Journal
PHYSICS OF PLASMAS
Volume 16, Issue 2, Pages -Publisher
AIP Publishing
DOI: 10.1063/1.3068469
Keywords
electric fields; finite element analysis; Maxwell equations; nanotubes; silver; surface plasmons
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Funding
- National Science Council, Taiwan, ROC [NSC 96-2112-M-231-001-MY3, NSC-97-2120-M002-013]
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Surface plasmon effects excitation from the three-pair arrays of silver-shell nanocylinders are investigated numerically by using the finite-element method. Effects from different illumination wavelengths, interparticle distance, interpair distance, and the radii of air hole in nanocylinders are studied. Compared to the three-pair arrays of solid silver cylinder, the near-field optical response of the shell exhibits electric field enhancements and redshift which are found to be strongly influenced by tuning the radius of the air-hole in the nanocylinders.
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