A metamaterial for directive emission -: art. no. 213902

被引：971

作者：

Enoch, S ^{[1
]}

Tayeb, G ^{[1
]}

Sabouroux, P ^{[1
]}

Guérin, N ^{[1
]}

Vincent, P ^{[1
]}

机构：

[1] Fac Sci & Tech St Jerome, Inst Fresnel, F-13397 Marseille 20, France

来源：

PHYSICAL REVIEW LETTERS | 2002年 / 89卷 / 21期

关键词：

D O I：

10.1103/PhysRevLett.89.213902

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

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 et al., J. Appl. Phys. 87, 603 (2000)].

引用

页数：4

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