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Recent Progress in Industrial Sensors Based on Optical Fiber Technologies
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Recent Progress in Industrial Sensors Based on Optical Fiber Technologies

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

Deadline for manuscript submissions: 25 January 2025 | Viewed by 9690

Special Issue Editors

Dr. Wei Zhang

E-Mail Website
Guest Editor
School of Optoelectronic Engineering, Qilu University of Technology (Shandong Academy of Science), Jinan 250353, China
Interests: fiber grating technology; fiber laser; microwave photonics; optical signal processing; sensor technology; advanced manufacturing and measurement
Special Issues, Collections and Topics in MDPI journals
Dr. Jiasheng Ni

E-Mail Website
Guest Editor
Laser Institute, Shandong Academy of Science, Jinan 250104, China
Interests: optical fiber lasers; optical fiber sensing technology; optical measurement technology; sensors and Internet of Things

Special Issue Information

Dear Colleagues,

The use of optical fiber for sensing predates its application in communication networks. Optical fiber sensor (OFS) technology has been under development for the past several decades, resulting in the production of a wide range of devices. Sensing applications have been solved in the industrial factory environment by exploiting the dielectric properties of the fiber in hazardous environments and electrically noisy areas. In addition, these sensors are compatible with communications systems, and have the capacity to carry out remote sensing and network sensing. The number of new or enhanced applications of sophisticated optical-fiber-based sensor systems are continuing to appear.

This Special Issue aims to gather these developments. Submissions may address any optical fiber sensing technology. Novel interrogation techniques, schemes, designs, and materials remain relevant research topics. Both original research papers and review papers are welcome. Technical topics include but are not limited to the following:

  • Sensors in specialty optical fibers;
  • Advanced optical-fiber-based mechanical and physical sensors;
  • Advanced optical-fiber-based biomedical, chemical and environmental sensors;
  • Optical fiber sensing networks;
  • OFS systems in harsh environments;
  • Specialized applications of OFSs in oil and gas industry, electric power systems, aerospace missions, transport, civil infrastructure and other areas;
  • Integration and packaging of OFSs;
  • Standardization efforts of OFSs for different industries and applications.

Dr. Wei Zhang
Dr. Jiasheng Ni
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. 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.

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Published Papers (3 papers)

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Research

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13 pages, 6276 KiB  
Article
The Highly Sensitive Refractive Index Sensing of Seawater Based on a Large Lateral Offset Mach–Zehnder Interferometer
by Jingwen Zhou, Yue Sun, Haodong Liu, Haibin Li, Yuye Wang, Junfeng Jiang, Degang Xu and Jianquan Yao
Sensors 2024, 24(12), 3887; https://doi.org/10.3390/s24123887 - 15 Jun 2024
Viewed by 883
Abstract
A novel fiber sensor for the refractive index sensing of seawater based on a Mach–Zehnder interferometer has been demonstrated. The sensor consisted of a single-mode fiber (SMF)–no-core fiber (NCF)–single-mode fiber structure (shortened to an SNS structure) with a large lateral offset spliced between [...] Read more.
A novel fiber sensor for the refractive index sensing of seawater based on a Mach–Zehnder interferometer has been demonstrated. The sensor consisted of a single-mode fiber (SMF)–no-core fiber (NCF)–single-mode fiber structure (shortened to an SNS structure) with a large lateral offset spliced between the two sections of a multimode fiber (MMF). Optimization studies of the multimode fiber length, offset SNS length, and vertical axial offset distance were performed to improve the coupling efficiency of interference light and achieve the best extinction ratio. In the experiment, a large lateral offset sensor was prepared to detect the refractive index of various ratios of saltwater, which were used to simulate seawater environments. The sensor’s sensitivity was up to −13,703.63 nm/RIU and −13,160 nm/RIU in the refractive index range of 1.3370 to 1.3410 based on the shift of the interference spectrum. Moreover, the sensor showed a good linear response and high stability, with an RSD of only 0.0089% for the trough of the interference in air over 1 h. Full article
(This article belongs to the Special Issue Recent Progress in Industrial Sensors Based on Optical Fiber Technologies)
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14 pages, 3967 KiB  
Article
Detection of Gas Pipeline Leakage Using Distributed Optical Fiber Sensors: Multi-Physics Analysis of Leakage-Fiber Coupling Mechanism in Soil Environment
by Shuyu Zhang, Shangran Xie, Yuanzhi Li, Mengqi Yuan and Xinming Qian
Sensors 2023, 23(12), 5430; https://doi.org/10.3390/s23125430 - 8 Jun 2023
Cited by 4 | Viewed by 3530
Abstract
Optical fiber sensors are newly established gas pipeline leakage monitoring technologies with advantages, including high detection sensitivity to weak leaks and suitability for harsh environments. This work presents a systematic numerical study on the multi-physics propagation and coupling process of the leakage-included stress [...] Read more.
Optical fiber sensors are newly established gas pipeline leakage monitoring technologies with advantages, including high detection sensitivity to weak leaks and suitability for harsh environments. This work presents a systematic numerical study on the multi-physics propagation and coupling process of the leakage-included stress wave to the fiber under test (FUT) through the soil layer. The results indicate that the transmitted pressure amplitude (hence the axial stress acted on FUT) and the frequency response of the transient strain signal strongly depends on the types of soil. Furthermore, it is found that soil with a higher viscous resistance is more favorable to the propagation of spherical stress waves, allowing FUT to be installed at a longer distance from the pipeline, given the sensor detection limit. By setting the detection limit of the distributed acoustic sensor to 1 nε, the feasible range between FUT and the pipeline for clay, loamy soil and silty sand is numerically determined. The gas-leakage-included temperature variation by the Joule-Thomson effect is also analyzed. Results provide a quantitative criterion on the installation condition of distributed fiber sensors buried in soil for the great-demanding gas pipeline leakage monitoring applications. Full article
(This article belongs to the Special Issue Recent Progress in Industrial Sensors Based on Optical Fiber Technologies)
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Review

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18 pages, 2684 KiB  
Review
Recent Progress in Lithium-Ion Battery Safety Monitoring Based on Fiber Bragg Grating Sensors
by Dongying Chen, Qiang Zhao, Yi Zheng, Yuzhe Xu, Yonghua Chen, Jiasheng Ni and Yong Zhao
Sensors 2023, 23(12), 5609; https://doi.org/10.3390/s23125609 - 15 Jun 2023
Cited by 15 | Viewed by 4113
Abstract
Lithium-ion batteries are widely used in a variety of fields due to their high energy density, high power density, long service life, and environmental friendliness. However, safety accidents with lithium-ion batteries occur frequently. The real-time safety monitoring of lithium-ion batteries is particularly important [...] Read more.
Lithium-ion batteries are widely used in a variety of fields due to their high energy density, high power density, long service life, and environmental friendliness. However, safety accidents with lithium-ion batteries occur frequently. The real-time safety monitoring of lithium-ion batteries is particularly important during their use. The fiber Bragg grating (FBG) sensors have some additional advantages over conventional electrochemical sensors, such as low invasiveness, electromagnetic anti-interference, and insulating properties. This paper reviews lithium-ion battery safety monitoring based on FBG sensors. The principles and sensing performance of FBG sensors are described. The single-parameter monitoring and dual-parameter monitoring of lithium-ion batteries based on FBG sensors are reviewed. The current application state of the monitored data in lithium-ion batteries is summarized. We also present a brief overview of the recent developments in FBG sensors used in lithium-ion batteries. Finally, we discuss future trends in lithium-ion battery safety monitoring based on FBG sensors. Full article
(This article belongs to the Special Issue Recent Progress in Industrial Sensors Based on Optical Fiber Technologies)
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