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Decoupling of multifrequency dipole antenna arrays for microwave imaging applications

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  • Additional Information
    • Contributors:
      Universidad Pública de Navarra. Departamento de Ingeniería Eléctrica y Electrónica; Nafarroako Unibertsitate Publikoa. Ingeniaritza Elektriko eta Elektronikoa Saila
    • Publication Information:
      Hindawi Publishing Corporation
    • Collection:
      Public University of Navarre: Academica-e
    • Abstract:
      The mutual coupling between elements of a multifrequency dipole antenna array is experimentally investigated by S-parameter measurements and planar near-field scanning of the radiated field. A multifrequency array with six dipoles is analyzed. In order to reduce the coupling between dipoles, a planarmetasurface is placed atop the array acting as superstrate. Themutual coupling of the antenna elements in the absence and presence of the superstrate is presented comparatively. Between 3 and 20 dB mutual coupling reduction is achieved when the superstrate is used. By scanning the field radiated by the antennas and far-field measurements of the radiation pattern, it is observed that the superstrate confines the radiated power, increases the boresight radiation, and reduces the endfire radiation. ; This research has been financially supported by METAMORPHOSE NoE funded by E. C. under contract no. NMP3- CT-2004-50252 and Spanish Government under project no. TEC2006-13248-C04-03/TCM.
    • File Description:
      application/pdf
    • Relation:
      International Journal of Antennas and Propagation Volume 2010 (2010), Article ID 843624; https://dx.doi.org/10.1155/2010/843624; 1687-5869 (Print); 1687-5877 (Electronic); https://hdl.handle.net/2454/24799
    • Accession Number:
      10.1155/2010/843624
    • Online Access:
      https://doi.org/10.1155/2010/843624
      https://hdl.handle.net/2454/24799
    • Rights:
      © 2010 E. Saenz et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. ; https://creativecommons.org/licenses/by/3.0/ ; Acceso abierto / Sarbide irekia ; info:eu-repo/semantics/openAccess
    • Accession Number:
      edsbas.4D8748CB