, these sensors achieve exceptional performance in sensitivity, accuracy, and multiplexing capacity. Today, advanced optical fiber sensors are being increasingly applied in a wide range of fields, including structural health monitoring, industrial process control, environmental sensing, and biomedical diagnostics, demonstrating growing scientific and industrial importance. 

This Special Issue aims to collect and showcase the latest research breakthroughs and innovative applications in advanced optical fiber sensors We welcome the submission of original research papers and comprehensive reviews that focus on the design, fabrication, experimental performance of fiber sensors, and various sensing applications. Topics of interest include, but are not limited to, the following:

  • Novel sensing mechanisms and device architectures (e.g., fiber gratings, interferometers, micro-structured fibers);
  • Distributed and quasi-distributed fiber optic sensing systems (BOTDA, Φ-OTDR, FBG arrays);
  • Multi-parameter and multi-functional sensors for physical, chemical, and biological quantities;
  • Advanced signal interrogation, data processing, and sensor network technologies;
  • Practical implementations in infrastructure monitoring, smart industry, energy systems, environmental protection, and biomedical applications.

Prof. Dr. Xuewen Shu
Dr. Qi Yu
Prof. Dr. Lin Zhang
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 250 words) can be sent to the Editorial Office for assessment.

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. Sensors is an international peer-reviewed open access semimonthly 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 2600 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 optic sensors
  • distributed sensing
  • fiber Bragg gratings
  • structural health monitoring
  • biochemical sensing
  • sensor interrogation
  • multi-parameter sensing
  • micro-structured optical fibers
  • industrial applications
  • biomedical sensing
  • smart and wearable sensors
  • optical fiber technology

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Published Papers (1 paper)

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Research

24 pages, 10773 KB  
Article
A Compact Dual-Oblique-Fiber Heterodyne Phase-Shifting Point Diffraction Interferometer
by Yongjie Wang, Conghui Zhu and Wenxi Zhang
Sensors 2026, 26(11), 3452; https://doi.org/10.3390/s26113452 - 29 May 2026
Abstract
Point diffraction interferometers (PDIs) utilize a near-ideal spherical wavefront generated by point diffraction as the reference, providing a high-quality measurement benchmark independent of reference surface quality. In this work, a compact dual-oblique-fiber heterodyne phase-shifting point diffraction interferometer (DOF-HPSPDI) is proposed. A dual-oblique-fiber point [...] Read more.
Point diffraction interferometers (PDIs) utilize a near-ideal spherical wavefront generated by point diffraction as the reference, providing a high-quality measurement benchmark independent of reference surface quality. In this work, a compact dual-oblique-fiber heterodyne phase-shifting point diffraction interferometer (DOF-HPSPDI) is proposed. A dual-oblique-fiber point diffraction wavefront generator (DOF-PDWG) is designed to generate the reference and measurement beams separately. The proposed configuration enables efficient utilization of the divergence of the fiber-generated diffracted wavefront, while the reflective structure at the fiber end faces allows the two beams to propagate along a common path. In addition, the close spacing between the two oblique fibers minimizes system errors. Heterodyne phase-shifting interferometry (HPSI) is employed to retrieve the wavefront phase from the interferograms. Theoretical system errors are analyzed through simulations, and experiments verify the feasibility and stability of the proposed system. This work provides a low-cost, compact, and highly stable point diffraction interferometer, offering a promising device for high-precision optical testing and sub-aperture stitching of large-aperture optical components. Full article
(This article belongs to the Special Issue Advanced Optical Fiber Sensors and Applications)
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