Sector PCS-EBG Antenna for Low-Cost High-Directivity Applications

This letter proposes a new topology of antenna based on the use of planar circularly symmetric electromagnetic band gap (PCS-EBG) with different periodicities. These periodicities are used to impose different propagation velocities of the dominant surface waves on different zones of the same dielect...

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Bibliographic Details
Published in:IEEE antennas and wireless propagation letters 2007, Vol.6, p.537-539
Main Authors: Ettorre, M., Bruni, S., Gerini, G., Neto, A., Llombart, N., Maci, S.
Format: Article
Language:English
Subjects:
Antenna feeds
Antennas
Antennas and propagation
Circularity
Dielectric substrates
Dielectrics
Dipole antennas
Dispersions
Excitation
Holography
Leaky-wave antennas
Manufacturing
millimeter-wave antennas
Optical surface waves
Periodic structures
printed dipoles
Prototypes
Surface waves
Topology
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Summary:This letter proposes a new topology of antenna based on the use of planar circularly symmetric electromagnetic band gap (PCS-EBG) with different periodicities. These periodicities are used to impose different propagation velocities of the dominant surface waves on different zones of the same dielectric substrate. The control of the dispersion characteristics guides the design together with the definition of a centered feed suitable to excite the surface waves. One prototype has been designed, manufactured and tested to prove the concept.
ISSN:1536-1225
1548-5757
DOI:10.1109/LAWP.2007.909967