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Novel Optical Fibers, Devices and Applications

A special issue of Materials (ISSN 1996-1944).

Deadline for manuscript submissions: closed (15 August 2019) | Viewed by 17638

Special Issue Editors

Institute of Electronic Structure and Laser (IESL), Foundation for Research and Technology- Hellas (FORTH), 100 N. Plastira Street, Vassilika Vouton, GR 70013 Heraklion, Crete, Greece
Interests: optical fiber sensors; optical fiber gratings; microstructured optical fibers; photonic devices
The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong, China
Interests: hollow core optical fibers; optical fiber sensors; optical fiber components and systems

Special Issue Information

Dear Colleagues,

Optical fiber technology has achieved major advances in the last few decades, and has revolutionized key application fields, including those of communications, sensing, and lighting. To a large extent, the progress can be attributed to the continuous research efforts and resulting accomplishments for the realization of improved, new, optical fibers. Starting with the endeavor, in the early days, to fabricate fibers with good guiding characteristics, and continuing with the abiding interest in the design and fabrication of specialty fibers targeting specific applications, new fibers are at the forefront of emerging innovations. The aim of this Special Issue is to feature recent advances in the field of novel fibers, their devices and applications, in terms of, but not limited to, fiber material and properties, design and fabrication, light localization structures, fiber surface functionalization through sensitive materials and transducing techniques, and components and sensing systems.

It is our pleasure to invite you to contribute original full research papers, short communications, and state-of-the-art reviews in this Special Issue.

Dr. Maria Konstantaki
Prof. Wei Jin
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. Materials 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 2600 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

  • Optical fiber materials and designs 
  • Optical fiber functionalizing processes
  • Optical fiber fabrication technologies
  • Microstructured and photonic-crystal fibers,
  • Micro and nano-fibers
  • Optical fiber sensors
  • Fiber optic components
  • Fiber amplifiers and lasers

Published Papers (4 papers)

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Research

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12 pages, 3282 KiB  
Article
Microspheres Formation in a Glass–Metal Hybrid Fiber System: Application in Optical Microwires
by Afroditi Petropoulou, Dimitris Drikakis and Christos Riziotis
Materials 2019, 12(12), 1969; https://doi.org/10.3390/ma12121969 - 19 Jun 2019
Cited by 1 | Viewed by 2251
Abstract
Multicomponent optical fibers with incorporated metals are promising photonic platforms for engineering of tailored plasmonic structures by laser micromachining or thermal processing. It has been observed that during thermal processing microfluidic phenomena lead to the formation of embedded micro- and nanostructures and spheres, [...] Read more.
Multicomponent optical fibers with incorporated metals are promising photonic platforms for engineering of tailored plasmonic structures by laser micromachining or thermal processing. It has been observed that during thermal processing microfluidic phenomena lead to the formation of embedded micro- and nanostructures and spheres, thus triggering the technological motivation for their theoretical investigation, especially in the practical case of noble metal/glass composites that have not yet been investigated. Implemented microwires of gold core and glass cladding, recently studied experimentally, are considered as a reference validation platform. The Plateau-Rayleigh instability in such hybrid fibers is theoretically investigated by inducing surface tension perturbations and by comparing them to the Tomotika instability theory. The continuous-core breakup time was calculated via Finite Element Method (FEM) simulations for different temperatures and was found to be considerably higher to Tomotika’s model, while the final sphere diameter is a linear function of the initial core radius. Different sinusoidal perturbation parameters were considered, showing significant impact in the characteristics of formed spherical features. The theoretical results were in close agreement with previous experimental observations expected to assist in the understanding of the processes involved, providing insight into the engineering of fibers, both in the initial drawing process and post processing. Full article
(This article belongs to the Special Issue Novel Optical Fibers, Devices and Applications)
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14 pages, 2387 KiB  
Article
An Ultrashort Wavelength Multi/Demultiplexer via Rectangular Liquid-Infiltrated Dual-Core Polymer Optical Fiber
by Qiang Xu, Kang Li, Nigel Copner and Shebao Lin
Materials 2019, 12(10), 1709; https://doi.org/10.3390/ma12101709 - 26 May 2019
Cited by 9 | Viewed by 2412
Abstract
We propose a rectangular liquid-infiltrated dual-core polymer optical fiber (POF) for short-range communication systems by the beam propagation method (BPM). The POF multi/demultiplexer (MUX/DEMUX) at the wavelengths of 0.52/0.65-μm, 0.57/0.65-μm, and 0.52/0.57-μm are devised. The simulation results demonstrate that the ultrashort length of [...] Read more.
We propose a rectangular liquid-infiltrated dual-core polymer optical fiber (POF) for short-range communication systems by the beam propagation method (BPM). The POF multi/demultiplexer (MUX/DEMUX) at the wavelengths of 0.52/0.65-μm, 0.57/0.65-μm, and 0.52/0.57-μm are devised. The simulation results demonstrate that the ultrashort length of three ultrashort POF couplers are 183.6 μm, 288 μm, and 799.5 μm. Compared with the conventional optical fiber couplers, these results could have significant applications in the miniaturization of optical devices for visible light communication. Full article
(This article belongs to the Special Issue Novel Optical Fibers, Devices and Applications)
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12 pages, 9037 KiB  
Article
On-line Writing of Fiber Bragg Grating Array on a Two-mode Optical Fiber for Sensing Applications
by Haihu Yu, Wenjing Gao, Xin Jiang, Huiyong Guo, Shan Jiang and Yu Zheng
Materials 2019, 12(8), 1263; https://doi.org/10.3390/ma12081263 - 17 Apr 2019
Cited by 4 | Viewed by 3019
Abstract
On-line fabricated fiber Bragg grating (FBG) array and its sensing potentials have attracted plenty of attention in recent years. In this paper, FBG arrays are written on-line on a two-mode fiber, and this two-mode fiber Bragg grating (TM-FBG) is further experimentally investigated for [...] Read more.
On-line fabricated fiber Bragg grating (FBG) array and its sensing potentials have attracted plenty of attention in recent years. In this paper, FBG arrays are written on-line on a two-mode fiber, and this two-mode fiber Bragg grating (TM-FBG) is further experimentally investigated for temperature and curvature sensing. The responses of this sensor were characterized by 11.2 pm/°C and −0.21 dB/m−1 for temperature and curvature, respectively. Based on the measurements, a dual-parameter fiber sensing system was developed, which can realize the quasi-distributed, simultaneous detection of temperature and curvature, making it suitable for structural health monitoring or perimeter security. Full article
(This article belongs to the Special Issue Novel Optical Fibers, Devices and Applications)
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Review

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15 pages, 6188 KiB  
Review
Wearable Fiber Optic Technology Based on Smart Textile: A Review
by Zidan Gong, Ziyang Xiang, Xia OuYang, Jun Zhang, Newman Lau, Jie Zhou and Chi Chiu Chan
Materials 2019, 12(20), 3311; https://doi.org/10.3390/ma12203311 - 11 Oct 2019
Cited by 77 | Viewed by 9356
Abstract
Emerging smart textiles have enriched a variety of wearable technologies, including fiber optic technology. Optic fibers are widely applied in communication, sensing, and healthcare, and smart textiles enable fiber optic technology to be worn close to soft and curved human body parts for [...] Read more.
Emerging smart textiles have enriched a variety of wearable technologies, including fiber optic technology. Optic fibers are widely applied in communication, sensing, and healthcare, and smart textiles enable fiber optic technology to be worn close to soft and curved human body parts for personalized functions. This review briefly introduces wearable fiber optic applications with various functions, including fashion and esthetics, vital signal monitoring, and disease treatment. The main working principles of side emission, wavelength modulation, and intensity modulation are summarized. In addition, textile fabrication techniques, including weaving and knitting, are discussed and illustrated as combination methods of embedding fiber optic technology into textile fabric. In conclusion, the combination of optical fibers and textiles has drawn considerable interest and developed rapidly. This work provides an overview of textile-based wearable fiber optic technology and discusses potential textile fabrication techniques for further improvement of wearable fiber optic applications. Full article
(This article belongs to the Special Issue Novel Optical Fibers, Devices and Applications)
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