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Fiber Bragg Grating Sensors and Optical-Fiber-based Sensing for Engineering Applications

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

Deadline for manuscript submissions: closed (29 February 2024) | Viewed by 1927

Special Issue Editors


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Guest Editor
Associate Professor, Research Institute for Geo-Hydrological Protection, Consiglio Nazionale delle Ricerche, 35127 Padova, Italy
Interests: fiber Bragg gratings; distributed optical fiber sensors
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Fiber Bragg gratings (FBG) have represented the most-applied fiber-optic sensor technologies for many decades. Their technological maturity, versatility, and reliability have been fundamental for their widespread use in many different engineering applications, including in mechanical, geotechnical, and biomedical fields, to mention a few.
This Special Issue broadly focuses on the engineering applications of FBG sensing technologies. Both regular and review papers will be considered, and the topics of interest include, but are not limited to, the following:

  • FBG-based mechanical and physical sensors;
  • FBG-based biomedical, chemical, and environmental sensors;
  • FBG sensing systems in field applications;
  • Applications of FBG technologies in engineering fields, such as structural health monitoring, shape sensing, smart industry, smart surgery, automation, composite materials, and acoustics.

Dr. Luca Schenato
Dr. Marco Pisco
Guest Editors

Manuscript Submission Information

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Keywords

  • optical fiber sensing
  • fiber bragg gratings
  • mechanical sensing
  • physical sensing
  • biomedical sensing
  • chemical sensing
  • engineering applications
  • oil and gas
  • structural health monitoring
  • shape sensing
  • novel FBG interrogation and demodulation schemes

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Published Papers (1 paper)

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Research

16 pages, 3218 KiB  
Article
Characterization of Temperature and Strain Changes in Lithium-Ion Batteries Based on a Hinged Differential Lever Sensitization Fiber Bragg Grating Strain–Temperature Simultaneous-Measurement Sensor
by Meng Li, Weigen Chen, Zhiwei Shen, Ziyi Wang, Zifeng Ming, Changding Wang, Haoyuan Tian, Tianyi Sang and Ruimin Song
Sensors 2024, 24(2), 412; https://doi.org/10.3390/s24020412 - 10 Jan 2024
Cited by 2 | Viewed by 1336
Abstract
Li-ion batteries are expected to become the mainstream devices for green energy storage or power supply in the future due to their advantages of high energy and power density and long cycle life. Monitoring the temperature and strain change characteristics of Li-ion batteries [...] Read more.
Li-ion batteries are expected to become the mainstream devices for green energy storage or power supply in the future due to their advantages of high energy and power density and long cycle life. Monitoring the temperature and strain change characteristics of Li-ion batteries during operation is conducive to judging their safety performance. The hinged differential lever sensitization structure was used for strain sensitization in the design of an FBG sensor, which also allowed the simultaneous measurement of strain and temperature. The temperature and strain variation characteristics on the surface of a Li-ion soft-packed battery were measured using the des.igned sensor. This report found that the charging and discharging processes of Li-ion batteries are both exothermic processes, and exothermic heat release is greater when discharging than when charging. The strain on the surface of Li-ion batteries depends on electrochemical changes and thermal expansion effects during the charge and discharge processes. The charging process showed an increasing strain, and the discharging process showed a decreasing strain. Thermal expansion was found to be the primary cause of strain at high rates. Full article
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