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Computer Optics, 2017, Volume 41, Issue 5, Pages 599–608 (Mi co428)  

OPTO-IT

Modeling of surface plasmon resonance in a bent single-mode metallized optical fiber with finite element method

A. V. Dyshlyuk, O. B. Vitrik, Yu. N. Kulchin

Institute of Automation and Control Processes f Far Eastern Branch of RAS, Vladivostok, Russia

Abstract: In this paper, we present a numerical study of surface plasmon resonance (SPR) excitation in a bent single-mode optical fiber with metallized cladding. It is shown that with a suitable combination of the bending radius and metal film thickness, surface plasmon waves can be excited in the film as a result of coupling between the fundamental and surface plasmon modes via whispering gallery modes (WGM) supported by the bent fiber cladding. The coupling brings about a dip in the transmission spectrum at the resonant wavelength which is strongly dependent on the ambient refractive index, thus, making it possible to build an SPR- refractometer based on a single-mode fiber without breaking the structural integrity of the fiber or using any additional elements. The refractometric sensitivity of $\sim 12 \mu m/RIU$ are demonstrated.

Keywords: surface plasmon resonance, fiber optic refractometer, biosensing, chemosensing, whispering gallery modes, bent optical fiber.

Funding Agency Grant Number
Russian Foundation for Basic Research 16-32-00384 _
Russian Academy of Sciences - Federal Agency for Scientific Organizations 15-I-4-009-
RUSPLUS_S&T 048
Far Eastern Branch of the Russian Academy of Sciences
The work was partially funded by the Russian Foundation for Basic Research (grant #16-32-00384), the Far East program of the Far Eastern Branch of the Russian Academy of Sciences and the Federal Agency of Scientific Organizations, and the ERA.Net Rus Plus program.


DOI: https://doi.org/10.18287/2412-6179-2017-41-5-599-608

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Full text: http://www.computeroptics.smr.ru/.../410501.html
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Received: 19.07.2017
Accepted:17.08.2017

Citation: A. V. Dyshlyuk, O. B. Vitrik, Yu. N. Kulchin, “Modeling of surface plasmon resonance in a bent single-mode metallized optical fiber with finite element method”, Computer Optics, 41:5 (2017), 599–608

Citation in format AMSBIB
\Bibitem{DysVitKul17}
\by A.~V.~Dyshlyuk, O.~B.~Vitrik, Yu.~N.~Kulchin
\paper Modeling of surface plasmon resonance in a bent single-mode metallized optical fiber with finite element method
\jour Computer Optics
\yr 2017
\vol 41
\issue 5
\pages 599--608
\mathnet{http://mi.mathnet.ru/co428}
\crossref{https://doi.org/10.18287/2412-6179-2017-41-5-599-608}


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