During the past several decades, the multimode resonator (MMR) technique has been
extensively investigated and widely used, with successful exploration of a variety of high …

For many communication systems, including wireless networks, mobile, satellite, radar,
remote sensing, and many more applications, antenna arrays are very necessary. Utilizing …

Metasurface holography has shown great potentials to reconstruct the full‐wave information
of electromagnetic (EM) waves, bringing benefits of high spatial resolution and good …

This letter presents a novel transmission metasurface to achieve orbital angular momentum
(OAM) waves at the X-band. The unit cell of the proposed metasurface consists of three …

Transmissive and reflective metasurfaces have been extensively studied for generating an
orbital angular momentum (OAM)-carrying beam. However, the existing OAM generators …

A dual-polarized dual-mode orbital angular momentum (OAM) microstrip antenna array is
presented. The OAM radio beams are generated by employing a four-element antenna array …

Orbital angular momentum (OAM) is an intrinsic property that all electromagnetic waves can
carry. Interesting properties of OAM beams have enabled many novel applications. But …

A reflectarray for generating wideband circularly polarized (CP) orbital angular momentum
(OAM) vortex wave in the X-band is proposed. First, a dual linearly polarized (LP) element …

A circular polarization (CP) and mode reconfigurable wideband orbital angular momentum
(OAM) patch array antenna is presented. The proposed design is based on a reconfigurable …

In this letter, a 2× 2 low-profile broadband triple-mode orbital angular momentum (OAM)
array antenna is presented, which can be dynamically controlled with electrostatic method …