A mircostrip antenna with single square ring structured left-handed metamaterial

被引：6

作者：

Guo Lin-Yan ^{[1
]}

Yang He-Lin ^{[1
]}

Li Min-Hua ^{[1
]}

Gao Chao-Song ^{[1
]}

Tian Yuan ^{[1
]}

机构：

[1] Cent China Normal Univ, Coll Phys Sci & Technol, Wuhan 430079, Peoples R China

来源：

ACTA PHYSICA SINICA | 2012年 / 61卷 / 01期

关键词：

single square ring structure; left-handed metamaterials; microstrip antenna; NEGATIVE PERMEABILITY; MICROSTRIP ANTENNA;

D O I：

10.7498/aps.61.014102

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

A simple structured left-handed metamaterials composed of single square ring cell is fabricated. Its permittivity and permeability are simultaneously negative in 4.8-5.25 GHz. A 5.0 GHz microstrip antenna is proposed, and we use this single square ring structured left-handed metamaterials (SSR-LHMs) as covering layer. Simulation and experiment results show that compared with conventional microstrip antenna, the performance of the new microstrip antenna with SSR-LHMs has been improved remarkably. The -3 dB beam of E-plane and H-plane can be reduced respectively by 25 degrees and 20 degrees, so the directional property of the antenna is enhanced. The gain is improved by 3dB and the -10 dB bandwidth is increased by 600 MHz.

引用

页数：5

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