Fiber Optic Sensors and Application

A special issue of Electronics (ISSN 2079-9292). This special issue belongs to the section "Optoelectronics".

Deadline for manuscript submissions: closed (30 May 2022) | Viewed by 2333

Special Issue Editor


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Guest Editor
Institute for Infocomm Research, A*STAR, Singapore 138632, Singapore
Interests: fiber optic sensors and applications; sensor packaging; structural health monitoring; predictive maintenance; system integration
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Fiber optic sensing technology has been around for many years but over the last decade has been adopted in an ever-increasing manner. Different types of fiber-optic sensors based on glass or polymeric fibers are used to evaluate material behavior or to monitor the integrity and long-term stability of load-bearing structural components. Fiber-optic sensors have been established as a new and innovative measurement technology in different fields for sensing strain, pressure, vibration, deformation, angle, shape, temperature and PH values etc. This special issue invites real world applications addressed by specific sensing modalities, being distributed fiber sensors, fiber Bragg grating sensors, interferometric sensors, or any novel fiber optic sensors, to gather the data by using the transmission, reflection & scattering properties of fiber as it reacts to local forces (eg: Rayleigh, Raman & Brillouin scattering). Each method is chosen to best serve an application based on the distance, accuracy/resolution, and speed of measurement required. This Special Issue welcomes contributions from all aspects of the recent research and development related to fiber optic sensors and a wide spectrum of applications that include, but not limited to:

  • Security
  • Maritimes
  • Aerospace
  • Material science
  • Civil engineering
  • Lightweight structures
  • Geotechnical areas
  • Chemical
  • High-voltage substations

Dr. Jianzhong Hao
Guest Editor

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Keywords

  • fiber optic sensors and applications
  • sensor packaging
  • biophotonics
  • system integration

Published Papers (1 paper)

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Research

9 pages, 1416 KiB  
Article
Quasi-Distributed Magnetic Field Fiber Sensors Integrated with Magnetostrictive Rod in OFDR System
by Ruoqi Sun, Liang Zhang, Heming Wei, Yunzhe Gu, Fufei Pang, Huanhuan Liu and Tingyun Wang
Electronics 2022, 11(7), 1013; https://doi.org/10.3390/electronics11071013 - 24 Mar 2022
Cited by 6 | Viewed by 1768
Abstract
We have proposed and designed a fiber-optic magnetic field sensors based on magnetostriction, of which the magnetostrictive induced strain of magnetostrictive rod attached to an optical fiber can be measured by optical frequency-domain reflectometry (OFDR). By analyzing the stress transfer process at the [...] Read more.
We have proposed and designed a fiber-optic magnetic field sensors based on magnetostriction, of which the magnetostrictive induced strain of magnetostrictive rod attached to an optical fiber can be measured by optical frequency-domain reflectometry (OFDR). By analyzing the stress transfer process at the interface between the magnetostrictive rod and the sensing optical fiber, we find that the sensor sensitivity is mainly related to the magnetostrictive material and bond width. The experimental results show the sensor performance under different magnetostrictive rods and radiuses. The sensitivity of the Fe-Ga-based sensor is up to 5.05 με/mT, while the sensitivity of the Tb-Dy-Fe-based sensor is up to 3.42 με/mT. The proposed sensor can easily construct a sensor network for quasi-distributed fiber-optic magnetic field sensing, which can be used to monitor magnetic fields at more than one point. Full article
(This article belongs to the Special Issue Fiber Optic Sensors and Application)
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