Search Results - "Volyar, A. V."

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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Linear azimuthons in circular fiber arrays and optical angular momentum of discrete optical vortices by Alexeyev, C. N., Volyar, A. V., Yavorsky, M. A.

“…We study the field generated in the outer space by the superposition of modes of a regular circular monomode fiber array. It is shown that a supermode of the…”
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The formation of optical vortices in the course of light diffraction on a dielectric wedge by Shvedov, V. G., Izdebskaya, Ya. V., Alekseev, A. N., Volyar, A. V.

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The structure of a nonparaxial Gaussian beam near the focus: II. Optical vortices by Volyar, A. V., Shvedov, V. G., Fadeeva, T. A.

“…Exact analytical solutions of Maxwell’s equations describing the behavior of a nonparaxial optical vortex in the vicinity of a focal waist are obtained using…”
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Laguerre-Gaussian beams with complex and real arguments in a uniaxial crystal by Volyar, A. V., Fadeeva, T. A.

“…A solution to the paraxial wave equation for Laguerre-Gaussian beams with complex and real arguments in a uniaxial crystal is found and analyzed. It is shown…”
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Generation of singular beams in uniaxial crystals by Volyar, A. V., Fadeeva, T. A.

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Super pulses of orbital angular momentum in fractional-order spiroid vortex-beams by Volyar, A. V, Egorov, Yu. A

“…We consider optical properties of Hypergeometric-Gaussian beam compositions with spiral-like intensity and phase distributions that were called the spiroid…”
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The mutual transformations of fractional-order and integer-order optical vortices by Alexeyev, C. N, Egorov, Yu. A, Volyar, A. V

“…Phys. Rev. A 96, 063807 (2017) We consider the problem of singular beams in optics as a part of the general questions of interactions, shaping and…”
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Orbital angular momentum burst control in astigmatic structured beams in ABCD-matrix transforms by Volyar, A.V., Bretsko, M.V., Khalilov, S.I., Akimova, Y.E.

“…We developed and experimentally implemented an ABCD matrix formalism for describing structural transformations and orbital angular momentum of structured…”
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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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Transverse shift of a high-order paraxial vortex-beam induced by a homogeneous anisotropic medium by Fadeyeva, T. A., Rubass, A. F., Volyar, A. V.

“…We have found the asymmetric splitting of a high-order circularly polarized vortex-beam in a uniaxial crystal. The l-order vortex-beam splits into the same one…”
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Nonparaxial gaussian beams: 1. Vector fields by Volyar, A. V.

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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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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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Focusing of singular beams by Volyar, A. V., Fadeeva, T. A.

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Vectorial topological dipole in output radiation of a fiber optical coupler by Fadeeva, T. A., Volyar, A. V.

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Decay and fusion of polarization umbilics in a singular beam passed through a crystal by Volyar, A. V., Fadeeva, T. A.

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Digital sorting of Hermite-Gauss beams: mode spectra and topological charge of a perturbed Laguerre-Gauss beam by Volyar, A.V., Abramochkin, E.G., Egorov, Yu, Bretsko, M., Akimova, Ya

“…We developed and implemented an intensity moments technique for measuring amplitude and initial phase spectra, the topological charge (TC) and orbital angular…”
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Sorting Laguerre-Gaussian beams by radial numbers via intensity moments by Volyar, A.V., Bretsko, M., Akimova, Ya, Egorov, Yu

“…We propose and experimentally implement a new technique for digitally sorting Laguerre-Gaussian (LG) modes by radial number at a constant topological charge,…”
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