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Applications of Optical Fiber Sensors: Monitoring and Measurement Systems

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

Deadline for manuscript submissions: closed (10 February 2023) | Viewed by 2272

Special Issue Editor


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Guest Editor
Key Laboratory of Advanced Transducers and Intelligent Control System, Ministry of Education and Shanxi Province, Taiyuan University of Technology, Taiyuan 030024, China
Interests: optical fiber sensors; photonic integration

Special Issue Information

Dear Colleagues,

In the past two decades, optical fiber sensing (OFS) technology has been widely applied in health monitoring technology, national security, and similar fields. Many efforts have been devoted to the development and improvement of novel fiber sensing technologies, such as distributed sensors, gratings sensors, micro/nano-structured sensors, and photonic crystal fiber sensors. Meanwhile, research on OFS technology has increasingly focused on further enhancing its quality and capacity in chemical, environmental, biological, and medical sensors, particularly those involved in security and defense.

This Special Issue provides an overview of recent advancements and achievements in the application of OFS monitoring and measurement systems, including novel sensing mechanisms or principles, current applications and benefits, avenues for future development, and so on.

Prof. Dr. Mingjiang Zhang
Guest Editor

Manuscript Submission Information

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Keywords

  • optical fiber sensor
  • applications of optical fiber sensors
  • novel sensing technologies
  • distributed fiber sensor
  • optical fibers
  • monitoring and measurement

Published Papers (1 paper)

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Research

12 pages, 5213 KiB  
Article
A Liquid Metal Temperature Detection System Based on Multi-Node Sapphire Fiber Sensor
by Gao Wang, Chengyuan Qian, Peng Sun, Zhiling Li, Guofeng Chen, Bingyin Wang, Hanchang Zhou and Junzhi Yu
Sensors 2023, 23(9), 4318; https://doi.org/10.3390/s23094318 - 27 Apr 2023
Viewed by 2030
Abstract
In order to accurately detect the temperature of molten aluminum and overcome the adverse influence of high temperature and corrosiveness on the sensing results, a temperature detection system based on a multi-node sapphire fiber sensor was proposed and developed. Through the structural parameter [...] Read more.
In order to accurately detect the temperature of molten aluminum and overcome the adverse influence of high temperature and corrosiveness on the sensing results, a temperature detection system based on a multi-node sapphire fiber sensor was proposed and developed. Through the structural parameter design of the fiber sensor, the scheme of utilizing the 0.7 mm diameter fiber and 0.5 mm groove was formulated. Simulation and analysis were carried out to determine the ultrasonic response distribution of the signal passing through the whole fiber sensor. The results indicate that the system is capable of distinguishing test signals from various positions and temperatures. Following the completion of the static calibration, the temperature of the molten aluminum was observed in real-time, and the data of the temperature measurements conducted at the two groove locations were compared. According to the obtained results, the test accuracy was greater than 1 degree Celsius and the temperature test stability was good, laying a solid foundation for the potential development of temperature measurement devices. Full article
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