Magnetic resonance hybridization and optical activity of microwaves in a chiral metamaterial

被引：84

作者：

Li, T. Q. ^{[1
]}

Liu, H. ^{[1
]}

Li, T. ^{[1
]}

Wang, S. M. ^{[1
]}

Wang, F. M. ^{[1
]}

Wu, R. X. ^{[2
]}

Chen, P. ^{[2
]}

Zhu, S. N. ^{[1
]}

Zhang, X. ^{[3
]}

机构：

[1] Nanjing Univ, Dept Phys, Natl Lab Solid State Microstruct, Nanjing 210093, Peoples R China

[2] Nanjing Univ, Dept Elect Sci & Engn, Key Lab Modern Acoust, Nanjing 210093, Peoples R China

[3] Univ Calif Berkeley, Nanoscale Sci & Engn Ctr, Berkeley, CA 94720 USA

来源：

APPLIED PHYSICS LETTERS | 2008年 / 92卷 / 13期

基金：

中国国家自然科学基金;

关键词：

D O I：

10.1063/1.2905285

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

The propagation of microwaves through a chiral metamaterial based on a magnetic dimer is experimentally studied. As proposed by our previous theoretical model, two resonance peaks are obtained in the transmission spectrum; these originate from the hybridization effect of magnetic resonance modes in this system. Optical activity is also observed in the transmission wave. The polarization state dramatically changes around the resonance frequency: the transmitted wave becomes elliptically polarized with its major polarization axis approximately perpendicular to that of the linear incident wave. This coupled magnetic dimer system provides a practical method to optically design tunable active medium and device. (C) 2008 American Institute of Physics.

引用

页数：3

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