In the last three decades, light's orbital angular momentum (OAM) has been of great interest
because it has unique characteristics that make it sought after in many research fields …

Measuring orbital angular momentum (OAM) states of vortex beams is of great importance in
diverse applications employing OAM-carrying vortex beams. We present a simple and …

Orbital angular momentum (OAM) is a new physical dimension that has revolutionized
optical communication. This paper presents the common vortex beams (VBs) and the state …

We propose a method to determine the topological charge (TC) of a perfect vortex. With the
phase shift technique, the perfect vortex and its conjugate beam exactly overlap and …

This study demonstrates a self-referenced interferometric method to estimate the magnitude
and sign of a high-order topological charge (TC) carried by incoming optical vortex beams …

An optical vortex beam carrying fractional topological charge (TC) has become an
immerging field of interest due to its unique intensity distribution and fractional phase front in …

The optical vortex beam having helical phasefront carries well-defined orbital angular
momentum (OAM) which can be specified by its topological charge (TC). This study …

The polarization states and orbital angular momentum (OAM) properties of light are of
considerable importance for several aspects of high-precision optical measurements. In this …

We have proposed a magnetic field sensor using orbital angular momentum (OAM) L=±1
modes, corresponding to right-and left-handed circular polarization, respectively, in a vortex …

Spiral phase plate (SPP) is the widely used method in the generation of vortex beam (VB)
with fixed topological charges (TCs) for specific wavelength. Although VB with large TCs can …