Topology Optimization of Sub-Wavelength Antennas

Publication: Research - peer-reviewJournal article – Annual report year: 2011

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We propose a topology optimization strategy for the systematic design of a three-dimensional (3D), conductor-based sub-wavelength antenna. The post-processed finite-element (FE) models of the optimized structure are shown to be self-resonant, efficient and exhibit distorted omnidirectional, elliptically polarized far-field radiation patterns. The computed approximate Q value for this antenna is QZ0)≈ 7.74 for ω0=2π × 350.8 MHz and it is 1.64 times larger than the theoretical lower bound value.
Original languageEnglish
JournalI E E E Transactions on Antennas and Propagation
Publication date2011
Volume59
Issue1
Pages58-69
ISSN0018-926X
DOIs
StatePublished

Bibliographical note

This work was supported in part by the Danish Agency for Science, Technology and Innovation through the grant “Topology Optimization of Electromagnetic Metamaterials for Miniaturization of Wireless Communication Antennas (TopAnt)” and in part by an Eurohorcs/ESF European Young Investigator Award (EURYI, www.esf.org/euryi).

CitationsWeb of Science® Times Cited: 10

Keywords

  • Antenna design, Tpology optimization, Q factor, Eectrically small antennas
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