Dependence of surface plasmon lifetimes on the hole size in two-dimensional metallic arrays
作者： J. Li , H. Iu , D. Y. Lei , J. T. K. Wan , J. B. Xu
DOI: 10.1063/1.3132585
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摘要: Two-dimensional metallic arrays with different hole sizes have been fabricated by using interference lithography and their optical properties studied angle-dependent reflectivity measurements. The lifetimes of surface plasmon polariton (SPP) modes determined from the linewidths spectra for resonance wavelengths sizes. It is found that display an λn dependence, where n strongly dependent on radius. In particular, to be ∼4 small hole, as expected Rayleigh dipole scattering, linearly increases ∼11 when radius increased 177 nm. By plotting radius, relationship between found.
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