Higher-Order Bessel Equations Integrable in Elementary Functions
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Mathematical Sciences"
DOI: 10.1007/s10958-019-04431-6
Abstract: The eigenfunction problem for a scalar Euler operator leads to an ordinary differential equation, which is an analog of higher-order Bessel equations. Its solutions are expressed through elementary functions in the case where the corresponding… read more here.
Keywords: bessel equations; higher order; order bessel; euler ... See more keywords
Impact of light absorption and temperature on self-focusing of zeroth-order Bessel–Gauss beams in a plasma with relativistic–ponderomotive regime
Sign Up to like & getrecommendations! Published in 2018 at "Optical and Quantum Electronics"
DOI: 10.1007/s11082-018-1671-1
Abstract: The influence of light absorption and temperature on self-focusing of zeroth-order Bessel–Gauss beams through plasma, with relativistic–ponderomotive regime, is investigated in this paper. The nonlinear differential equation for beam-width is established by using parabolic equation… read more here.
Keywords: temperature self; order bessel; bessel gauss; focusing zeroth ... See more keywords
Contribution to the study of lowest order Bessel-Gaussian beams propagating in thermal quantum plasma
Sign Up to like & getrecommendations! Published in 2018 at "Optik"
DOI: 10.1016/j.ijleo.2018.08.058
Abstract: Abstract In this paper, the self-focusing of lowest order Bessel-Gaussian beams in relativistic thermal quantum plasma is investigated. To describe the behavior propagation beams in the considered medium plasma, nonlinear differential equation of beam-width parameter… read more here.
Keywords: lowest order; quantum; plasma; order bessel ... See more keywords
Mean intensity of lowest order Bessel-Gaussian beams with phase singularities in turbulent atmosphere
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DOI: 10.1016/j.ijleo.2020.165215
Abstract: Abstract Mean intensity of the lowest order Bessel-Gaussian beams with phase singularities is simulated in a weak turbulence propagation environment. The change of mean intensity variation against the propagation parameters and the source beam parameters… read more here.
Keywords: order bessel; bessel gaussian; lowest order; intensity ... See more keywords
Fractional-order-Bessel Fourier-invariant optical vortices
Sign Up to like & getrecommendations! Published in 2021 at "Optics Communications"
DOI: 10.1016/j.optcom.2021.126974
Abstract: Abstract A new set of vortex rotationally symmetric Bessel beams is investigated, which are Fourier-invariant and have low sidelobes, in contrast to all the other known Bessel beams. Complex amplitudes in the source plane and… read more here.
Keywords: order; bessel fourier; order bessel; fourier invariant ... See more keywords
Generation of High-Order Bessel Orbital Angular Momentum Vortex Beam Using a Single-Layer Reflective Metasurface
Sign Up to like & getrecommendations! Published in 2020 at "IEEE Access"
DOI: 10.1109/access.2020.3007494
Abstract: In this paper, we propose a method to generate a high-order Bessel orbital angular momentum (OAM) vortex beam by using a single-layer reflective metasurface, which integrates the advantages of small size, high efficiency, insensitive polarization… read more here.
Keywords: vortex; vortex beam; order bessel; oam vortex ... See more keywords
Diffractive Elements for Zero-Order Bessel Beam Generation With Application in the Terahertz Reflection Imaging
Sign Up to like & getrecommendations! Published in 2019 at "IEEE Photonics Journal"
DOI: 10.1109/jphot.2018.2887139
Abstract: Novel diffractive elements are presented to produce zero-order Bessel beams in the terahertz (THz) band. First, diffractive elements are designed as phase plates to change the direction of the incident Gaussian beam. Then, they are… read more here.
Keywords: zero order; diffractive elements; order bessel; beam ... See more keywords
Wideband Circularly Polarized High-Order Bessel Beam Reflectarray Design Using Multiple-Ring-Cascade Elements
Sign Up to like & getrecommendations! Published in 2020 at "IEEE Antennas and Wireless Propagation Letters"
DOI: 10.1109/lawp.2020.2995936
Abstract: In this letter, a wideband circularly polarized high-order Bessel beam reflectarray composed of 30×30 elements with different spatial orientations is proposed. The element is formed by a multiple-ring-cascade structure printed on the top surface of… read more here.
Keywords: order bessel; high order; beam; bessel beam ... See more keywords
Optical trapping force on a stratified chiral particle by high-order Bessel beam.
Sign Up to like & getrecommendations! Published in 2023 at "Applied optics"
DOI: 10.1364/ao.469378
Abstract: We examined optical trapping force (TF) exerted on non-uniform chiral stratified spheres by a high-order Bessel beam (HOBB). Present theories were proven to be valid by comparison with the existing reference. Numerical simulations considering the… read more here.
Keywords: order bessel; beam; optical trapping; high order ... See more keywords
Multilevel Spiral Axicon for High-Order Bessel–Gauss Beams Generation
Sign Up to like & getrecommendations! Published in 2023 at "Nanomaterials"
DOI: 10.3390/nano13030579
Abstract: This paper presents an efficient method to generate high-order Bessel–Gauss beams carrying orbital angular momentum (OAM) by using a thin and compact optical element such as a multilevel spiral axicon. This approach represents an excellent… read more here.
Keywords: order bessel; high order; bessel; bessel gauss ... See more keywords