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Applied Sciences
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Recent Trends in Fiber Optic Sensor: Technology and Applications
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Recent Trends in Fiber Optic Sensor: Technology and Applications

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

Deadline for manuscript submissions: 30 March 2025 | Viewed by 3845

Special Issue Editors

Prof. Dr. Jorge Luis Camas-Anzueto

E-Mail Website
Guest Editor
TecNM/IT Tuxtla Gutiérrez, Carretera Panamericana Km. 1080, Tuxtla Gutiérrez CP 29050, Chiapas, Mexico
Interests: fiber optic sensor; optical metrology; optoelectronics; photonics; optical materials
Prof. Dr. Rubén Grajales Coutiño

E-Mail Website
Guest Editor
Optomechatronics Group, Tecnológico Nacional de México Campus Tuxtla Gutiérrez, Carretera Panamericana Km 1080, Tuxtla Gutiérrez 29050, Mexico
Interests: fiber optic sensor; optical metrology; fiber-optic interferometric; optoelectronics; fiber lasers
Dr. Rocío Meza-Gordillo

E-Mail Website
Guest Editor
Departamento de Ingeniería Química y Bioquímica, Tecnológico Nacional de México/IT Tuxtla Gutiérrez, Carretera Panamericana Km 1080, Tuxtla Gutiérrez 29050, Mexico
Interests: photochemistry; spectroscopy; organic chemical; sensitive optical material

Special Issue Information

Dear Colleagues,

Presently, remote monitoring systems are vital for the tracking of variations of specific parameters, whether physical, chemical, or biological. These remote systems must be reliable in data acquisition, and fiber optic sensors offer high reliability, better sensitivity, a wide dynamic range, and versatile applications across all engineering fields. Following this, we invite you to contribute manuscripts to this Special Issue, sharing essential results from your research on optical fiber sensors applied to various areas of engineering. Full papers, communications, and reviews are welcome.

This Special Issue aims to highlight the progress made regarding fiber optic sensors by investigating new configurations and methods for measuring parameters that need continuous monitoring across various engineering disciplines.

All manuscripts of fiber optic sensors with novel measurement methods that use intensity, phase, polarization, wavelength changes, and time domain reflectometry are welcome. In addition, we welcome research in areas of civil engineering (structure health monitoring), chemistry, physics, environment, biology, medicine, marine sciences, aeronautics, mechanics, electricity, industry, and so on.

The Special Issue will focus on the following fiber optic sensor topics:

  • Chromic Materials for intrinsic fiber sensor: thermochromic, gasochromic, electrochromic, ionochormic, photochromic, solvatochromic, vapochromic, mechanochromic, and so on;
  • Sensors based on colorimetry, evanescent waves, and infrared spectroscopies;
  • Plasmonic-based sensors;
  • Interferometers and polarimetric configurations;
  • Fiber Bragg gratings;
  • Distributed systems based on Rayleigh, Raman, and Brillouin scattering;
  • Intensity sensors;
  • Structured fiber sensors;
  • Fiber laser sensors;
  • Vernier effect.

Prof. Dr. Jorge Luis Camas-Anzueto
Prof. Dr. Rubén Grajales Coutiño
Dr. Rocío Meza-Gordillo
Guest Editors

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. Applied Sciences 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.

Keywords

  • chromic material for sensing
  • optical fiber sensors
  • physical and chemical sensors
  • biological sensors
  • interferometric sensors
  • resonance-based sensors
  • fiber gratings sensors
  • colorimetric sensors
  • fluorescence
  • microstructured fibers
  • nanostructured coatings
  • fiber laser sensor
  • vernier effect

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Published Papers (3 papers)

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Research

16 pages, 16410 KiB  
Article
A Tunable and Switchable Multi-Wavelength Erbium-Doped Fiber Ring Laser Enabled by Adjusting the Spectral Fringe Visibility of a Mach-Zehnder Fiber Interferometer
by Romeo Emmanuel Nuñez Gomez, Gilberto Anzueto Sánchez, Alejando Martínez Ríos, Ariel Fong González, Alfredo Olarte Paredes, Areli Marlen Salgado Delgado, Jesús Castrellón Uribe and René Salgado Delgado
Appl. Sci. 2024, 14(21), 9846; https://doi.org/10.3390/app14219846 - 28 Oct 2024
Viewed by 902
Abstract
This paper presents a tunable, switchable multi-wavelength emission from an erbium-doped fiber ring laser, enabled by adjusting the spectral fringe visibility of a fiber interferometer filter. The filter is formed with specially designed concatenated tapered fibers to configure a Mach-Zehnder fiber interferometer (MZFI). [...] Read more.
This paper presents a tunable, switchable multi-wavelength emission from an erbium-doped fiber ring laser, enabled by adjusting the spectral fringe visibility of a fiber interferometer filter. The filter is formed with specially designed concatenated tapered fibers to configure a Mach-Zehnder fiber interferometer (MZFI). The laser emission is highly flexible and reconfigurable, allowing for tuning between single- and dual-wavelength operation. The laser can switch sequentially from one up to six wavelengths by fixing the curvature and adjusting the polarization state. The lasing emission is generated over a stable wavelength range between 1559.59 nm and 1563.54 nm, exhibiting an optical signal-to-noise ratio (OSNR) exceeding ~35 dB. The performance of amplitude and wavelength fluctuations were evaluated, indicating an appropriate stability of ~3 dB and a shift less than 0.1 nm within a 45 min period at room temperature. A detailed comparison with the literature is given. Full article
(This article belongs to the Special Issue Recent Trends in Fiber Optic Sensor: Technology and Applications)
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18 pages, 7980 KiB  
Article
High-Sensitivity Displacement Sensor Using Few-Mode Optical Fibers and the Optical Vernier Effect
by Luis E. Guillen-Ruiz, Gilberto Anzueto-Sánchez, Alejandro Martínez-Rios, Myriam C. Jiménez-Mares and Javier A. Martin-Vela
Appl. Sci. 2024, 14(20), 9300; https://doi.org/10.3390/app14209300 - 12 Oct 2024
Viewed by 2026
Abstract
This paper presents a displacement sensor designed to achieve the Optical Vernier Effect (OVE) through a simple yet robust configuration, enhancing sensitivity and precision in small displacement measurements. The sensor structure comprises a few-mode fiber (FMF) placed between two single-mode fibers (SMF) in [...] Read more.
This paper presents a displacement sensor designed to achieve the Optical Vernier Effect (OVE) through a simple yet robust configuration, enhancing sensitivity and precision in small displacement measurements. The sensor structure comprises a few-mode fiber (FMF) placed between two single-mode fibers (SMF) in an SMF-FMF-SMF (SFS) configuration. A series of distinct configurations of concatenated Mach–Zehnder fiber interferometers (MZFI) were examined, with the lengths of the reference FMF (FMFRef) and sensing FMF (FMFSen) adjusted to track the spectral envelope shifts. The results demonstrate that the direction of the spectral shift is governed by the ratio between the FMFRef and FMFSen lengths. The sensor achieved a sensitivity of up to 39.07 nm/mm and a magnification factor (M factor) of up to 50.09, demonstrating exceptional precision and adaptability across a range of applications. The proposed configuration also enhances the overall sensor performance, highlighting its potential for broader use in fields requiring precise displacement monitoring. Full article
(This article belongs to the Special Issue Recent Trends in Fiber Optic Sensor: Technology and Applications)
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11 pages, 3848 KiB  
Article
Region-Selective Corrosion for the Fabrication of Tilted Microfiber Bragg Gratings: A Candidate for the Monitoring of Buildings’ Health
by Yufei Que and Jin Li
Appl. Sci. 2024, 14(11), 4707; https://doi.org/10.3390/app14114707 - 30 May 2024
Viewed by 566
Abstract
Optical fiber gratings can be appropriately packaged and integrated for the real-time monitoring of the structural health of buildings or composite-material films. In this work, a tilted fiber Bragg grating at the micron scale was proposed, designed, and optimized via simulation model analysis [...] Read more.
Optical fiber gratings can be appropriately packaged and integrated for the real-time monitoring of the structural health of buildings or composite-material films. In this work, a tilted fiber Bragg grating at the micron scale was proposed, designed, and optimized via simulation model analysis using OptiFDTD software. The effects of the grating inclination, grating period, and grating length on the transmission spectrum of the tilted microfiber Bragg grating (TMFBG) were studied. The transmission spectrum’s responses to different refractive indices were simulated and compared. A TFBG was uniformly etched with hydrofluoric acid based on the chemical etching method, and several TMFBGs with different diameters were prepared. The refractive index-sensing characteristics of the TMFBGs with different structures were studied. It was found that the sensitivity of the etched TFBG was greatly improved from 0.964 nm/RIU to 6.368 nm/RIU for the higher-order cladding mode, and from 0.294 nm/RIU to 2.353 nm/RIU for the lower-order cladding mode, being approximately six times and eight times higher, respectively. Full article
(This article belongs to the Special Issue Recent Trends in Fiber Optic Sensor: Technology and Applications)
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