Abstract
Looking for a metamaterial, which can operate over a broad frequency band, has been indispensable towards promising applications. In this report, we propose a simple approach, allowing enlargement of the negative permeability band by breaking the structural symmetry in conventional cut-wire-pair metamaterials. Equivalent LC circuit and finite integration simulations are performed to explain underlying physics of the band expansion. Microwave samples are also prepared and measured to verify the proposed idea.
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Acknowledgements
This work was supported by the National Foundation for Science and Technology Development (Grant No. NAFOSTED 103.02-2014.67) and the Vietnam Academy of Science and Technology (Grant No. VAST 03.02/15-16).
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Trang, P.T., Nguyen, B.H., Tiep, D.H. et al. Symmetry-Breaking Metamaterials Enabling Broadband Negative Permeability. J. Electron. Mater. 45, 2547–2552 (2016). https://doi.org/10.1007/s11664-016-4410-z
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DOI: https://doi.org/10.1007/s11664-016-4410-z