A roadmap for the generation of Bessel beams: Challenges and opportunities from microwave to terahertz frequencies

W Fuscaldo, SC Pavone - 2023 17th European Conference on …, 2023 - ieeexplore.ieee.org
The focused character and the limited-diffraction properties of Bessel beams make them
attractive in various modern applications, such as wireless power transfer, medical imaging …

Microwave tomography with LSTM-based processing of the scattered field

A Fedeli - IEEE Open Journal of Antennas and Propagation, 2021 - ieeexplore.ieee.org
The quantitative inspection of unknown targets or bodies by means of microwave
tomography requires a proper modeling of the field scattered by the structures under test …

Improving physical optics approximation through Bessel beam scattering

SC Pavone, G Sorbello… - IEEE Antennas and …, 2021 - ieeexplore.ieee.org
In this letter, the scattering of a nondiffractive Bessel beam (BB) incident field by a perfect
electric conducting circular cylinder is investigated and compared with the standard …

Super-resolution performance studies for orbital-angular-momentum-based imaging radar

T Yang, H Shi, J Guo, D Liu, Z Qiao - International Journal of …, 2021 - Taylor & Francis
Vortex electromagnetic (EM) wave carrying orbital angular momentum (OAM), whose unique
wavefront distribution exhibits angular diversity characteristics, which provides a richer …

A simple procedure to design virtual experiments for microwave inverse scattering

MT Bevacqua, R Palmeri, T Isernia… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
In a virtual experiment (VE), the data available to solve an inverse scattering problem are
linearly combined in order to make the inversion task simpler. This goal is achieved by …

Effects of a cylindrical metallic cavity on the radiation of longitudinally polarized limited-diffractive Bessel beams

SC Pavone, L Di Donato… - IEEE Antennas and …, 2022 - ieeexplore.ieee.org
This letter deals with the problem of evaluating the effect of a cylindrical metallic cavity on
the radiation of a planar longitudinally polarized Bessel beam launcher, as it could arise in …

Microwave Imaging with Circular Arrays: Comparative Analysis between OAM and MIMO

A Veneri, P Burghignoli… - IEEE Transactions on …, 2024 - ieeexplore.ieee.org
The rotating phase of orbital angular momentum (OAM) waves can bring new degrees of
freedom in the wireless communication and microwave imaging realms, and more generally …

Analysis of a nonlinear technique for microwave imaging of targets inside conducting cylinders

A Fedeli, M Pastorino, A Randazzo, GL Gragnani - Electronics, 2021 - mdpi.com
Microwave imaging of targets enclosed in circular metallic cylinders represents an
interesting scenario, whose applications range from biomedical diagnostics to …

On the radiation of a longitudinally-polarized Bessel beam in a PEC cylindrical cavity

SC Pavone, L Di Donato… - 2023 17th European …, 2023 - ieeexplore.ieee.org
This contribution deals with the evaluation of effects of a cylindrical metallic cavity on the
radiation of a planar longitudinally-polarized Bessel beam launcher, and it is related to …

Research Advances in Vortex Radar Imaging Technology

G Zhongyi, W Yunlai, W Yanzhe, G Kai - 雷达学报, 2021 - radars.ac.cn
Vortex electromagnetic wave carries the Orbital Angular Momentum (OAM), and thus has a
spiral wavefront structure, which contains the azimuthal information of the target in the echo …