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Title: Effect of radial anisotropy on plasmonic optical properties of coated nanorods
Authors: King, Y.W.
Gao, L.
Qiu, C.W. 
Keywords: Finite element methods
Issue Date: 2009
Citation: King, Y.W., Gao, L., Qiu, C.W. (2009). Effect of radial anisotropy on plasmonic optical properties of coated nanorods. APMC 2009 - Asia Pacific Microwave Conference 2009 : 2451-2454. ScholarBank@NUS Repository.
Abstract: Plasmonic optical properties in pairs of coated nanorods in near-field are investigated by finite element method. The coated nanorod is composed of a radically anisotropic dielectric core and a metallic shell. Numerical simulations show that for a finite radial permittivity εr, with the increase of the tangential permittivity εt, the position of the near-field intensity peak shifts to long wavelength along with the decrease in the magnitude. On the other hand, with increasing εr, the position of the intensity peak exhibits long-wavelength shift significantly, while keeping the maximal magnitude for isotropic case. Furthermore, a compensating effect for the decay of the intensity with the incearse of the gap width can be achieved by manipulate the anisotropy of the dielectric core. ©2009 IEEE.
Source Title: APMC 2009 - Asia Pacific Microwave Conference 2009
ISBN: 9781424428021
DOI: 10.1109/APMC.2009.5385483
Appears in Collections:Staff Publications

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