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Enhanced Optical Fiber Based Surface Plasmon Resonance Sensors

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

Deadline for manuscript submissions: closed (31 December 2023) | Viewed by 1800

Special Issue Editor

DTU Electro, Department of Electrical and Photonics Engineering, Technical University of Denmark, 2800 Lyngby, Denmark
Interests: specialty optical fibers; surface plasmon resonance; fiber Bragg gratings; fiber sensors; fiber sensing technologies; fiber lasers; supercontinuum sources
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Surface plasmon resonance (SPR) sensors are known to be one of the most sensitive sensing mechanism. Interest in optical fiber-based SPR has increased considerably because of the unique properties of optical fibers such as light weight, small size, remote sensing capability, the ability to provide multiplexed and distributed sensing compared to their counterpart prism-based approach. These features of optical fibers in combination with highly sensitive surface plasmon resonance sensing method makes fiber optics-based SPR (FO-SPR) sensors ideal for various applications in the health sector, food safety, environment safety, human security, etc. Due to a considerable demand in detecting of small amounts of quantities, it is required to significantly enhance the sensitivity of FO-SPR sensors. To achieve this, a new fiber design and fabrication, a new probe structure, a new plasmonic material or optimization of the current state of the art is required. 

This Special Issue invites contributions of original research, which are not currently under review elsewhere in other journals or conferences, covering the following topics for fiber optic-based SPR sensors performance enhancement

  • New fiber designs (fabrication feasible);
  • New sensor probe design (fabrication feasible);
  • New plasmonic materials;
  • Optimization of the current state of the art info-SPR;
  • Fiber optic processing methods to access evanescent field;
  • Miniaturization of FO-SPR sensors;
  • Applications of FO-SPR sensors (particularly for bio-sensing);
  • Long-term performance of FO-SPR sensors;
  • Packaging of FO-SPR sensors;
  • Commercialization of FO-SPR sensors.

Papers covering other topics that are relevant to the Special Issue topic are also welcome.

Dr. Getinet Woyessa
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. 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 fibers
  • polymer optical fibers
  • photonic crystal fibers
  • microstructured polymer optical fibers
  • new and feasible fiber design
  • surface plasmon resonance
  • methods for sensitivity enhancement
  • methods for resolution enhancement
  • biosensors
  • application in health, food safety, environment, agriculture

Published Papers (1 paper)

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Research

9 pages, 4555 KiB  
Communication
A Designed Twist Sensor Based on the SPR Effect in the Thin-Gold-Film-Coated Helical Microstructured Optical Fibers
by Mengwei Zhang, Lei Zhang, Qiang Chen, Ge Bai and Shuguang Li
Sensors 2022, 22(15), 5668; https://doi.org/10.3390/s22155668 - 28 Jul 2022
Cited by 12 | Viewed by 1348
Abstract
The traditional optical fiber-based twist sensing has the disadvantage of low sensitivity and difficulty of distinguishing the twist direction. Moreover, chiral isomerism may lead to sensing errors. In this paper, a six-hole helical microstructured optical fiber (HMSF) with a thin-gold-film-coat based on the [...] Read more.
The traditional optical fiber-based twist sensing has the disadvantage of low sensitivity and difficulty of distinguishing the twist direction. Moreover, chiral isomerism may lead to sensing errors. In this paper, a six-hole helical microstructured optical fiber (HMSF) with a thin-gold-film-coat based on the surface plasmon resonance (SPR) effect was designed. The twist sensing characteristics of this fiber were further analyzed. Numerical calculation and analysis show that the combination of helical effect and SPR effect can design an HMSF-based sensor that is very sensitive to distortion. In the torsion range of ±300°, the distortion sensitivity can reach 2470.7 pm/(rad/m), and the linear correlation coefficient is 0.99996. Based on the special sensing mechanism, it has a good linear coefficient over a large range. Additionally, the direction of the twist can be easily discerned. The HMSF in this work not only has high sensitivity, high linearity, high fault tolerance rate, and a wide range of measurement, but is also easy to manufacture. Therefore, it is promising in the field of twist sensing and has a good application prospect. Full article
(This article belongs to the Special Issue Enhanced Optical Fiber Based Surface Plasmon Resonance Sensors)
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