A modified pole-zero technique for the synthesis of waveguide leaky-wave antennas loaded with dipole-based FSS

María García-Vigueras, José Luis Gómez-Tornero, George Goussetis, Juan Sebastian Gomez Diaz, Alejandro Álvarez-Melcón

Research output: Contribution to journalArticle

18 Citations (Scopus)

Abstract

An extension of the pole-zero matching method proposed by Stefano Maci for the analysis of electromagnetic bandgap (EBG) structures composed by lossless dipole-based frequency selective surfaces (FSS) printed on stratified dielectric media, is presented in this paper. With this novel expansion, the dipoles length appears as a variable in the analytical dispersion equation. Thus, modal dispersion curves as a function of the dipoles length can be easily obtained with the only restriction of single Floquet mode propagation. These geometry-dispersion curves are essential for the efficient analysis and design of practical EBG structures, such as waveguides loaded with artificial magnetic conductors (AMC) for miniaturization, or leaky-wave antennas (LWA) using partially reflective surfaces (PRS). These two practical examples are examined in this paper. Results are compared with full-wave 2D and 3D simulations showing excellent agreement, thus validating the proposed technique and illustrating its utility for practical designs.

Original languageEnglish (US)
Article number5439876
Pages (from-to)1971-1979
Number of pages9
JournalIEEE Transactions on Antennas and Propagation
Volume58
Issue number6
DOIs
StatePublished - Jun 1 2010
Externally publishedYes

Fingerprint

Frequency selective surfaces
Poles
Waveguides
Antennas
Energy gap
Geometry

Keywords

  • Artificial magnetic conductors (AMC)
  • Electromagnetic bandgap structures (EBG)
  • Frequency selective surfaces (FSS)
  • Leaky-wave antennas (LWA)
  • Partially reflective surfaces (PRS)
  • Periodic surfaces
  • Transmission line networks

ASJC Scopus subject areas

  • Electrical and Electronic Engineering

Cite this

A modified pole-zero technique for the synthesis of waveguide leaky-wave antennas loaded with dipole-based FSS. / García-Vigueras, María; Gómez-Tornero, José Luis; Goussetis, George; Gomez Diaz, Juan Sebastian; Álvarez-Melcón, Alejandro.

In: IEEE Transactions on Antennas and Propagation, Vol. 58, No. 6, 5439876, 01.06.2010, p. 1971-1979.

Research output: Contribution to journalArticle

García-Vigueras, María ; Gómez-Tornero, José Luis ; Goussetis, George ; Gomez Diaz, Juan Sebastian ; Álvarez-Melcón, Alejandro. / A modified pole-zero technique for the synthesis of waveguide leaky-wave antennas loaded with dipole-based FSS. In: IEEE Transactions on Antennas and Propagation. 2010 ; Vol. 58, No. 6. pp. 1971-1979.
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