A Linear Array of Skewed Dipoles With Asymmetric Radiation Pattern for Angular Filtering

Journal article (2020)

Authors

C. Yepes Julia Tera-Hertz Sensing - EEMCS , TNO
E. Gandini TNO, Tera-Hertz Sensing - EEMCS
S Monni TNO
A. Neto Tera-Hertz Sensing - EEMCS
FE van Vliet TNO, University of Twente
D. Cavallo Tera-Hertz Sensing - EEMCS
Research Group
Tera-Hertz Sensing (EEMCS) (TU Delft)
Copyright: © 2020 C. Yepes Julia, E. Gandini, S. Monni, A. Neto, F. E. van Vliet, D. Cavallo
DOI
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https://doi.org/10.1109/LAWP.2020.2971347
Antenna arrays Antenna arrays Angular filtering Pattern asymmetry Tilted dipole array Pattern asymmetry Tilted dipole array
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Published Date

2020

Language

English

Reuse Rights

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Faculty

Electrical Engineering, Mathematics and Computer Science

Department

Microelectronics

Research Group

Tera-Hertz Sensing

Abstract

In this letter, we present a design of a linear array of tilted dipoles to achieve radiation patterns with asymmetric angular filtering characteristics. To realize the asymmetric radiation, the dipole elements are spaced by a distance larger than half a wavelength, thus allowing for grating lobes to occur in the visible region. Moreover, the dipoles are loaded with artificial dielectrics to increase the front-to-back ratio and consequently to enable higher gain in certain desired angular regions. Based on the design, a linear array with ten elements is manufactured and tested. The measured results show the ability of such an array to achieve stable gain from broadside up to 90° scanning while implementing a stopband angular filter for negative scanning angles.