Control of Leaky-Mode Propagation and Radiation Properties in Hybrid Dielectric-Waveguide Printed-Circuit Technology: Experimental Results

Experimental results are presented to show how a planar circuit, printed on a laterally shielded dielectric waveguide, can induce and control the radiation from a leaky-mode. By studying the leaky-mode complex propagation constant, a desired radiation pattern can be synthesized, controlling the main...

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Bibliographic Details
Published in:IEEE transactions on antennas and propagation 2006-11, Vol.54 (11), p.3383-3390, Article 3383
Main Authors: Gomez-Tornero, Jos Luis, Goussetis, George, Feresidis, Alexandros P., Melcon, Alejandro Alvarez
Format: Article
Language:English
Subjects:
Accuracy
Antenna design
Antenna radiation patterns
Antennas
Antennas and propagation
Applied sciences
Circuits
Dielectric properties
Dielectric waveguides
Dielectrics
Electromagnetic waveguides
Exact sciences and technology
Frequency
Hollow waveguides
Hybrid waveguide printed circuit technology
Leaky wave antennas
Lighting
Propagation constant
Radiocommunications
Rectangular waveguides
Sidelobes
sidelobes level control
tapering antennas
Telecommunications
Telecommunications and information theory
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Description
Summary:Experimental results are presented to show how a planar circuit, printed on a laterally shielded dielectric waveguide, can induce and control the radiation from a leaky-mode. By studying the leaky-mode complex propagation constant, a desired radiation pattern can be synthesized, controlling the main radiation characteristics (pointing direction, beamwidth, sidelobes level) for a given frequency, This technique leads to very flexible and original leaky-wave antenna designs. The experiments show to be in very good agreement with the leaky-mode theory
ISSN:0018-926X
1558-2221
DOI:10.1109/TAP.2006.884298