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- Title
Analysis of a uniform rectangular array for generation of arbitrary orbital angular momentum (OAM) modes.
- Authors
Cho, Y. H.; Byun, W. J.
- Abstract
Using the array antenna theory, theoretical radiation and near-field characteristics of a uniform rectangular array (URA) for high-gain or wide-beamwidth orbital angular momentum waves have been rigorously studied. Closed-form weighting factors of URA elements are derived based on the Hankel transform proposed for aperture antennas. Simulated radiation patterns and near-field distributions show that a URA configuration is superior to a uniform circular array in terms of antenna gain, beamwidth, and beam-scanning capability.
- Subjects
ANGULAR momentum (Mechanics); INFRARED array detectors; NEAR-fields; ARRAY processors; HANKEL functions
- Publication
Electronics Letters (Wiley-Blackwell), 2019, Vol 55, Issue 9, p503
- ISSN
0013-5194
- Publication type
Article
- DOI
10.1049/el.2019.0190