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      Investigation of various metamaterial structures using multilevel fast multipole algorithm

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      Author(s)
      Ergül, Özgür
      Yavuz, Çağlar
      Ünal, Alper
      Gürel, Levent
      Date
      2007
      Source Title
      Proceedings of the Antennas and Propagation Society International Symposium, IEEE 2007
      Print ISSN
      1522-3965
      Publisher
      IEEE
      Pages
      1845 - 1848
      Language
      English
      Type
      Conference Paper
      Item Usage Stats
      156
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      106
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      Abstract
      We consider accurate simulations of metamaterial (MM) structures consisting of split- ring-resonators (SRRs) and thin wires (TWs). We employ electric-field integral equation (EFIE) to formulate the scattering problems involving these complicated structures. Accurate modelling of MMs translates into very large computational problems, which can be solved with the aid of advanced acceleration techniques, such as the multilevel fast multipole algorithm (MLFMA). We investigate various multilayer structures of SRRs as well as composite metamaterials (CMMs) constructed by the arrangements of SRR and TW arrays. In addition, we consider various disordering scenarios, where the unit cells are not placed perfectly and they are misaligned. This way, we investigate the electromagnetic properties of MMs when the arrays are defected. In this paper, we briefly report the accurate solutions of various real-life MM problems and present power transmission properties of these important structures.
      Keywords
      Metamaterials
      MLFMA
      Nonhomogeneous media
      Coordinate measuring machines
      Virtual manufacturing
      Permalink
      http://hdl.handle.net/11693/27027
      Published Version (Please cite this version)
      http://dx.doi.org/10.1109/APS.2007.4395877
      Collections
      • Computational Electromagnetics Research Center (BiLCEM) 84
      • Department of Electrical and Electronics Engineering 3702
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