Archivio Istituzionale della RicercaIn this work, the procedure for the design of innovative reflectarray (RA) antennas able to radiate multiple Orbital Angular Momentum (OAM) modes is introduced. Extending the concepts at the base of multifocal lenses, the RA is designed in such a way that, depending on the direction of arrival of the incident field, it radiates a broadside beam carrying an OAM with different index. As a proof of concept, a circular RA with diameter D = 20λ at the the frequency f0 = 30 GHz, able to radiate OAMs with l = 2 and l = 4 has been designed. The results obtained through its full-wave simulation, confirm the effectiveness of the proposed solution.
Single layer Multimodal OAM Reflectarray / Beccaria, M.; Pirinoli, P.. - ELETTRONICO. - (2022), pp. 1-4. (Intervento presentato al convegno European Conference on Antennas and Propagation (EuCAP) tenutosi a Madrid, Spain nel 27 March 2022 - 01 April 2022) [10.23919/EuCAP53622.2022.9769411].
Single layer Multimodal OAM Reflectarray
Beccaria, M.;Pirinoli, P.
2022
Abstract
In this work, the procedure for the design of innovative reflectarray (RA) antennas able to radiate multiple Orbital Angular Momentum (OAM) modes is introduced. Extending the concepts at the base of multifocal lenses, the RA is designed in such a way that, depending on the direction of arrival of the incident field, it radiates a broadside beam carrying an OAM with different index. As a proof of concept, a circular RA with diameter D = 20λ at the the frequency f0 = 30 GHz, able to radiate OAMs with l = 2 and l = 4 has been designed. The results obtained through its full-wave simulation, confirm the effectiveness of the proposed solution.
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Single_layer_Multimodal_OAM_Reflectarray.pdf
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EuCAP_22_OAMRA_v5.pdf
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https://hdl.handle.net/11583/2975549