期刊
PROGRESS IN ELECTROMAGNETICS RESEARCH-PIER
卷 132, 期 -, 页码 587-601出版社
EMW PUBLISHING
DOI: 10.2528/PIER12081304
关键词
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资金
- National Natural Science Foundation of China [61101044, 61275176, 60978053, 90922025, 51032003, 50921061]
- National High Technology Research and Development Program of China (863 Program) [2012AA030403]
- SRF for ROCS, SEM
- NPU Aoxiang Star Project
- Research Fund for the Doctoral Program of Higher Education of China [20090002120008]
- NPU Foundation for Fundamental Research [NPU-FFR-JC20100243]
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.
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