This research extensively explores contemporary techniques in Underwater Wireless Power
and Data Transfer (WPDT), as found in recent literature over the past 5 years. These …

Several RF and microwave radiating devices, such as horn antennas, Fabry–Perot cavity
antennas, and aperture-fed focusing devices, are excited through rectangular waveguides …

Bessel beams (BBs) can be generated at microwave frequencies by means of compact,
planar devices based on Fabry–Perot cavity leaky-wave resonators. Most designs are based …

Resonant Bessel-beam launchers are low-cost, planar, miniaturized devices capable of
focusing electromagnetic radiation in a very efficient way in various frequency ranges, with …

Cylindrical vector beams (CVBs) are radially polarized or azimuthally polarized beams in the
radiative near field. They resist diffraction within the Fresnel zone and exhibit a tighter …

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 …

Transverse-electric (TE) polarized Bessel-beam launchers working at millimeter-wave
frequencies are theoretically described, simulated, realized, and experimentally validated. A …

In this article, two 3-D-printed all-dielectric meta-structures that can produce diffraction-free
self-acceleration beams with different transverse intensity profiles are proposed in the …

Near-field (NF) antennas have been successfully adopted in several wireless applications.
To exploit the high reconfigurability of array antennas, multiple synthesis techniques for …

The power transfer efficiency of a partially obstructed wireless link operating in the Fresnel
region is studied in this work. The wireless link consists of two equal apertures, axially …