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

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4 Author(s)
Jos Luis Gmez-Tornero ; Departamento de Tecnologias de la Informacion y las Comunicaciones, Univ. Politecnica de Cartagena ; George Goussetis ; Alexandros P. Feresidis ; Alejandro Alvarez Melcn

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

Published in:

IEEE Transactions on Antennas and Propagation  (Volume:54 ,  Issue: 11 )