Metasurfaces are 2D artificial materials consisting of arrays of metamolecules, which are
exquisitely designed to manipulate light in terms of amplitude, phase, and polarization state …

Metasurfaces are a topic of significant research and are used in various applications due to
their unique ability to manipulate electromagnetic waves in microwave and optical …

In the past several years, metasurfaces have emerged as one of the rapidly growing
research fields in optics. These ultrathin arrays composed of subwavelength meta-atoms …

A novel metasurface lens made of polarization-insensitive hexagonal units with honeycomb
lattice is provided for generating orbital angular momentum beams. The unit is composed of …

This article presents a polarization‐insensitive 1‐bit coding metasurface (CM) for dual‐band
orbital angular momentum (OAM) beam generation. The metasurface unit cell is composed …

In this paper, we present a Rotman lens-fed Fabry-Perot resonator antennas (FPRA) for
generating multi-mode OAM beams with low beam divergence. The Rotman lens works as a …

We fabricated and experimentally studied a wideband metamaterial comprising a 2D array
of annular antennas with Superconductor-Insulator-Normal metal-Insulator-Superconductor …

The theory of electron emission by metallic photocathodes under the exposure of long
wavelength lasers will be studied. Photon energy in long wavelength lasers is less than the …

Inhomogeneous metasurfaces as a periodic array of supercells in which each supercell
consists of different types of particles are good candidates for increasing the bandwidth in …

A programable 2-bit digital coding metasurfaces (DCMS) is presented for the generation of
multi-mode converged orbital angular momentum (OAM) waves. The designed DCMS …