Tight focusing of hybridly polarized optical vortex

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 interesting properties: the intensity in such beams rotat...

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Bibliographic Details
Published in:Optik (Stuttgart) 2024-09, Vol.311, p.171903, Article 171903
Main Authors: Stafeev, S.S., Zaitsev, V.D., Kotlyar, V.V., Nalimov, A.G.
Format: Article
Language:English
Subjects:
Nonhomogeneous polarization
Optical vortex
Spin angular momentum
Tight focusing
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Summary: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 interesting properties: the intensity in such beams rotates with distance from the focal spot, and the longitudinal component of the spin angular momentum has an asymmetric appearance.
ISSN:0030-4026
1618-1336
DOI:10.1016/j.ijleo.2024.171903