Local light enhancement by an optimal ring-disk plasmonic nanostructure for sensing applications

Ahmad A. Darweesh; Joseph B. Herzog

doi:10.1364/BODA.2021.DTu1A.7

Biophotonics Congress 2021
OSA Technical Digest (Optica Publishing Group, 2021),
paper DTu1A.7
•https://doi.org/10.1364/BODA.2021.DTu1A.7

Local light enhancement by an optimal ring-disk plasmonic nanostructure for sensing applications

Ahmad A. Darweesh and Joseph B. Herzog

Bio-Optics: Design and Application 2021

Washington, DC United States
12–16 April 2021
ISBN: 978-1-943580-85-9

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Nano/micro Devices (DTu1A)

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A. A. Darweesh and J. B. Herzog, "Local light enhancement by an optimal ring-disk plasmonic nanostructure for sensing applications," in Biophotonics Congress 2021, C. Boudoux, K. Maitland, C. Hendon, M. Wojtkowski, K. Quinn, M. Schanne-Klein, N. Durr, D. Elson, F. Cichos, L. Oddershede, V. Emiliani, O. Maragò, S. Nic Chormaic, N. Pégard, S. Gibbs, S. Vinogradov, M. Niedre, K. Samkoe, A. Devor, D. Peterka, P. Blinder, and E. Buckley, eds., OSA Technical Digest (Optica Publishing Group, 2021), paper DTu1A.7.

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Abstract

A nanoring-nanodisk plasmonic structure with a fixed gap space has been designed and simulated. Local optical enhancement was calculated for different nanoring-nanodisk radius. Such enhancement can improve SERS and the plasmonic biosensor performance.

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