Surface plasmon polariton in multilayered configuration
DOI:
https://doi.org/10.56053/3.3.395Keywords:
EMW, Metallic, OpticalAbstract
We investigate the effect of a propagation of surface electromagnetic waves along a metallic surface covered by layered dielectric structures. The optical coupling of a wave incident to collective oscillations of electrons along an interface between a metal and a dielectric is governed by the thickness of metal and gap layers. The surface Plasmon excited by an electromagnetic wave with a central wavelength of λ=486 nm and using the optic finite-difference time-domain method (OptiFDTD). For the metal, in particular a frequency on their dielectric permittivity dependence and described by the Drude-Lorentz model and using the effective-index approach and an explicit expression for the propagation constant of long rang surface plasmon polaritons (LR-SPPs) obtained for moderate metal widths.
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