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Recent Advances in Plasmonic Sensor-Based Fiber Optic Probes for Biological Applications

1
School of Electronic and Computer Engineering, Peking University, Shenzhen 518005, China
2
School of Engineering, University of Aberdeen, Aberdeen AB24 3UE, UK
3
School of Advanced Sciences, Vellore Institute of Technology, Vellore 632014, India
*
Author to whom correspondence should be addressed.
Appl. Sci. 2019, 9(5), 949; https://doi.org/10.3390/app9050949
Received: 30 December 2018 / Revised: 27 February 2019 / Accepted: 1 March 2019 / Published: 6 March 2019
(This article belongs to the Special Issue Recent Progress in Fiber Optic Sensors: Bringing Light to Measurement)
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Abstract

The survey focuses on the most significant contributions in the field of fiber optic plasmonic sensors (FOPS) in recent years. FOPSs are plasmonic sensor-based fiber optic probes that use an optical field to measure the biological agents. Owing to their high sensitivity, high resolution, and low cost, FOPS turn out to be potential alternatives to conventional biological fiber optic sensors. FOPS use optical transduction mechanisms to enhance sensitivity and resolution. The optical transduction mechanisms of FOPS with different geometrical structures and the photonic properties of the geometries are discussed in detail. The studies of optical properties with a combination of suitable materials for testing the biosamples allow for diagnosing diseases in the medical field. View Full-Text
Keywords: plasmonics; photonics; fiber optic probes; surface plasmon resonance; metal; dielectric; refractive index; analyte; biosamples plasmonics; photonics; fiber optic probes; surface plasmon resonance; metal; dielectric; refractive index; analyte; biosamples
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Gandhi, M.S.A.; Chu, S.; Senthilnathan, K.; Babu, P.R.; Nakkeeran, K.; Li, Q. Recent Advances in Plasmonic Sensor-Based Fiber Optic Probes for Biological Applications. Appl. Sci. 2019, 9, 949.

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