The paper shows that it is possible to simultaneously generate, in the microwave frequency band, several pseudo- Bessel beams having an azimuthal field variation, characteristic of vortex modes, by making use of a single flat antenna. Specifically, a radial line slot array has been designed to prove the concept. The design benefits of a Butler matrix network to provide the correct phase progression along the azimuthal coordinate, and it makes use of a holographic approach to assure the required aperture field distribution.

Simultaneous Generation of Pseudo-Bessel Vortex Modes with a RLSA / Mazzinghi, A.; Freni, A.. - In: IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS. - ISSN 1536-1225. - STAMPA. - 16:(2017), pp. 1747-1750. [10.1109/LAWP.2017.2671838]

Simultaneous Generation of Pseudo-Bessel Vortex Modes with a RLSA

MAZZINGHI, AGNESE;FRENI, ANGELO
2017

Abstract

The paper shows that it is possible to simultaneously generate, in the microwave frequency band, several pseudo- Bessel beams having an azimuthal field variation, characteristic of vortex modes, by making use of a single flat antenna. Specifically, a radial line slot array has been designed to prove the concept. The design benefits of a Butler matrix network to provide the correct phase progression along the azimuthal coordinate, and it makes use of a holographic approach to assure the required aperture field distribution.
2017
16
1747
1750
Mazzinghi, A.; Freni, A.
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Utilizza questo identificatore per citare o creare un link a questa risorsa: https://hdl.handle.net/2158/1075859
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