F-P cavity; fiber optic sensor; UV glue; Vernier effect; F-P cavities; Fabry-Perot; Fabry-Perot cavity; Fiber Sensor; Fibre-optic sensor; Forces measurements; Silica fibers; Temperature and force; Electronic, Optical and Magnetic Materials; Condensed Matter Physics; Computer Science Applications; Applied Mathematics; Electrical and Electronic Engineering
Abstract :
[en] In this work, we introduce a new concept for an in-line optical fiber temperature and force sensor, which are based on two cascaded Fabry-Perot cavities and the Vernier effect. The sensing cavity is composed of the UV glue, while the reference cavity is composed of the silica fiber. Due to the high thermo-optic coefficient and low Young's modulus of the UV glue in the sensing cavity, this sensor can be used for temperature and force measurements. The obtained temperature and force sensitivity are 8.0 nm/℃ and ‒5.44×104 nm/N, respectively.
Disciplines :
Materials science & engineering
Author, co-author :
Hu, Xuehao ; Université de Mons - UMONS > Recherche > Service ERC Unit - Advanced Photonic
Fu, Hongyu; Research Center for Advanced Optics and Photoelectronics, Department of Physics, College of Science, Shantou University, Shantou, China
Li, Pengcheng; Research Center for Advanced Optics and Photoelectronics, Department of Physics, College of Science, Shantou University, Shantou, China
Qu, Hang; Research Center for Advanced Optics and Photoelectronics, Department of Physics, College of Science, Shantou University, Shantou, China
Caucheteur, Christophe ; Université de Mons - UMONS > Faculté Polytechnique > Service d'Electromagnétisme et Télécommunications
Speaker :
Loyez, Médéric; Department of Electromagnetism and Telecommunication, University of Mons, Mons, Belgium
Language :
English
Title :
UV-glue-assisted cascaded Fabry-Perot fiber sensor for temperature and force measurement
Publication date :
2024
Event name :
Optical Sensing and Detection VIII
Event place :
Strasbourg, Fra
Event date :
07-04-2024 => 11-04-2024
Main work title :
Optical Sensing and Detection VIII
Editor :
Berghmans, Francis
Publisher :
SPIE
ISBN/EAN :
978-1-5106-7316-8
Peer reviewed :
Peer reviewed
Research unit :
F108 - Electromagnétisme et Télécommunications
Research institute :
Research Institute for Materials Science and Engineering
Funders :
The Society of Photo-Optical Instrumentation Engineers (SPIE)
Funding text :
The Fonds de la Recherche Scientifique (F.R.S.-FNRS) under the Postdoctoral Researcher grants (Charg\u00E9 de Recherches) of Xuehao Hu and M\u00E9d\u00E9ric Loyez and the Senior Research Associate Position of Christophe Caucheteur.
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