Extraordinary transmission through metal-coated monolayers of microspheres | Zendy

Lars Landström | Zendy; D. Brodoceanu | Zendy; D. Bäuerle | Zendy; F. J. GarcíaVidal | Zendy; Sergio G. Rodrigo | Zendy; L. Martı́n-Moreno | Zendy

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Extraordinary transmission through metal-coated monolayers of microspheres

Author(s) -

Lars Landström,

D. Brodoceanu,

D. Bäuerle,

F. J. GarcíaVidal,

Sergio G. Rodrigo,

L. Martı́n-Moreno

Publication year - 2009

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.17.000761

Subject(s) - materials science , finite difference time domain method , monolayer , spectral line , optics , transmission (telecommunications) , photonic crystal , metal , polystyrene , thin film , microsphere , polymer , optoelectronics , nanotechnology , composite material , physics , engineering , astronomy , chemical engineering , metallurgy , electrical engineering

The spectral dependence of the extraordinary transmission through monolayers of close-packed silica or polystyrene microspheres on a quartz support, covered with different thin metal films (Ag, Au and Ni) was investigated. The measured spectra were compared with modeled transmission spectra using finite difference time domain (FDTD) calculations. Measured and modeled spectra show good overall agreement. The supported modes in the sphere array were found to be of utmost importance for the transmission mechanism and the results also suggest that the presence of guided modes in the photonic crystal may further enhance the extraordinary transmission through the metal film.

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