Polarization-insensitive resonances with high quality-factors in meta-molecule metamaterials

被引：12

作者：

Wu, Lin ^{[1
,2
]}

Yang, Zhenyu ^{[1
,2
]}

Zhao, Ming ^{[1
,2
]}

Zheng, Yu ^{[3
]}

Duan, Ji'an ^{[3
]}

Yuan, Xiuhua ^{[1
,2
]}

机构：

[1] Huazhong Univ Sci & Technol, Wuhan Natl Lab Optoelect, Wuhan 430074, Hubei, Peoples R China

[2] Huazhong Univ Sci & Technol, Sch Opt & Elect Informat, Wuhan 430074, Hubei, Peoples R China

[3] Cent S Univ, State Key Lab High Performance Complex Mfg, Changsha 410083, Hunan, Peoples R China

来源：

OPTICS EXPRESS | 2014年 / 22卷 / 12期

关键词：

ARRAYS;

D O I：

10.1364/OE.22.014588

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Achieving narrow resonance is an area of interest within the field of metamaterials. However, only a few studies have investigated the polarization-insensitive resonances. A general principle for improving quality Q-factor of a sharp resonance is still unclear. In this work, we proposed a kind of planar meta-molecule metamaterials, which can exhibit polarization-insensitive resonance with high Q-factor. The proposed structures have a unit cell consisting of four arrayed ring resonant elements with two different sizes. Moreover, the investigation on surface current and two referential simulated structures confirm a principle for improving Q-factor. (C) 2014 Optical Society of America

引用

页码：14588 / 14593

页数：6

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