Surface plasmons on corrugated metal films |
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| Authors: | G.A. Farias A.A. Maradudin V. Celli |
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| Affiliation: | Department of Physics, University of California at Irvine, Irvine, California 92717, USA;Department of Physics, University of Virginia, Charlottesville, Virginia, USA |
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| Abstract: | The dispersion relation for a surface plasmon, propagating across a corrugated metal film on a dielectric substrate, is obtained by the method of reduced Rayleigh equations. It is found that the surface plasmon dispersion curve has an infinite number of branches. Numerical solutions of the dispersion relation are obtained for a film, characterized by a free-electron metal dielectric function and a sinusoidal profile function. |
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