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Sharp focusing of a hybridly polarized optical vortex
S.S. Stafeev 1,2, V.D. Zaitcev 1,2, V.V. Kotlyar 1,2

1 Image Processing Systems Institute, NRC "Kurchatov Institute",
443001, Samara, Russia, Molodogvardeyskaya 151;
2 Samara National Research University,
443086, Samara, Russia, Moskovskoye Shosse 34

 PDF, 834 kB

DOI: 10.18287/2412-6179-CO-1496

Pages: 655-661.

Full text of article: Russian language.

Abstract:
In this work, using the Richards-Wolf formalism, we consider the sharp focusing of optical vortices with hybrid polarization, which combines the properties of azimuthal and circular polarizations. It is shown that these beams have a number of unique properties: the intensity pattern in such beams is rotating with distance from the focal spot and the longitudinal component of the spin angular momentum is asymmetrically shaped.

Keywords:
sharp focusing, optical vortex, inhomogeneous polarization, spin angular momentum.

Citation:
Stafeev SS, Zaitsev VD, Kotlyar VV. Sharp focusing of a hybridly polarized optical vortex. Computer Optics 2024; 48(5): 655-661. DOI: 10.18287/2412-6179-CO-1496.

Acknowledgements:
This work was supported by the Russian Science Foundation under grant 23-12-00236 ("Experiment" Section) and the government project of the NRC "Kurchatov Institute" ("Numerical Simulation" Section).

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