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 …

A tutorial overview is presented on the principles of operation, physical modeling, and
design procedures for the class of planar radiators known as Fabry-Perot cavity antennas …

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 …

An open resonator antenna for orbital angular momentum (OAM) generation and dual-mode
application is proposed. The excitation of OAM mode is deduced by the open resonator …

Two-dimensional leaky-wave antennas (LWAs) are a class of planar, traveling-wave
radiators with attractive features of a low profile, ease of feeding, frequency reconfigurability …

This article presents the design, manufacturing and measurement of a fully dielectric leaky
wave antenna operating at 18 GHz. The antenna is composed of a grounded dielectric …

This work presents the theoretical and numerical design of a novel radiative near-field
wireless power transfer (WPT) system at millimeter waves (mm-waves), based on one TX …

Bessel-Gauss beams have mainly been proposed in optics as a solution for reducing the on-
axis intensity oscillations typical of Bessel beams. Previous investigations on Bessel-Gauss …

In this paper, we present an array-fed Fabry–Perot cavity antenna (FPCA) based on a
partially reflecting sheet (PRS) capable of generating a circularly polarized (CP), highly …

The generation of higher-order cylindrical leaky waves (HOCLWs) by means of canonical
electric or magnetic ring sources was discussed in Part I, where radiation formulas for such …