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Computer Optics, 2019, Volume 43, Issue 4, Pages 596–604 (Mi co682)  

OPTO-IT

Estimation of resonance characteristics of single-layer surface-plasmon sensors in liquid solutions using Fano’s approximation in the visible and infrared regions

D. Nesterenkoab, R. A. Pavelkinb, Sh. Hayashicd

a IPSI RAS – Branch of the FSRC “Crystallography and Photonics” RAS, Molodogvardeyskaya 151, 443001, Samara, Russia
b Samara National Research University, Moskovskoye Shosse 34, 443086, Samara, Russia
c Kobe University, Kobe 657-8501, Japan
d Moroccan Foundation for Science, Innovation and Research (MAScIR), Rabat 10100, Morocco

Abstract: In this work, we consider the use of planar sensing structures, which support excitation of surface plasmon polarition (SPP) modes, for detecting changes in solvents, i.e. water, ethanol, isopropanol. In the structures under study, SPP modes propagate along the interfaces between metals and general solvents. The analysis of characteristics of the resonance response is based on Fano’s approximation within the coupled-mode theory in the visible and infrared regions. The maximum sensitivity and field enhancement are revealed in the near- and mid-infrared regions in the case of ethanol and isopropanol, which enables sensing applications beyond the regions of water absorption.

Keywords: nanophotonics, plasmonics, planar structures, surface plasmon-polariton mode, optical resonances, sensing, Fano’s approximation.

Funding Agency Grant Number
Ministry of Science and Higher Education of the Russian Federation 007-ÃÇ/×3363/26
Russian Science Foundation 19-19-00514
Russian Foundation for Basic Research 18-29-20006 à
The work was partly funded by the Russian Federation Ministry of Science and Higher Education within a state contract with the "Crystallography and Photonics" Research Center of the RAS under agreement 007-ÃÇ/×3363/26 (Design of the experiment), the Russian Science Foundation under project No. 19-19-00514 (Realization of numerical experiments), and the Russian Foundation for Basic Research under project No. 18-29-20006 (Numerical results).


DOI: https://doi.org/10.18287/2412-6179-2019-43-4-596-604

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Received: 31.05.2019
Accepted:31.07.2019

Citation: D. Nesterenko, R. A. Pavelkin, Sh. Hayashi, “Estimation of resonance characteristics of single-layer surface-plasmon sensors in liquid solutions using Fano’s approximation in the visible and infrared regions”, Computer Optics, 43:4 (2019), 596–604

Citation in format AMSBIB
\Bibitem{NesPavHay19}
\by D.~Nesterenko, R.~A.~Pavelkin, Sh.~Hayashi
\paper Estimation of resonance characteristics of single-layer surface-plasmon sensors in liquid solutions using Fano’s approximation in the visible and infrared regions
\jour Computer Optics
\yr 2019
\vol 43
\issue 4
\pages 596--604
\mathnet{http://mi.mathnet.ru/co682}
\crossref{https://doi.org/10.18287/2412-6179-2019-43-4-596-604}


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