Search Results - "Akimova, Ya. E."

Orbital Angular Momentum of Structured LG Beams after Astigmatic Transformation by Bretsko, M. V., Akimova, Ya. E., Volyar, A. V., Khalilov, S. I., Egorov, Yu. A., Ivakhnenko, A. O.

“…This paper investigates structured Laguerre-Gaussian (sLG) beams with two control parameters under an astigmatic transformation. The presented beams are a…”
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Measuring Singularities of Vector Structured LG Beams and Stokes Vortices via Intensity Moments Technique by Volyar, A. V., Khalilov, S. I., Bretsko, M. V., Akimova, Ya. E., Egorov, Yu. A.

“…We theoretically and experimentally investigated the transformation processes of polarization singularities (C-points, L-lines, V-points and rings, as well as…”
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Digital Sorting of Structured Vector LG Beams by the Moment of Intensity Method by Khalilov, S. I., Bretsko, M. V., Akimova, Ya. E., Volyar, A. V., Apatova, N. V., Ivakhnenko, A. O.

“…In this paper, studies have been carried out on the formation of complex structured Laguerre-Gauss vector beams. For the first time, a digital method of…”
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Two Sides of Shannon Entropy and Invariants of Fast Oscillations of Orbital Angular Momentum by Volyar, A. V., Abramochkin, E. G., Bretsko, M. V., Akimova, Ya. E., Egorov, Yu. A.

“…The excitation of multiple phases in each Hermite–Gauss mode of a structured Laguerre–Gauss beam results in fast oscillations of orbital angular momentum. It…”
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Transformations of structurally stable states of spiral beams subjected to sector perturbations by Volyar, A.V., Akimova, Ya.E.

“…We investigated conditions for the violation of the structural stability of a spiral beam subject to sector perturbations. Based on the method of computer…”
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Can the radial number of vortex modes control the orbital angular momentum? by Volyar, A.V., Abramochkin, E.G., Bretsko, M.V., Akimova, Ya.E., Egorov, Yu.A.

“…In general, a standard Laguerre–Gauss (LG) beam, whose state is given by two quantum numbers (n, ): the radial number n and the azimuthal number (or the…”
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Huge spikes and dips of the orbital angular momentum in structured Laguerre-Gaussian beams resistant to simple astigmatism by Volyar, A.V., Abramochkin, E.G., Akimova, Ya.E., Bretsko, M.V.

“…The article investigated conditions for shaping astigmatic-invariant structured Laguerre-Gaussian (LG) beams in the case of simple astigmatism. We have…”
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Beyond the light intensity or intensity moments and measurements of the vortex spectrum in complex light beams by Volyar, A., Bretsko, M., Akimova, Ya, Egorov, Yu

“…The paper presents a new method for measuring the vortex spectrum (amplitude squares and initial phases) as well as the orbital angular momentum without cuts…”
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Shaping and processing the vortex spectra of singular beams with anomalous orbital angular momentum by Volyar, A.V., Bretsko, M.V., Akimova, Ya.E., Egorov, Yu.A.

“…The article examines physical mechanisms responsible for shaping the vortex avalanche induced by a weak perturbation of the holographic lattice of a combined…”
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Sectorial perturbation of vortex beams: Shannon entropy, orbital angular momentum and topological charge by Volyar, A.V., Bretsko, M.V., Akimova, Ya.E., Egorov, Yu.A., Milyukov, V.V.

“…Transformations of the vortex beams structure subjected to sectorial perturbation were theoretically and experimentally studied. The analysis was based on…”
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Avalanche instability of the orbital angular momentum higher order optical vortices by Volyar, A.V., Bretsko, M.V., Akimova, Ya.E., Egorov, Yu.A.

“…Theoretical and experimental studies of spectra of optical vortices and orbital angular momentum (OAM) carried by combined singular beams are presented. The…”
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Perturbation of spiral beams by opaque screen by Bretsko, M.V., Akimova, Ya.E., Volyar, A.V., Egorov, Yu.A., Khalilov, S.I.

“…In this paper, we considered a perturbation of quadrangular spiral vortex beam by opaque screen. It was shown that if the screen does not overlap the region of…”
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Sectoral perturbation of quadratic spiral vortex beam by Bretsko, M.V., Akimova, Ya.E., Volyar, A.V., Egorov, Yu.A., Khalilov, S.I.

“…This paper presents studies of the structural stability of a spiral beam subject to sector perturbations. Sector disturbance causes a change in the circulation…”
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Spiral Fiber Optic Filter by Halilov, S.I., Rubass, A.F., Sokolenko, B.V., Volyar, A.V., Bretsko, M.V., Akimova, Ya.E., Shostka, V.I., Yakubov, S.I., Onikienko, E.V.

“…The experimental results of the conservation of the optical vortex polarization state and the topological charge value at the propagation along the wrapped…”
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