Triangular Lattice Dielectric EBG Antenna

A novel electromagnetic band-gap (EBG) antenna based on a triangular lattice of dielectric rods is presented and analyzed using an in-house developed finite-difference-time-domain software simulator. The design steps and the simulations results are presented, focusing on the design of antenna struct...

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Bibliographic Details
Published inIEEE antennas and wireless propagation letters Vol. 9; pp. 95 - 98
Main Authors Biancotto, Claudio, Record, Paul
Format Journal Article
LanguageEnglish
Published New York IEEE 2010
The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subjects
Analytical models
Antenna measurements
Band-gap
Bandwidth
Dielectric measurements
Electromagnetic analysis
electromagnetic band-gap (EBG) antenna
Finite difference methods
Gain measurement
Lattices
Metamaterials
Periodic structures
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Summary:A novel electromagnetic band-gap (EBG) antenna based on a triangular lattice of dielectric rods is presented and analyzed using an in-house developed finite-difference-time-domain software simulator. The design steps and the simulations results are presented, focusing on the design of antenna structures with high directivity patterns on the H-plane. Finally, the measurement results of a set of experiments carried out on a prototype designed and built to operate in the X-band are presented and discussed, showing very good agreement with simulations: 31% fractional bandwidth and an average gain of 11.5 dBi are achieved within the bandwidth with 27 dB front-to-back-ratio in the azimuthal plane.
ISSN:1536-1225
1548-5757
DOI:10.1109/LAWP.2010.2043494