Metamaterial lens made of fully printed resonant-type negative-refractive-index transmission lines

被引：24
|
作者：
Xu, He-Xiu [1 ,2 ]
Wang, Guang-Ming [1 ]
Qi, Mei Qing [2 ]
Lv, Yuan-Yuan [3 ]
Gao, Xi [4 ]
机构：
[1] AF Engn Univ, Missile Inst, Xian 710051, Peoples R China
[2] Southeast Univ, State Key Lab Millimeter Waves, Nanjing 210096, Jiangsu, Peoples R China
[3] Liaoning Univ Technol, Sch Elect & Informat Engn, Jinzhou 121000, Peoples R China
[4] Guilin Univ Elect Technol, Sch Informat & Commun, Guilin 541004, Peoples R China
来源：
APPLIED PHYSICS LETTERS | 2013年 / 102卷 / 19期
基金：
中国国家自然科学基金;
关键词：
ELECTROMAGNETIC-WAVES; VERIFICATION;
D O I：
10.1063/1.4804602
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
We studied a well-resolved lens based on planar fully printed resonant-type negative-refractive-index transmission lines made of complementary split ring resonators. The lens goes beyond previous lens in terms of moderate loss and compactness. The focusing has been demonstrated by the circuit theory simulation and full-wave simulation and finally confirmed by the experiments, showing that that the lens is able to overcome the diffraction limit of 0.5 effective wavelengths and exhibits a super resolution as small as 0.348 effective wavelengths inside the lens. The superlens free of any lumped elements opens an easy and inexpensive avenue toward imaging devices with super performances. (C) 2013 AIP Publishing LLC.
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页数：5
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