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
Optical trapping forces on Rayleigh particles by a focused Bessel-Gaussian correlated Schell-model beam
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Quantitative Spectroscopy and Radiative Transfer"
DOI: 10.1016/j.jqsrt.2019.07.015
Abstract: Abstract Optical trapping forces exerted by a focused Bessel-Gaussian correlated Schell-model (BGCSM) beam on Rayleigh dielectric spheres with different refractive indices are analyzed. The dependence of radiation forces on the transverse coherence width δ0, the… read more here.
Keywords: gaussian correlated; focused bessel; beam; optical trapping ... See more keywords
Bandwidth-limited orbital angular momentum mode of Bessel Gaussian beams in the moderate to strong non-Kolmogorov turbulence
Sign Up to like & getrecommendations! Published in 2019 at "Optics Communications"
DOI: 10.1016/j.optcom.2019.01.027
Abstract: Abstract We investigate the effects of the moderate to strong fluctuation on the propagation of orbital angular momentum (OAM) modes carried by Bessel Gaussian beams in turbulent atmosphere. The analytic expression of the received probability… read more here.
Keywords: turbulence; non kolmogorov; moderate strong; gaussian beams ... See more keywords
Performance analysis on free space underwater data transmission using Bessel–Gaussian beams in a simulated ocean channel with various effects
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DOI: 10.1016/j.optcom.2020.125969
Abstract: Abstract Bessel–Gaussian (BG) beams have shown their great potential application in optical communication for resisting atmospheric turbulence or ocean turbulence. Using On/Off Keying (OOK) modulation format, an underwater data transmission performance over 1m free space… read more here.
Keywords: gaussian beams; data transmission; underwater data; bessel gaussian ... See more keywords
Splitting, generation, and annihilation of phase singularities in non-coaxial interference of Bessel–Gaussian beams
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DOI: 10.1088/1402-4896/ac2185
Abstract: Based on the non-coaxial interference of Bessel–Gaussian (BG) beams, a new complex-structured light field is formed. By varying the off-axis distance, phase difference, separation angle, and topological charges (TCs) of the component beams, we observed… read more here.
Keywords: phase; coaxial interference; interference; interference bessel ... See more keywords
Coherence of Bessel-Gaussian Beams Propagating in a Turbulent Atmosphere
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DOI: 10.1134/s1024856018010098
Abstract: Coherent properties of vortex Bessel-Gaussian beams propagating in a turbulent atmosphere are theoretically studied based on the analytical solution of the equation for the transverse second-order mutual coherence function of optical radiation field. The behavior… read more here.
Keywords: bessel gaussian; gaussian beams; coherence; turbulent atmosphere ... See more keywords
Propagation of a Bessel-Gaussian beam in a gradient-index medium.
Sign Up to like & getrecommendations! Published in 2019 at "Applied optics"
DOI: 10.1364/ao.58.000920
Abstract: Based on the ABCD matrix method and Collins diffraction integral formula, analytical expression for Bessel-Gaussian beam propagation in a gradient-index medium is derived. The propagation trajectory, intensity, and phase distributions of the zeroth-order, second-order, and… read more here.
Keywords: index medium; propagation; beam; gaussian beam ... See more keywords
Scintillation of the orbital angular momentum of a Bessel Gaussian beam and its application on multi-parameter multiplexing.
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DOI: 10.1364/oe.478127
Abstract: The scintillation of the orbital angular momentum (OAM) of a Bessel Gaussian beam was derived based on the Rytov method to characterize the performance of the OAM communication. Moreover, a multi-parameter demultiplexing method was also… read more here.
Keywords: scintillation; beam; orbital angular; angular momentum ... See more keywords
Gouy phase of Bessel-Gaussian beams: theory vs. experiment.
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DOI: 10.1364/oe.480761
Abstract: It is well-known that the wave of a freely propagating Gaussian beam experiences an additional π phase shift compared to a plane wave. This phase shift, known as the Gouy phase, has significant consequences in,… read more here.
Keywords: optics; gaussian beams; phase; bessel gaussian ... See more keywords
Generating Bessel-Gaussian Beams with Controlled Axial Intensity Distribution
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DOI: 10.3390/app10217911
Abstract: This paper investigated the diffraction of a Gaussian laser beam on a binary mask and a refractive axicon. The principles of the formation of a zero-order Bessel beam with sharp drops of the axial field… read more here.
Keywords: bessel; intensity; bessel gaussian; generating bessel ... See more keywords
Double and Square Bessel–Gaussian Beams
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DOI: 10.3390/mi14051029
Abstract: We obtain a transform that relates the standard Bessel–Gaussian (BG) beams with BG beams described by the Bessel function of a half-integer order and quadratic radial dependence in the argument. We also study square vortex… read more here.
Keywords: function; square bessel; gaussian beams; bessel ... See more keywords