Modelling metamaterial transmission lines: A review and recent developments

F. Aznar, M. Gil, J. Bonache, F. Martín

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9 Citations (Scopus)


This review paper is devoted to the discussion and comparison of the lumped element equivalent circuit models of the different types of metamaterial transmission lines that have been proposed so far, namely the CL-loaded lines, and those lines based on the resonant type approach. The latter category comprises both artificial lines loaded with split ring resonators (SRRs), or related topologies, and metamaterial transmission lines based on complementary split ring resonators (CSRRs). It will be the main aim of this paper to clearly justify the circuit elements of the models (and link such elements to the line physics and topology), to compare the different lines to the light of these models, and to point out the advantages and drawbacks of the different metamaterial transmission lines. As long as metamaterial transmission lines are exhaustively used for the design of compact microwave and millimeter wave components with improved performance and/or based on new functionalities, and their synthesis is based on the lumped element equivalent circuits, this paper is of actual interest for RF/microwave engineers and in general to those readers involved in metamaterial research and applications. © 2008 Versita Warsaw and Springer-Verlag Berlin Heidelberg.
Original languageEnglish
Pages (from-to)226-236
JournalOpto-electronics Review
Publication statusPublished - 1 Jan 2008


  • Complementary split ring resonator
  • Coplanar wave guide technology
  • Metamaterials
  • Microstrip technology
  • Split ring resonator
  • Transmission line

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