Analysis and design of periodic leaky-wave antennas for the millimeter waveband in hybrid waveguide-planar technology

This work presents a full-wave integral equation approach specifically conceived for the analysis and design of laterally-shielded rectangular dielectric waveguides, periodically loaded with planar perturbations of rectangular shape. This type of open periodic waveguide supports the propagation of l...

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Bibliographic Details
Published in:IEEE transactions on antennas and propagation 2005-09, Vol.53 (9), p.2834-2842
Main Authors: Gomez-Tornero, J.L., Quesada-Pereira, F.D., Alvarez-Melcon, A.
Format: Article
Language:English
Subjects:
Antennas
Applied sciences
Computer programs
Construction
Design engineering
Dielectric waveguides
Dielectrics
Electromagnetic waveguides
Exact sciences and technology
Floquet modes analysis
Integral equations
Leaky wave antennas
Loaded waveguides
Millimeter wave propagation
Millimeter wave technology
millimeter waveband
periodic antennas
Perturbation methods
Planar waveguides
Radiocommunications
Rectangular waveguides
Shape
Telecommunications
Telecommunications and information theory
Wave propagation
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Summary:This work presents a full-wave integral equation approach specifically conceived for the analysis and design of laterally-shielded rectangular dielectric waveguides, periodically loaded with planar perturbations of rectangular shape. This type of open periodic waveguide supports the propagation of leaky-wave modes, which can be used to build leaky-wave antennas which exhibit many desirable features for millimeter waveband applications. The particularities of the leaky-mode analysis theory are described in this paper, and comparisons with other methods are presented for validation purposes. Using this leaky-mode analysis method, a novel periodic leaky-wave antenna is presented and designed. This novel antenna shows some important improvements with respect to the features of previously proposed antennas. The results of the designed radiation patterns are validated with three-dimensional electromagnetic analysis using commercial software.
ISSN:0018-926X
1558-2221
DOI:10.1109/TAP.2005.854562