15 November 2010 Positive and negative metamaterials as frequency selective surface
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We study theoretically that a resonant response with a high quality factor could be achieved in a planar positive or negative metamaterials by weakly breaking the geometrical symmetry of its unit cells. The trapped mode resulting from broken structures is investigated using the finite element method and the dependence of the quality factor on structural parameters is also discussed.
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Jinhui Shi, Ran Liu, Yuxiang Li, Zhengping Wang, Tianshu Fu, "Positive and negative metamaterials as frequency selective surface", Proc. SPIE 7854, Infrared, Millimeter Wave, and Terahertz Technologies, 78543O (15 November 2010); doi: 10.1117/12.870381; https://doi.org/10.1117/12.870381

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