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2013-04-28

Change of Structure of the Cherenkov Emission at Modulated Source in Dispersive Metamaterials

By Gennadiy Burlak and Erika Martinez-Sanchez
Progress In Electromagnetics Research, Vol. 139, 277-288, 2013
doi:10.2528/PIER13032002

Abstract

We systematically study the Cherenkov optical emission by a nonrelativistic modulated source crossing 3D dispersive metamaterial. It is found that the interference of the field produced by the modulated source with the periodic plasmonic-polariton excitations in a metamaterial leads to the specific interaction in the frequency range where the dispersive refractive index of a metamaterial is negative and the reversed Cherenkov emission is generated. Such resonance considerably modifies the spatial structure of the Cherenkov field. In our study parameters of a metamaterial and modulated source are fixed while the frequency spectrum of the plasmonic excitations is formed due to the fields interplay in the frequency domain.

Citation


Gennadiy Burlak and Erika Martinez-Sanchez, "Change of Structure of the Cherenkov Emission at Modulated Source in Dispersive Metamaterials," Progress In Electromagnetics Research, Vol. 139, 277-288, 2013.
doi:10.2528/PIER13032002
http://test.jpier.org/PIER/pier.php?paper=13032002

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