Numerical analysis of plasmonic metasurfaces for fluorescence enhancement

The paper presents an extensive numerical analysis performed by three-dimensional (3D) simulations using the finite difference in time and space (FDTD) method to identify the optimal geometry, size and configuration of the nano-antennas that constitute a plasmonic metasurface. The aim was to achieve...

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Autores principales:	Tomescu Roxana, Nita Florin, Caramizoiu Stefan, Anastasoaie Veronica, Cristea Dana
Formato:	article
Lenguaje:	EN
Publicado:	EDP Sciences 2021
Materias:	Physics QC1-999
Acceso en línea:	https://doaj.org/article/268deea43e904101ae12720de8c894e6
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id	oai:doaj.org-article:268deea43e904101ae12720de8c894e6
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spelling	oai:doaj.org-article:268deea43e904101ae12720de8c894e62021-12-02T17:12:51ZNumerical analysis of plasmonic metasurfaces for fluorescence enhancement2100-014X10.1051/epjconf/202125504004https://doaj.org/article/268deea43e904101ae12720de8c894e62021-01-01T00:00:00Zhttps://www.epj-conferences.org/articles/epjconf/pdf/2021/09/epjconf_eosam2021_04004.pdfhttps://doaj.org/toc/2100-014XThe paper presents an extensive numerical analysis performed by three-dimensional (3D) simulations using the finite difference in time and space (FDTD) method to identify the optimal geometry, size and configuration of the nano-antennas that constitute a plasmonic metasurface. The aim was to achieve the highest resonance at various wavelengths (NIR-VIS), for local enhancement of the excitation field and collection efficiency of emitted photons. We investigated ten different types of metals, two shapes (disks and U-shape resonators) and various geometrical parameters for the nanoresonators composing the metasurface. The best results for Rhodamine 6G excitation and emission were obtained using silver resonators with 105 nm diameter of the cylinder elements in a rectangular array with a 110 nm period, and with 110 nm long U-shape placed at a period of 40 nm.Tomescu RoxanaNita FlorinCaramizoiu StefanAnastasoaie VeronicaCristea DanaEDP SciencesarticlePhysicsQC1-999ENEPJ Web of Conferences, Vol 255, p 04004 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Physics QC1-999
spellingShingle	Physics QC1-999 Tomescu Roxana Nita Florin Caramizoiu Stefan Anastasoaie Veronica Cristea Dana Numerical analysis of plasmonic metasurfaces for fluorescence enhancement
description	The paper presents an extensive numerical analysis performed by three-dimensional (3D) simulations using the finite difference in time and space (FDTD) method to identify the optimal geometry, size and configuration of the nano-antennas that constitute a plasmonic metasurface. The aim was to achieve the highest resonance at various wavelengths (NIR-VIS), for local enhancement of the excitation field and collection efficiency of emitted photons. We investigated ten different types of metals, two shapes (disks and U-shape resonators) and various geometrical parameters for the nanoresonators composing the metasurface. The best results for Rhodamine 6G excitation and emission were obtained using silver resonators with 105 nm diameter of the cylinder elements in a rectangular array with a 110 nm period, and with 110 nm long U-shape placed at a period of 40 nm.
format	article
author	Tomescu Roxana Nita Florin Caramizoiu Stefan Anastasoaie Veronica Cristea Dana
author_facet	Tomescu Roxana Nita Florin Caramizoiu Stefan Anastasoaie Veronica Cristea Dana
author_sort	Tomescu Roxana
title	Numerical analysis of plasmonic metasurfaces for fluorescence enhancement
title_short	Numerical analysis of plasmonic metasurfaces for fluorescence enhancement
title_full	Numerical analysis of plasmonic metasurfaces for fluorescence enhancement
title_fullStr	Numerical analysis of plasmonic metasurfaces for fluorescence enhancement
title_full_unstemmed	Numerical analysis of plasmonic metasurfaces for fluorescence enhancement
title_sort	numerical analysis of plasmonic metasurfaces for fluorescence enhancement
publisher	EDP Sciences
publishDate	2021
url	https://doaj.org/article/268deea43e904101ae12720de8c894e6
work_keys_str_mv	AT tomescuroxana numericalanalysisofplasmonicmetasurfacesforfluorescenceenhancement AT nitaflorin numericalanalysisofplasmonicmetasurfacesforfluorescenceenhancement AT caramizoiustefan numericalanalysisofplasmonicmetasurfacesforfluorescenceenhancement AT anastasoaieveronica numericalanalysisofplasmonicmetasurfacesforfluorescenceenhancement AT cristeadana numericalanalysisofplasmonicmetasurfacesforfluorescenceenhancement
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Numerical analysis of plasmonic metasurfaces for fluorescence enhancement

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