ArticleiScience2022
Metasurface-based THz reflectarray antenna with vortex multiplexing and beam-steering capabilities for future wireless communications.
Article in iScience, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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Who cites it
3 citing papers in PubMed.
- Flexible terahertz beam manipulation and convolution operations in light-controllable digital coding metasurfaces.iScience · 2025Article
- Characteristics of antenna fabricated using additive manufacturing technology and the potential applications.Heliyon · 2024Review
- High-Efficiency Dynamic Terahertz Deflector Utilizing a Mechanically Tunable Metasurface.Research (Washington, D.C.) · 2023Article
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Authors and funding
4 authors.
Funding
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Abstract
This article investigates the unexplored potentials of vortices or orbital angular momentum (OAM) beams using the low-cost and high-gain dielectric reflectarray antennas (RAs) at the terahertz (THz) band. It proposes a paradigm to enable 3D beam-steering or OAM multiplexing by a single structure via tilted OAM beams. That, in turn, requires reaching the maximal attainable angles either to send multiple beams to different receivers or to focus the OAM beams of different modes in a desired direction. For this reason, two concepts are addressed in this work: (i). generating a single 3D steered OAM beam and (ii) producing multiple off-centered OAM beams with different modes. A volumetric unit cell is adopted to be accurately tuned through the aperture to steer the generated beams towards the desired direction(s). The proposed paradigm can be utilized to produce RAs with beam-steering or OAM multiplexing capabilities as candidates for THz indoor communications.
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