Journal
PHOTONICS AND NANOSTRUCTURES-FUNDAMENTALS AND APPLICATIONS
Volume 7, Issue 2, Pages 108-113Publisher
ELSEVIER
DOI: 10.1016/j.photonics.2009.01.001
Keywords
Planar left-handed metamaterials; Broadband; SRR pairs
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Funding
- National Natural Science Foundation of China [50632030, 10474077, 60871027]
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In this paper, we showed that split-ring resonator (SRR) pairs can be used as broadband planar left-handed metamaterials (LHMs). Simulations were carried out for one layer of infinite LHM slab using SRR pairs. The results showed that by carefully adjusting dimensions of the SRR pairs, magnetic and electric resonances can be coexistent at some frequency ranges and in the frequency range where there are both negative magnetic and electric responses, there is a broad LH band. Equivalent circuits for the magnetic and electric resonance were offered to give a qualitative and quantitative explanation of the LH behaviors of LHMs using SRR pairs. (C) 2009 Elsevier B.V. All rights reserved.
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