Terahertz dipole antenna performance enhancement using a photonic-bandgap GaAs substrate

A terahertz dipole antenna grown on a photonic-bandgap (PBG) GaAs substrate is presented. The desired PBG structure is utilized to reduce the thick GaAs substrates effects on the efficiency and the main beam direction. Simulated results show that a directivity of 8.7 dBi can be achieved in the upper...

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Bibliographic Details
Published inThe 8th European Conference on Antennas and Propagation (EuCAP 2014) pp. 1015 - 1017
Main Authors Wenfei Yin, Khamas, Salam K., Hogg, Richard A.
Format Conference Proceeding
LanguageEnglish
Published European Association on Antennas and Propagation 01.04.2014
Subjects
Dipole antennas
GaAs substrate
Gallium arsenide
Impedance
Lenses
PBG
Substrates
surface-wave
Terahertz
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Summary:A terahertz dipole antenna grown on a photonic-bandgap (PBG) GaAs substrate is presented. The desired PBG structure is utilized to reduce the thick GaAs substrates effects on the efficiency and the main beam direction. Simulated results show that a directivity of 8.7 dBi can be achieved in the upper half space with a considerably higher input impedance.
ISSN:2164-3342
DOI:10.1109/EuCAP.2014.6901938