Experimental realization of a broadband conformal mapping lens for directional emission

被引：21

作者：

Gu, Chendong ^{[1
]}

Yao, Kan ^{[1
]}

Lu, Weixin ^{[1
]}

Lai, Yun ^{[1
]}

Chen, Huanyang ^{[1
]}

Hou, Bo ^{[1
]}

Jiang, Xunya ^{[2
]}

机构：

[1] Soochow Univ, Sch Phys Sci & Technol, Suzhou 215006, Peoples R China

[2] Chinese Acad Sci, State Key Lab Funct Mat Informat, Shanghai Inst Microsyst & Informat Technol, Shanghai 200050, Peoples R China

来源：

APPLIED PHYSICS LETTERS | 2012年 / 100卷 / 26期

基金：

中国国家自然科学基金;

关键词：

LUNEBURG; CLOAK;

D O I：

10.1063/1.4731877

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We experimentally realize a transformation lens for directional emission at microwave frequencies. The refractive index of the lens, based on the design of conformal mapping, has variation from 1 to 4 inside a semi-circular geometry. By drilling subwavelength holes in dielectric plates inhomogeneously, we design the lens sample. The scanning measurements of the electric field of the lens demonstrate the high directivity of emission, within a broadband working frequency region of 7-11 GHz. (C) 2012 American Institute of Physics. [http://dx.doi.org/10.1063/1.4731877]

引用

页数：3

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