Two-dimensional beam steering using a stacked modulated geodesic Luneburg lens array antenna for 5G and beyond

P Castillo-Tapia, O Zetterstrom… - … on Antennas and …, 2022 - ieeexplore.ieee.org
Antennas for future communication systems are required to be highly directive and steerable
to compensate for the high path loss in the millimeter-wave band. In this work, we propose a …

Two-dimensional glide-symmetric dielectric structures for planar graded-index lens antennas

JM Poyanco, O Zetterstrom… - IEEE Antennas and …, 2021 - ieeexplore.ieee.org
In this letter, we propose and study a 2-D glide-symmetric dielectric periodic structure. We
demonstrate that glide symmetry broadens the bandwidth of operation and achieves lower …

Geodesic H-plane horn antennas

M Chen, F Mesa… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
This article describes a detailed procedure that allows for a time-efficient design of fully
metallic geodesic H-plane horn antennas using an in-house ray-tracing method together …

V-band fully metallic geodesic Luneburg lens antenna

O Zetterstrom, M Petek, P Castillo-Tapia… - … on Antennas and …, 2022 - ieeexplore.ieee.org
Antennas in emerging millimeter-wave (mm-wave) applications are often required to have
low losses and produce a steerable directive beam. These properties are achievable with …

Topological waves guided by a glide-reflection symmetric crystal interface

JA Iglesias Martínez, N Laforge, M Kadic, V Laude - Physical Review B, 2022 - APS
A domain wall separating two different topological phases of the same crystal can support
the propagation of backscattering-immune guided waves. In valley-Hall and quantum-Hall …

Beam manipulation of antenna with large frequency-scanning angle based on field confinement of spoof surface plasmon polaritons

HR Zu, B Wu, T Su - IEEE Transactions on Antennas and …, 2021 - ieeexplore.ieee.org
In this communication, we propose glide-symmetric double-layer (DL) spoof surface
plasmon polaritons (SSPPs) structures for controlling the field confinement of SSPPs to …

Efficient Bloch analysis of general periodic structures with a linearized multimodal transfer-matrix approach

F Giusti, Q Chen, F Mesa, M Albani… - … on Antennas and …, 2022 - ieeexplore.ieee.org
A systematic and efficient multimodal transfer-matrix approach is proposed for the
comprehensive Bloch analysis of general 1-D/2-D/3-D periodic structures. We provide a …

Anisotropic glide-symmetric substrate-integrated-holey metasurface for a compressed ultrawideband Luneburg lens

Q Chen, F Giusti, G Valerio, F Mesa… - Applied Physics …, 2021 - pubs.aip.org
An anisotropic unit cell based on glide symmetry is proposed for tailoring a metasurface that
engineers an optically transformed Luneburg lens. Thanks to the optical transformation, the …

Exploring the potential of the multi-modal equivalent circuit approach for stacks of 2-D aperture arrays

A Alex-Amor, F Mesa… - … on Antennas and …, 2021 - ieeexplore.ieee.org
Many frequency-selective surface (FSS) structures are based on the use of a single periodic
array of slot/apertures in a conducting sheet embedded in a layered medium. However, it is …

Dual-band antenna with large beam steering angle incorporating endfire and frequency scanning modes using double-layer SSPPs structure

HR Zu, B Wu, YT Zhao, T Su… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
A dual wideband antenna with a large beam steering angle through endfire radiation and
frequency scanning radiation in each band is proposed for the first time. The antenna utilizes …