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Title: Tailoring the AMC and EBG characteristics of periodic metallic arrays printed on grounded dielectric substrate
Authors: Goussetis, George
Feresidis, Alexandros P.
Vardaxoglou, J.C.
Keywords: Artificial magnetic conductor (AMC)
Electromagnetic band gap (EBG)
Frequency selective surface (FSS)
Metamaterials
Issue Date: 2006
Publisher: © Institute of Electrical and Electronics Engineers (IEEE)
Citation: GOUSSETIS, G., FERESIDIS, A.P. and VARDAXOGLOU, J.C., 2006. Tailoring the AMC and EBG characteristics of periodic metallic arrays printed on grounded dielectric substrate. IEEE Transactions on Antennas and Propagation, 54 (1), pp. 82 - 89
Abstract: The artificial magnetic conductor (AMC) and electromagnetic band gap (EBG) characteristics of planar periodic metallic arrays printed on grounded dielectric substrate are investigated. The currents induced on the arrays are presented for the first time and their study reveals two distinct resonance phenomena associated with these surfaces. A new technique is presented to tailor the spectral position of the AMC operation and the EBG. Square patch arrays with fixed element size and variable periodicities are employed as working examples to demonstrate the dependence of the spectral AMC and EBG characteristics on array parameters. It is revealed that as the array periodicity is increased, the AMC frequency is increased, while the EBG frequency is reduced. This is shown to occur due to the different nature of the resonance phenomena and the associated underlying physical mechanisms that produce the two effects. The effect of substrate thickness is also investigated. Full wave method of moments (MoM) has been employed for the derivation of the reflection characteristics, the currents and the dispersion relations. A uniplanar array with simultaneous AMC and EBG operation is demonstrated theoretically and experimentally.
Description: This article was published in the journal, IEEE Transactions on Antennas and Propagation [© IEEE], and is available at: http://dx.doi.org/10.1109/TAP.2005.861575. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.
Sponsor: This work was supported in part by the U.K. EPSRC under Grant EP/C510607/1.
Version: Published
DOI: 10.1109/TAP.2005.861575
URI: https://dspace.lboro.ac.uk/2134/9423
Publisher Link: http://dx.doi.org/10.1109/TAP.2005.861575
ISSN: 0018-926X
Appears in Collections:Published Articles (Electronic, Electrical and Systems Engineering)

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