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Open AccessReview

A Review: Evolution and Diversity of Optical Fibre Plasmonic Sensors

by Thomas Allsop 1,* and Ron Neal 2
1
School of Engineering and Computer Science, University of Hull, Hull HU6 7RX, UK
2
School of Computing, Communications and Electronics, University of Plymouth, Plymouth PL4 8AA, UK
*
Author to whom correspondence should be addressed.
Sensors 2019, 19(22), 4874; https://doi.org/10.3390/s19224874
Received: 15 October 2019 / Revised: 4 November 2019 / Accepted: 5 November 2019 / Published: 8 November 2019
The purpose of this review is to bring to the attention of the wider research community how two quite different optical sensory techniques were integrated resulting in a sensor device of exceptional sensitivity with wide ranging capability. Both authors have collaborated over a 20 year period, each researching initially surface plasmon resonance (SPR) and optical fibre Bragg grating devices. Our individual research, funded in part by EPSRC and industry into these two areas, converged, resulting in a device that combined the ultra-sensitive working platform of SPR behavior with that of fibre Bragg grating development, which provided a simple method for SPR excitation. During this period, they developed a new approach to the fabrication of nano-structured metal coatings for plasmonic devices and demonstrated on fibre optic platform, which has created an ultra-sensitive optical sensing platform. Both authors believe that the convergence of these two areas will create opportunities in detection and sensing yet to be realised. Furthermore, giving the reader “sign-post” research articles to help to construct models to design sensors and to understand their experimental results. View Full-Text
Keywords: optical fiber sensors; plasmonic nanostructures; bio-sensors; gratings optical fiber sensors; plasmonic nanostructures; bio-sensors; gratings
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Allsop, T.; Neal, R. A Review: Evolution and Diversity of Optical Fibre Plasmonic Sensors. Sensors 2019, 19, 4874.

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