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      Bilayer metamaterial: analysis of left-handed transmission and retrieval of effective medium parameters

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      Author
      Guven, K.
      Cakmak, A. O.
      Caliskan, M. D.
      Gundogdu, T. F.
      Kafesaki, M.
      Soukoulis, C. M.
      Özbay, Ekmel
      Date
      2007
      Source Title
      Journal of Optics A: Pure and Applied Optics
      Print ISSN
       
       
      1464-4258
       
      Publisher
      Institute of Physics Publishing Ltd.
      Volume
      9
      Issue
      9
      Pages
      S361 - S365
      Language
      English
      Type
      Article
      Item Usage Stats
      132
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      Abstract
      We report an experimental and numerical analysis of a planar metamaterial designed for normal-to-plane propagation, and operating at microwave frequencies. The metamaterial consists of cutwire and wire patterns, which are arranged periodically on both sides of a dielectric layer, in the form of a bilayer. The left-handed transmission band of the metamaterial is demonstrated experimentally. The effective index of refraction retrieved from the S parameters is found to be negative within this transmission band. An independent negative refraction experiment supports the existence of the negative index of refraction for the metamaterial.
      Keywords
      Metamaterial
      Negative index
      Negative refraction
      Split-ring resonator
      Negative refraction
      Permalink
      http://hdl.handle.net/11693/23391
      Published Version (Please cite this version)
      http://doi.org/10.1088/1464-4258/9/9/S13
      Collections
      • Department of Electrical and Electronics Engineering 3524
      • Department of Physics 2299
      • Institute of Materials Science and Nanotechnology (UNAM) 1775
      • Nanotechnology Research Center (NANOTAM) 1006
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