Wave energy amplification in a metamaterial-based traveling-wave structure

Y. S. Tan, R. Seviour

Research output: Contribution to journalArticlepeer-review

44 Citations (Scopus)


We consider the interaction between a particle beam and a propagating electromagnetic wave in the presence of a metamaterial. We show that the introduction of a metamaterial gives rise to a novel dispersion curve which determines a unique wave particle relationship, via the frequency dependence of the metamaterial and the novel ability of metamaterials to exhibit simultaneous negative permittivity and permeability. Using a modified form of Madey's theorem we find that the novel dispersion of the metamaterial leads to an amplification of the EM wave power.

Original languageEnglish
Article number34005
Issue number3
Publication statusPublished - 28 Aug 2009
Externally publishedYes


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