… OAM radio waves using circular Vivaldi antenna array in [8], … , did not integrate the antenna
array with feed network and … Feng, “Generation of OAM radio waves using circular Vivaldi …

… property of electromagnetic waves, can … frequency, which greatly alleviates the scarcity of
radio spectrum resources 1,2 . Due to its helical phase front, electromagnetic wave with OAM …

… , our proposed antenna array offers simplicity in its feeding mechanism. Furthermore, the
UCA-based Vivaldi antenna presents a novel approach for generating wideband OAM beams …

… between neighboring array elements is 2πl/N, and then an electromagnetic wave carrying
… A simple Vivaldi antenna array is suggested for generating wideband PS-OAM beams. The …

… CONCLUSION In this study, the helical circular array is proposed for vortex electromagnetic
waves with OAM. Unlike the … Feng, ”Generation of OAM radio waves using circular vivaldi …

… with an LP Vivaldi feed, which converts an incident LP wave into a … Theoretically, vortex
electromagnetic wave of each mode is … traditional approaches for generating OAM radio beams …

… of-the-art methods for generating OAM in the fields of light, radio, and sound waves. Because
of the … can be used in different forms of antennas, such as dipole antennas [98, 131], Vivaldi …

… generating OAM in the fields of light, radio, and sound waves. … antennas, such as dipole
antennas [2], [8], Vivaldi antennas [… 10, where the incident wave at radio frequencies is reflected …

… range of 3.68 to 5 GHz for generation of Orbital Angular Momentum (OAM) radio waves. …
of oAM radio waves using circular vivaldi antenna array," international Journal of Antennas and …

… circular antenna arrays (UCAs) for the generation and application of orbital angular momentum
(OAM) modes at millimeter-wave (mm-wave). … OAM designs for radio waves. First, an …