An efficient and accurate semi-analytical matching technique for waveguide-fed antennas

E Negri, W Fuscaldo, S Tofani, P Burghignoli… - Scientific Reports, 2024 - nature.com
Several RF and microwave radiating devices, such as horn antennas, Fabry–Perot cavity
antennas, and aperture-fed focusing devices, are excited through rectangular waveguides …

Design of TE-polarized resonant Bessel-beam launchers for wireless power transfer links in the radiative near-field region

E Negri, F Benassi, W Fuscaldo, D Masotti… - International Journal of …, 2024 - cambridge.org
Resonant Bessel-beam launchers (BBLs) are radiating devices constituted by a cylindrical
metallic cavity with a partially reflecting sheet (PRS) on top. Millimeter-wave resonant BBLs …

Innovative Application Contexts for Focusing Devices based on Leaky Waves

E Negri, W Fuscaldo, P Burghignoli… - 2023 IEEE International …, 2023 - ieeexplore.ieee.org
Nowadays, there exist many kinds of devices capable to generate focused electromagnetic
radiation with reduced diffraction in the near field, such as Bessel beams. Among them …