In this article, we propose a method based on the aperture antennas theory to understand the limitations of orbital angular momentum (OAM) antennas in far-field links. Additional insight is also given by analyzing the properties of the operators relating source and farfield distributions for a given order of the vortex and emphasizing additional drawbacks. The degrees-of-freedom (DoF) of the fields associated with the different orders of the vortices are also discussed.
Orbital Angular Momentum Antennas: Understanding Actual Possibilities Through the Aperture Antennas Theory / Morabito, A. F.; Di Donato, L.; Isernia, T. - In: IEEE ANTENNAS & PROPAGATION MAGAZINE. - ISSN 1045-9243. - 60:2(2018), pp. 59-67. [10.1109/MAP.2018.2796445]
Orbital Angular Momentum Antennas: Understanding Actual Possibilities Through the Aperture Antennas Theory
A. F. Morabito
;Isernia T
2018-01-01
Abstract
In this article, we propose a method based on the aperture antennas theory to understand the limitations of orbital angular momentum (OAM) antennas in far-field links. Additional insight is also given by analyzing the properties of the operators relating source and farfield distributions for a given order of the vortex and emphasizing additional drawbacks. The degrees-of-freedom (DoF) of the fields associated with the different orders of the vortices are also discussed.| File | Dimensione | Formato | |
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