A Lightweight Spherical Generalized Luneburg Lens Antenna With Low Cross-Polarization Over a Wide Range in Azimuth and Elevation

Autor: Maral Ansari, Oskar Zetterstrom, Nelson J. G. Fonseca, Oscar Quevedo-Teruel, Y. Jay Guo

Publikováno v: IEEE Open Journal of Antennas and Propagation, Vol 5, Iss 1, Pp 58-66 (2024)

In this paper, a novel dual-slant polarized three-dimensional (3D) periodic Luneburg lens with a diameter of 390 mm ( $4.6\lambda _{0}$ at 3.55 GHz) is presented. Copper-plated cubes with truncated corners are placed in a body-centered cubic (BCC) la

Externí odkaz: https://doaj.org/article/3acc58d3ec4347e3b5040e62f6471393

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Optimization of Three-Dimensional Multi-Shell Dielectric Lens Antennas to Radiate Multiple Shaped Beams for Cellular Radio Coverage

Autor: Hsi-Tseng Chou, Yi-Sheng Chang, Hao-Ju Huang, Zhi-Da Yan, Titipong Lertwiriyaprapa, Danai Torrungrueng

Publikováno v: IEEE Access, Vol 7, Pp 182974-182982 (2019)

In this paper, a multi-shell spherical dielectric lens antenna is synthesized to radiate multi-beams with optimum shaped patterns for radio coverage at millimeter wave (mmW) frequencies. In particular, the design considers the composing characteristi

Externí odkaz: https://doaj.org/article/53ff01fe3c7549a08917fb3497166073

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Metasurface Augmented Lens Antennas

Autor: Zelenchuk, Dmitry, Alali, Bader

Publikováno v: Zelenchuk, D & Alali, B 2022, Metasurface Augmented Lens Antennas . in 2022 International Workshop on Antenna Technology, iWAT 2022: Proceedings . Institute of Electrical and Electronics Engineers Inc., pp. 274-276, 2022 International Workshop on Antenna Technology, iWAT 2022, Dublin, Ireland, 16/05/2022 . https://doi.org/10.1109/iWAT54881.2022.9811034

In this paper the theoretical methodology of lens antennas augmented with metasurfaces is proposed and demonstrated with a 28 GHz 2D Luneburg lens. The paper presents details on a method of images to design a metasurface augmenting a lens antenna. Th

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a5fbed6d5e991df3d746be5ef47bed71
https://doi.org/10.1109/iwat54881.2022.9811034