In recent years, vortex beams with orbital angular momentum (OAM) have attracted more
and more attention. The wavefront of the OAM beams is helical, the intensity at the center of …

In this paper, we present an approach called the free lens modulation (FLM) method to
generate high-perfection 3D generalized perfect optical vortices (GPOVs) with topological …

Orbital angular momentum (OAM) of an optical vortex has attracted great interest from the
scientific community due to its significant values in high-capacity optical communications …

Spatially twisted light with femtosecond temporal structure is of particular interest in strong-
field physics and light–matter interactions. However, present femtosecond vortex sources …

The perfect optical vortex (POV) has additional potential uses in optical trap** and optical
communication, due to its diameter being independent of its topological charge. In this study …

The perfect optical vortex (POV) beam carrying orbital angular momentum with topological
charge-independent radial intensity distribution possesses ubiquitous applications in optical …

In this study, an effective approach for generating polygonal non-diffracting beams (PNDBs)
is demonstrated using optical caustics and cross-phases. The resulting structured light …

Perfect vector beams with radius independent of topological charges have garnered
significant interest owing to their unique capabilities in optical manipulation, microscopy …

Rotational speed measurement has increasingly become an important requirement both in
the industrial and aerospace fields. This article presents a technique for rotational speed …

Since the confirmation of orbital angular momentum (OAM) decades ago, numerous studies
have led to a new understanding of optical effects and various applications. Here we …