alexa A metamaterial for directive emission.
Materials Science

Materials Science

Journal of Nanomedicine & Nanotechnology

Author(s): Enoch S, Tayeb G, Sabouroux P, Gurin N, Vincent P

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Abstract In this paper we present the first results on emission in metamaterial. We show how the specific properties of metallic composite material can modify the emission of an embedded source. We show that under proper conditions the energy radiated by a source embedded in a slab of metamaterial will be concentrated in a narrow cone in the surrounding media. An experimental demonstration of this effect is given in the microwave domain, and the constructed antenna has a directivity equivalent to the best reported results with photonic-crystal-based antennas but using a completely different physical principle [B. Temelkuaran, J. Appl. Phys. 87, 603 (2000)]]. This article was published in Phys Rev Lett and referenced in Journal of Nanomedicine & Nanotechnology

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