Complementary split-ring resonator for compact waveguide filter design

N. Ortiz, J. D. Baena, M. Beruete, F. Falcone, M. A.G. Laso, T. Lopetegi, R. Marqués, F. Martín, J. García-García, M. Sorolla

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    35 Citations (Scopus)


    In this paper, the potential use of complementary splitring resonators (CSRRs) to design very compact waveguide filters, by etching a CSRR in the center of a metallic sheet, is demonstrated. This original layout reduces the dimensions of the well-known resonant-cavity waveguide filters coupled by irises. This has been made feasible due to the self-resonance property of the CSRR. Thus, it is possible to design waveguide filters with lengths equal to the thickness of a metallic sheet. Consequently, this technique paves the way for the design of miniaturized waveguide filters, in contrast to conventional waveguide filters, based on bulk resonators. © 2005 Wiley Periodicals, Inc.
    Original languageEnglish
    Pages (from-to)88-92
    JournalMicrowave and Optical Technology Letters
    Publication statusPublished - 5 Jul 2005


    • Complementary split-ring resonators
    • Iris filters
    • Split-ring resonators
    • Waveguide filters


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