Leaky-Wave Radiations by Modulating Surface Impedance on Subwavelength Corrugated Metal Structures

被引：21

作者：

Cai, Ben Geng ^{[1
]}

Li, Yun Bo ^{[1
]}

Ma, Hui Feng ^{[1
,2
]}

Jiang, Wei Xiang ^{[1
,2
]}

Cheng, Qiang ^{[1
,3
]}

Cui, Tie Jun ^{[1
,3
]}

机构：

[1] Southeast Univ, State Key Lab Millimeter Waves, Dept Radio Engn, Nanjing 210096, Jiangsu, Peoples R China

[2] Southeast Univ, Synerget Innovat Ctr Wireless Commun Technol, Nanjing 210096, Jiangsu, Peoples R China

[3] Cooperat Innovat Ctr Terahertz Sci, 4 Sect 2,North Jianshe Rd, Chengdu 610054, Peoples R China

来源：

SCIENTIFIC REPORTS | 2016年 / 6卷

基金：

美国国家科学基金会;

关键词：

TRANSMISSION; ANTENNA; LIGHT; ULTRATHIN; PLASMONS;

D O I：

10.1038/srep23974

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

One-dimensional (1D) subwavelength corrugated metal structures has been described to support spoof surface plasmon polaritons (SPPs). Here we demonstrate that a periodically modulated 1D subwavelength corrugated metal structure can convert spoof SPPs to propagating waves. The structure is fed at the center through a slit with a connected waveguide on the input side. The subwavelength corrugated metal structure on the output surface is regarded as metasurface and modulated periodically to realize the leaky-wave radiation at the broadside. The surface impedance of the corrugated metal structure is modulated by using cosine function and triangle-wave function, respectively, to reach the radiation effect. Full wave simulations and measuremental results are presented to validate the proposed design.

引用

页数：7

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