%0 Conference Article %T FORMATION OF A “PERFECT” OPTICAL VORTEX USING A BESSEL-GAUSSIAN BEAM %A Lukin, I.P. %K optical vortex, Bessel-Gaussian optical beam, topological charge %J The XXXI International Symposium "Atmospheric and Ocean Optics. Atmospheric Physics" %D 2025 %P 3 %I V.E. Zuev Institute of Atmospheric Optics, Siberian Branch of the Russian Academy of Sciences