COUPLING EFFECT FOR DIELECTRIC METAMATERIAL DIMER

被引:16
|
作者
Zhang, F. [1 ,2 ]
Sadaune, V. [3 ]
Kang, L. [3 ]
Zhao, Q. [4 ]
Zhou, J. [5 ]
Lippens, D. [3 ]
机构
[1] Northwestern Polytech Univ, Key Lab Space Appl Phys & Chem, Minist Educ, Xian 710072, Peoples R China
[2] Northwestern Polytech Univ, Dept Appl Phys, Sch Sci, Xian 710072, Peoples R China
[3] Univ Sci & Technol Lille, Inst Elect Microelect & Nanotechnol, CNRS 8520, F-59652 Villeneuve Dascq, France
[4] Tsinghua Univ, State Key Lab Tribol, Dept Precis Instruments & Mechanol, Beijing 100084, Peoples R China
[5] Tsinghua Univ, State Key Lab New Ceram & Fine Proc, Dept Mat Sci & Engn, Beijing 100084, Peoples R China
基金
中国国家自然科学基金; 国家高技术研究发展计划(863计划); 高等学校博士学科点专项科研基金;
关键词
SPLIT-RING RESONATORS; MAGNETIC-PROPERTIES; TRANSMISSION; ABSORBER; PLASMONS;
D O I
10.2528/PIER12081304
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
In this paper, we report experimentally and numerically on coupling effects of dielectric metamaterial dimer (metadimer) which composed of two identical ceramic cubes with high permittivity. The distance dependence of Mie resonance for metadimer is investigated under various polarizations of external wave. By changing the configurations and alignment of dimer resonator, it is revealed that magnetic and electric resonances of metadimer exhibits a red/blue shift, resulting from longitudinal or transverse coupling effects of dipoles. Besides, quasi bound states between tightly stacked dielectric cubes are also been pointed out for electric Mie resonance, which is responsible for an unexpected frequency shift with a reverse variation.
引用
收藏
页码:587 / 601
页数:15
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