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Fibers
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Optical Fiber Sensors
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Optical Fiber Sensors

A special issue of Fibers (ISSN 2079-6439).

Deadline for manuscript submissions: closed (1 July 2017) | Viewed by 31275

Special Issue Editor

Dr. Torsten Frosch

E-Mail Website
Guest Editor
Biophotonics–Biomedical Engineering, Engineering Technical University Darmstadt, D-64283 Darmstadt, Germany
Interests: biophotonics; raman and infrared spectroscopy; biomedical engineering; chemical imaging; fiber sensing; gas analysis
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

This Special Issue focusses on recent innovations in the development of optical sensor fibers, including: micro- and nano-structured optical fibers (e.g., anti-resonant and photonic crystal structures); sensor fibers for new spectral regimes (e.g., for the ultraviolet and mid-IR spectral range); multi-core fibers and fiber arrays; and fibers with Bragg gratings and functionalization. Such specialized sensor fibers provide unique capabilities for the control and manipulation of guided light and the highly efficient interaction with analytes. Based on these developments, ultrasensitive, flexible and miniaturized fiber sensors open new opportunities in chemical, biological, environmental, medical and various other applications.

You are kindly invited to submit original articles or reviews of your work in the development and/or application of optical fiber sensors.

Dr. Torsten Frosch
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. Fibers is an international peer-reviewed open access monthly 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 2000 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

  • micro- and nano-structured optical fiber sensors
  • chemical, biological, environmental and medical fiber sensors
  • spectroscopic fiber sensors
  • evanescent field fiber sensors
  • photonic crystal fiber sensors
  • multi-core optical fiber sensors
  • fiber sensors for the ultraviolet spectral range
  • specialized fiber sensors with gratings or functionalization
  • innovative fabrication and drawing techniques of sensor fibers
  • sensor applications and field tests
  • sensor networks and distributed sensing

Published Papers (3 papers)

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Research

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2378 KiB  
Article
A Fiber Optic Fabry–Perot Cavity Sensor for the Probing of Oily Samples
by Vasileia Melissinaki, Maria Farsari and Stavros Pissadakis
Fibers 2017, 5(1), 1; https://doi.org/10.3390/fib5010001 - 03 Jan 2017
Cited by 10 | Viewed by 7631
Abstract
A micro-optical Fabry–Perot cavity fabricated by non-linear laser lithography on the endface of a standard telecom fiber is tested here as a microsensor for identifying oily liquids. The device operates within the 1550 nm spectral region, while the spectra recorded in reflection mode [...] Read more.
A micro-optical Fabry–Perot cavity fabricated by non-linear laser lithography on the endface of a standard telecom fiber is tested here as a microsensor for identifying oily liquids. The device operates within the 1550 nm spectral region, while the spectra recorded in reflection mode correlate to the refractive index of the oily liquids used, as well as, to the diffusion dynamics in the time domain of the oily samples inside the porous photo-polymerized sensing head. The operation of the microresonator sensing probe is explained by using a three-layer Fabry–Perot model and basic diffusion physics to estimate diffusivities for three series of refractive index matching oils with different chemical compositions that had been used in those experiments. The distinct spectro-temporal response of this sensing probe to the different oil samples is demonstrated and discussed. Full article
(This article belongs to the Special Issue Optical Fiber Sensors)
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7530 KiB  
Article
Development of Touch Probing System Using a Fiber Stylus
by Hiroshi Murakami, Akio Katsuki and Takao Sajima
Fibers 2016, 4(3), 24; https://doi.org/10.3390/fib4030024 - 11 Aug 2016
Cited by 5 | Viewed by 7965
Abstract
This paper presents a system that can be used for micro-hole measurement; the system comprises an optical fiber stylus that is 5 µm in diameter. The stylus deflects when it comes into contact with the measured surface; this deflection is measured optically. In [...] Read more.
This paper presents a system that can be used for micro-hole measurement; the system comprises an optical fiber stylus that is 5 µm in diameter. The stylus deflects when it comes into contact with the measured surface; this deflection is measured optically. In this study, the design parameters of the optical system are determined using a ray-tracing method, and a prototype of the probing system is fabricated to verify ray-tracing simulation results; furthermore, the performance of the system is evaluated experimentally. The results show that the design parameters of this system can be determined using ray-tracing; the resolution of the measurement system using this shaft was approximately 3 nm, and the practicality of this system was confirmed by measuring the shape of a micro-hole 100 µm in diameter and 475 µm in depth. Full article
(This article belongs to the Special Issue Optical Fiber Sensors)
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Review

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7845 KiB  
Review
Recent Developments in Micro-Structured Fiber Optic Sensors
by Yanping Xu, Ping Lu, Liang Chen and Xiaoyi Bao
Fibers 2017, 5(1), 3; https://doi.org/10.3390/fib5010003 - 10 Jan 2017
Cited by 54 | Viewed by 15027
Abstract
Recent developments in fiber-optic sensing have involved booming research in the design and manufacturing of novel micro-structured optical fiber devices. From the conventional tapered fiber architectures to the novel micro-machined devices by advanced laser systems, thousands of micro-structured fiber-optic sensors have been proposed [...] Read more.
Recent developments in fiber-optic sensing have involved booming research in the design and manufacturing of novel micro-structured optical fiber devices. From the conventional tapered fiber architectures to the novel micro-machined devices by advanced laser systems, thousands of micro-structured fiber-optic sensors have been proposed and fabricated for applications in measuring temperature, strain, refractive index (RI), electric current, displacement, bending, acceleration, force, rotation, acoustic, and magnetic field. The renowned and unparalleled merits of sensors-based micro-machined optical fibers including small footprint, light weight, immunity to electromagnetic interferences, durability to harsh environment, capability of remote control, and flexibility of directly embedding into the structured system have placed them in highly demand for practical use in diverse industries. With the rapid advancement in micro-technology, micro-structured fiber sensors have benefitted from the trends of possessing high performance, versatilities and spatial miniaturization. Here, we comprehensively review the recent progress in the micro-structured fiber-optic sensors with a variety of architectures regarding their fabrications, waveguide properties and sensing applications. Full article
(This article belongs to the Special Issue Optical Fiber Sensors)
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