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Frontiers in Optical Fiber Sensors

A special issue of Applied Sciences (ISSN 2076-3417). This special issue belongs to the section "Optics and Lasers".

Deadline for manuscript submissions: closed (30 March 2022) | Viewed by 3253

Special Issue Editor


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Guest Editor
CoSys Department, Université Gustave EiffelCité Descartes, 5 Boulevard Descartes, Champs-sur-Marne, 77454 Marne-la-Vallée, CEDEX 2, France
Interests: optical fiber sensors; microwave photonics

Special Issue Information

Dear Colleagues,

Sensing solutions for the 21st century should meet increased mandatory requirements like multi-parametrs sensing, low cost, low power consumption, easy-to-use technologies, DATA collection in real time, and reliable measurement information.

Optical fiber sensors-based technology is a promising solution with its accelerated evolution from the simplest configurations for strain, temperature, vibration detection and electrical current measurement to complex structures that combine many diverse materials and detection schemas to create a smart sensing lab-on-fiber platforme.

This Special Issue will focus on the latest developments, new applications, and trends in optical fiber sensors.

Topics of interests include, but are not limited to the following:

-Fiber Bragg Gratings (FBGs): Modeling and simulation, Fabrication, Multiparameters sensing, dynamic and quasistatic measurements, Applications in civil and geotechnical engineering, and biological and living systems.

-Distrubuted optical fiber sensors (DOFSs) based on Rayleigh, Brillouin and Raman scattering for strain, vibrations and temperature measurement: Modeling and simulation, Multiparameters sensing, dynamic and quasistatic measurements, civil engineering applications, geotechnical engineering applications, automotive applications and Harsh environment applications.

-Lab-on-fiber for Chemical and Biological Sensing: Nanophotonics, Plasmonics, and Biosensing.

-New designs and construction of optical fiber sensors: Material developments for optical fiber sensors, components, and systems for optical sensing.

-Innovative approaches for optoelectronic transducers

The latest applications and technological developments in the fild of optical fiber sensors will be shared through this special issue. We invite researchers and investigators to contribute their original research or review articles to this Special Issue.

Prof. Dr. Aghiad KHADOUR
Guest Editor

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Keywords

  • Grating-based fiber sensors 
  • Distrubuted Optical Fiber Sensors 
  • Integration of optical sensors with smart materials 
  • Modeling and simulation of optical fiber sensors 
  • Micro and nanofabrication techniques for sensing applications 
  • Microwave photonics interrogation techniques 
  • Optical Fiber Sensing applications

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Published Papers (1 paper)

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Research

12 pages, 4556 KiB  
Article
Enhancing Detection Performance of the Phase-Sensitive OTDR Based Distributed Vibration Sensor Using Weighted Singular Value Decomposition
by Khurram Naeem, Bok Hyeon Kim, Dong-Jin Yoon and Il-Bum Kwon
Appl. Sci. 2021, 11(4), 1928; https://doi.org/10.3390/app11041928 - 22 Feb 2021
Cited by 13 | Viewed by 2559
Abstract
We propose a weighted singular value decomposition (WSVD) to reduce the random noise in the Rayleigh backscattering signal of the phase-sensitive optical time domain reflectometry (Φ-OTDR) to enhance the detection performance of the distributed vibration sensing. A 2D image is formed by assembling [...] Read more.
We propose a weighted singular value decomposition (WSVD) to reduce the random noise in the Rayleigh backscattering signal of the phase-sensitive optical time domain reflectometry (Φ-OTDR) to enhance the detection performance of the distributed vibration sensing. A 2D image is formed by assembling the raw Rayleigh backscattering traces into a matrix form, and slowly varying fluctuation and random noise can be removed using the WSVD. Consequently, the location information and the frequency of vibration induced by the external vibration event can be extracted. A vibration event with 9 m spatial resolution is detected along a 2.4 km single mode fiber. The signal-to-noise ratio (SNR) of location information for the 102 Hz physical vibration and the 525 Hz acoustic vibration was found to be 10.7 and 12.2 dB, respectively. The SNR of the vibration events demonstrate an increase of 6–7 dB compared to the conventional method, showing the excellent denoising capability of this new approach. Full article
(This article belongs to the Special Issue Frontiers in Optical Fiber Sensors)
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