Loss enhanced transmission and collimation in anisotropic epsilon-near-zero metamaterials

被引：54
|
作者：
Sun, Lei [1 ]
Feng, Simin [2 ]
Yang, Xiaodong [1 ]
机构：
[1] Missouri Univ Sci & Technol, Dept Mech & Aerosp Engn, Rolla, MO 65409 USA
[2] USN, Div Phys, Air Warfare Ctr, China Lake, CA 93555 USA
来源：
APPLIED PHYSICS LETTERS | 2012年 / 101卷 / 24期
关键词：
NANOSCALE;
D O I：
10.1063/1.4770374
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
We verify the extraordinary transmission enhancement and collimation induced by the material loss in anisotropic epsilon-near-zero metamaterials, and reveal the physical mechanism of this exotic electromagnetic phenomenon via the iso-frequency contour analysis. In addition, we demonstrate the possibility in realization of such loss enhanced transmission of Gaussian beam in realistic silver-germanium multilayered structures by applying full-wave numerical simulations. (C) 2012 American Institute of Physics. [http://dx.doi.org/10.1063/1.4770374]
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页数：4
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