Optical vortices (OVs) carrying orbital angular momentum (OAM) have attracted
considerable interest in the field of optics and photonics owing to their peculiar optical …

Metasurfaces, composed of specifically designed subwavelength units in a two-dimensional
plane, offer a new paradigm to design ultracompact optical elements that show great …

Vector vortex beams have attracted considerable research attention owing to their unique
optical properties, and have been explored in vortex filtering, photon entanglement, and the …

This article reviews recent progress leading to the generation of optical vortex beams. After
introducing the basics of optical vortex beams and their promising applications, we …

Metasurfaces are planar metamaterials exhibiting certain inhomogeneous phase
distributions for transmitted or reflected waves, which can efficiently reshape the wave‐fronts …

A perfect vortex beam (PVB) is a propagating optical field carrying orbital angular
momentum (OAM) with a radial intensity profile that is independent of topological charge …

Infrared metasurface, especially that having a working range covering wavelengths from
0.75 to 25 μm, has been exploited as a revolutionary tool to manipulate the properties of …

Perfect vortex (PV) beams possessing annular intensity profiles independent of topological
charges promise significant advances in particle manipulation, fiber communication, and …

The facile synthesis of well‐aligned, main‐chain liquid crystalline elastomers that retain the
cholesteric phase (CLCEs) is reported. The selective reflection inherent to this phase is …

Optical vortex beam carrying orbit angular momentum has been extensively researched and
applied recently. Among which a perfect vortex beam (PVB) has attracted much attention …