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Electronics
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Advances in Optical Fibers for Fiber Sensors
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Advances in Optical Fibers for Fiber Sensors

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

Deadline for manuscript submissions: 17 June 2024 | Viewed by 5495

Special Issue Editor

Dr. Hani J. Kbashi

E-Mail Website
Guest Editor
Aston Institute of Photonic Technologies, School of Engineering and Physical Sciences, Aston University, Birmingham B4 7ET, UK
Interests: fibre laser; optical sensor; optical communication; nonlinear optical fibre

Special Issue Information

Dear Colleagues,

Almost four decades have passed since the research on optical fiber sensors began in earnest. However, the demand for advances in optical fibers for fiber sensors has been increased over the last decade, benefiting from the rapidly growing optical fiber manufacturing and material engineering. Optical fibers continue to emerge with new technologies such as artificial intelligence and have been applied to several domains to measure strain, temperature, pressure, current, voltage, gases, chemical contaminants, rotation, vibration, acceleration, bending, torsion, displacement, and biomolecules.

This Special Issue is focused on advances in optical fibers for fiber sensors, and it will include novel research results regarding optical fiber technologies and materials for fiber sensors.

The topics of interest include, but are not limited to, the following:

  • Advances in optical fibers;
  • Fiber sensors;
  • Fiber Bragg grating;
  • Fiber laser sensing;
  • Optical fibers for smart cities;
  • Plastic fiber sensors;
  • Distributed fiber sensing;
  • Plasmonic optical fiber sensors;
  • Optical frequency comb sensing;
  • Dual-frequency comb sensing.

Dr. Hani J. Kbashi
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Electronics is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2400 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Published Papers (3 papers)

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Research

6 pages, 3452 KiB  
Article
Tunable Multiwavelength SOA-Based Fiber Laser
by Hani J. Kbashi, Vishal Sharma and Sergey V. Sergeyev
Electronics 2023, 12(15), 3277; https://doi.org/10.3390/electronics12153277 - 30 Jul 2023
Viewed by 976
Abstract
Tunable multiwavelength fiber lasers based on semiconductor optical amplifiers (SOA) have received attracting interest due to their wide prospective applications in dense division multiplexing (DWDM) systems and optical sensing. Using an SOA in a nonlinear optical loop mirror (NOLM), we demonstrate up to [...] Read more.
Tunable multiwavelength fiber lasers based on semiconductor optical amplifiers (SOA) have received attracting interest due to their wide prospective applications in dense division multiplexing (DWDM) systems and optical sensing. Using an SOA in a nonlinear optical loop mirror (NOLM), we demonstrate up to 13 lasing peaks by controlling the pump current and the polarization controller. At maximum pump current (450 mA), the emitted multiwavelength is between 1550 nm and 1572 nm with a wavelength spacing of 1.87 nm and 3 dB output linewidth of 0.8 nm with an output power of −7 dBm and 27 dB optical signal-to-noise ratio (OSNR). The multiwavelength output power and multiwavelength peak stability are investigated, and it was found that the power fluctuation of each multiwavelength line is less than 0.2 dB. In addition, by adjusting the polarization controllers (PCs) and SOA temperature, we obtained a tunable multiwavelength emission. The proposed fiber laser offers advantages such as simple structure, low loss, and long-time stable and multiwavelength emission. Full article
(This article belongs to the Special Issue Advances in Optical Fibers for Fiber Sensors)
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14 pages, 4664 KiB  
Article
In-Line Gas Sensor Based on the Optical Fiber Taper Technology with a Graphene Oxide Layer
by Karol Antoni Stasiewicz, Iwona Jakubowska, Joanna Moś, Rafał Kosturek and Krystian Kowiorski
Electronics 2023, 12(4), 830; https://doi.org/10.3390/electronics12040830 - 7 Feb 2023
Cited by 3 | Viewed by 1925
Abstract
This article investigates the possibilities of gas detection using a tapered optical fiber coated with a graphene oxide layer. Measurement is based on changes in light beam propagation depending on the process of gas absorption to the graphene oxide layer. In this paper, [...] Read more.
This article investigates the possibilities of gas detection using a tapered optical fiber coated with a graphene oxide layer. Measurement is based on changes in light beam propagation depending on the process of gas absorption to the graphene oxide layer. In this paper, we investigated the light change in a double-clad tapered optical fiber in a wide optical range. We present a special platform constructed for the deposition of additional functional materials that enable the preparation of the sensor module. Our results present differences in light transmission for three different kinds of gasses pure nitrogen, pure hydrogen, and a mixture of propane–butane. Measurements were provided in a wide range of 500 nm–1800 nm to find the most sensitive ages for which we are able to detect mentioned absorption and their interaction with light. Obtained results for pure gasses for which the refractive indices are similar to the air show the greatest changes for the visible range 750 nm–850 nm, and for propane–butane, changes are much visible in the whole investigated range. Full article
(This article belongs to the Special Issue Advances in Optical Fibers for Fiber Sensors)
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9 pages, 2328 KiB  
Article
Digital Programmable Metasurface with Element-Independent Visible-Light Sensing
by Xuqian Jiang, Fuju Ye, Hongrui Tan, Sisi Luo, Haoyang Cui and Lei Chen
Electronics 2023, 12(1), 241; https://doi.org/10.3390/electronics12010241 - 3 Jan 2023
Viewed by 2212
Abstract
The application of jointing multiple physical field sensing with electromagnetic (EM) wave manipulation is a hot research topic recently. Refined perception and unit-level independent regulation of metasurfaces still have certain challenges. In this paper, we propose a digital programmable metasurface that can adaptively [...] Read more.
The application of jointing multiple physical field sensing with electromagnetic (EM) wave manipulation is a hot research topic recently. Refined perception and unit-level independent regulation of metasurfaces still have certain challenges. In this paper, we propose a digital programmable metasurface that can adaptively achieve various EM functions by sensing the color changes of the incident light, which enables unit-level sensing and modulation. Integrating trichromatic sensors, FPGA, and algorithm onto the metasurface has established a metasurface architecture for electromagnetic scattering field modulation from complex optics to microwave wavelengths, which enables a wide variety of light sensing for modulation. The metasurface integrated with PIN diodes and trichromatic color sensors forms a complete intelligent system of adaptive and reconfigurable coding patterns, within the pre-designed control of FPGA. We fabricated the metasurface using standard printed circuit board (PCB) technology and measured the metasurface in far-fields. The measurement results show good agreement with the simulation results, verifying our design. We envision that the proposed programmable metasurface with visible light sensing will provide a new dimension of manipulation from this perspective. Full article
(This article belongs to the Special Issue Advances in Optical Fibers for Fiber Sensors)
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