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Published in: Optical Memory and Neural Networks 1/2023

01-11-2023

Poincare Beams in Tight Focus

Authors: V. V. Kotlyar, S. S. Stafeev, V. D. Zaitsev, E. S. Kozlova

Published in: Optical Memory and Neural Networks | Special Issue 1/2023

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Abstract

The family of Poincare beams has three characteristics including two real-valued angular characteristics, which descibe a concrete polarisation state on the Poincare sphere and a third integer characteristic l determining the beam singularity order. It was theoretically and numerically shown that at l = 2, an energy backflow is generated near the optical axis. It was revealed that at certain Poincare beams characteristics, the energy flow revolves around the optical axis because of spin-orbital conversion. It was also demonstrated that a radial optical Hall phenomenon took place in the compact focus of Poincare beams.

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Metadata
Title
Poincare Beams in Tight Focus
Authors
V. V. Kotlyar
S. S. Stafeev
V. D. Zaitsev
E. S. Kozlova
Publication date
01-11-2023
Publisher
Pleiades Publishing
Published in
Optical Memory and Neural Networks / Issue Special Issue 1/2023
Print ISSN: 1060-992X
Electronic ISSN: 1934-7898
DOI
https://doi.org/10.3103/S1060992X23050119

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