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Fiber Optic Sensors for Biological, Chemical, Acoustic, and Magnetic Field Sensing

A special issue of Sensors (ISSN 1424-8220). This special issue belongs to the section "Chemical Sensors".

Deadline for manuscript submissions: closed (31 January 2022) | Viewed by 2686

Special Issue Editors

Prof. Dr. Gary R. Pickrell

E-Mail Website
Guest Editor
Materials Science and Engineering Department; Rolls Royce Commonwealth Director of Surface Engineering, Commonwealth Center for Advanced Manufacturing; Director, NanoBioMaterials Laboratory; Associate Director, Center for Photonics Technology, Electrical and Computer, Engineering Department, Virginia Tech, Blacksburg, VA 24061, USA
Interests: sensors; optical properties of materials; optical fiber design and fabrication; glass manufacturing science; experimental design training and implementation; plasma spray processing
Special Issues, Collections and Topics in MDPI journals
Dr. Brian Risch

E-Mail Website
Guest Editor
Prysmian Group; Claremont, NC 28630, USA
Interests: optical fiber sensing; harsh environment optical fibers; optical fiber special applications; optical fiber reliability
Special Issues, Collections and Topics in MDPI journals
Dr. Daniel Homa

E-Mail Website
Guest Editor
Materials Science and Engineering Department, Center for Photonics Technology, Virginia Tech, Blacksburg, VA 24061, USA
Interests: optical fiber sensing; harsh environment optical fibers; optical fiber fabrication
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

This Special Issue of the journal Sensors entitled “Fiber-Optic Sensors for Biological, Chemical, Acoustic, and Magnetic Field Sensing” will focus on all aspects of research and development related to these areas. Papers which focus on the design and experimental verification of these sensors as well as papers which focus on the results of sensor field testing in these areas are welcome. It is the goal of this Special Issue to provide a broad platform for publishing the many rapid advances which are currently being achieved in the area of photonic sensor technology. It is envisioned that by providing this Special Issue and allowing sufficient breadth in the submissions accepted, similarities across market segments may be realized by researchers in these different application areas, PROVIDING as such synergistic comparisons which may enhance the overall photonic sensor efforts which are rapidly advancing throughout the world at present.

Prof. Dr. Gary Pickrell
Dr. Brian Risch
Dr. Daniel Homa
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. Sensors 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 sensors
  • Magnetic sensors
  • Acoustic sensors
  • Chemical sensors
  • Biological sensors

Published Papers (1 paper)

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Research

12 pages, 5274 KiB  
Article
Distributed Acoustic Sensing Based on Coherent Microwave Photonics Interferometry
by Liwei Hua, Xuran Zhu, Baokai Cheng, Yang Song, Qi Zhang, Yongji Wu, Lawrence C. Murdoch, Erin R. Dauson, Carly M. Donahue and Hai Xiao
Sensors 2021, 21(20), 6784; https://0-doi-org.brum.beds.ac.uk/10.3390/s21206784 - 13 Oct 2021
Cited by 5 | Viewed by 2202
Abstract
A microwave photonics method has been developed for measuring distributed acoustic signals. This method uses microwave-modulated low coherence light as a probe to interrogate distributed in-fiber interferometers, which are used to measure acoustic-induced strain. By sweeping the microwave frequency at a constant rate, [...] Read more.
A microwave photonics method has been developed for measuring distributed acoustic signals. This method uses microwave-modulated low coherence light as a probe to interrogate distributed in-fiber interferometers, which are used to measure acoustic-induced strain. By sweeping the microwave frequency at a constant rate, the acoustic signals are encoded into the complex microwave spectrum. The microwave spectrum is transformed into the joint time–frequency domain and further processed to obtain the distributed acoustic signals. The method is first evaluated using an intrinsic Fabry Perot interferometer (IFPI). Acoustic signals of frequency up to 15.6 kHz were detected. The method was further demonstrated using an array of in-fiber weak reflectors and an external Michelson interferometer. Two piezoceramic cylinders (PCCs) driven at frequencies of 1700 Hz and 3430 Hz were used as acoustic sources. The experiment results show that the sensing system can locate multiple acoustic sources. The system resolves 20 nε when the spatial resolution is 5 cm. The recovered acoustic signals match the excitation signals in frequency, amplitude, and phase, indicating an excellent potential for distributed acoustic sensing (DAS). Full article
(This article belongs to the Special Issue Fiber Optic Sensors for Biological, Chemical, Acoustic, and Magnetic Field Sensing)
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