Axicon is a versatile optical element for forming a zero-order Bessel beam, including high-
power laser radiation schemes. Nevertheless, it has drawbacks such as the produced …

Spatial intensity distributions of the Laguerre-superGauss modes (1, 0) as well as a super-
Gaussian beam with radial and circular polarization were investigated versus changes in the …

Complex-shaped light fields with specially designed intensity, phase, and polarization
distributions are highly demanded for various applications including optical tweezers, laser …

Subject of study. The effect of various deviations of the helical microstructure shape and
position associated with manufacturing and alignment errors on the properties of vortex …

A new element is proposed for producing an azimuthally polarized beam with a vortex
phase dependence. The element is formed by two conical surfaces in such a way that the …

The features of focusing Gaussian beams and optical vortices with circular and radial
polarization are studied in this paper. The finite difference time domain method was used to …

SI Kharitonov, SN Khonina, “Conversion of a conical wave with circular polarization into a
vortex cylindrically polarized beam in a metal waveguide”, Computer Optics, 42:2 (2018) …

The investigation of the change in the size of the focal spot when laser radiation with radial
and circular polarizations passes through a diffractive axicon and an optical element …

The high side-lobes of the Bessel-Gauss beam generated by refractive axicon or reflective
axicon is a major factor that hinders its practical application. In this paper, multiphase plate is …

We present a novel meta-optical element called a screw metaxicon (a particular type of
diffractive spiral axicons with subwavelength grating periods) that transforms linearly …