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Surface electromagnetic waves at anisotropically conducting interface between two dielectrics

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2 Author(s)
Yu. O. Averkov ; Usikov Institute of Radiophysics and Electronics of NAS of Ukraine, 12, Proskura Street, Kharkov, 61085, Ukraine ; V. M. Yakovenko

In the present paper we have looked into the possibility of well-bounded SEMWs propagation at the flat interface of two different non-absorbing dielectrics in the case where the interface contains an array of perfectly conducting parallel thin wires (say, metal wires). The lattice constant of the array and the diameter of wires are supposed to be far less than the wavelength. The SEMWs under consideration can likewise be called as the designer SEMWs because these waves propagate along the artificial interface at frequencies which are far lower than the metal Langmuir frequency. The SEMWs were shown to be well-bounded when they propagate almost perpendicular to the wires. Besides, one can expect the SEMWs to propagate at long distances due to negligible energy losses in surrounding dielectric media. We have demonstrated that the SEMWs can be excited by the transition radiation and beam instability effects. These facts along with the simple interface design open up the possibility of practical application of the SEMWs.

Published in:

Physics and Engineering of Microwaves, Millimeter and Submillimeter Waves (MSMW), 2010 International Kharkov Symposium on

Date of Conference:

21-26 June 2010