Orbital Angular Momentum Antennas: Understanding Actual Possibilities Through the Aperture Antennas Theory

Authors :: Morabito, Andrea Francesco
Di Donato, Loreto
Isernia, Tommaso
Source :: IEEE Antennas and Propagation Magazine, pp. 59-67, Vol. 60, no 2, 2018
Publication Year :: 2017
Abstract: We propose a simple method based on the Aperture Antennas Theory to understand in a simple fashion limitations of OAM antennas in far-field links. Additional insight is also given by analyzing the properties of the operators relating source and far-field distributions for a given order of the vortex. The outcomes fully agree with the results recently achieved by Edfors, Craeye, and co-authors, and emphasize some additional draw-back. The "degrees of freedom" of the fields associated to the different orders of the vortices are also discussed.<br />Comment: 11 pages, 4 figures

Database :: arXiv
Journal :: IEEE Antennas and Propagation Magazine, pp. 59-67, Vol. 60, no 2, 2018
Publication Type :: Report
Accession number :: edsarx.1702.05667
Document Type :: Working Paper
Full Text :: https://doi.org/10.1109/MAP.2018.2796445

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