Impact of light absorption and temperature on self-focusing of zeroth-order Bessel–Gauss beams in a plasma with relativistic–ponderomotive regime
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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
Quadratic Bessel-Gauss beams and the azimuthal angular spectra of Gaussian astigmatic beams
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DOI: 10.1103/physreva.102.023533
Abstract: In this work, we establish the relationship existing between astigmatic Gaussian beams and Bessel-modulated Gaussian beams with quadratic radial dependence. We introduce an alternative representation of quadratic Bessel-Gaussian beams. This result permits us to expand… read more here.
Keywords: gaussian beams; gauss beams; beams quadratic; bessel gauss ... See more keywords
Accurate analysis of the efficiency of Bessel Gauss beams passing through two Cassegrain optical antennas in atmospheric turbulence.
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DOI: 10.1364/oe.471784
Abstract: The Bessel Gauss beam has shown good performance in solving occlusion by the secondary mirror of Cassegrain antenna. In this work, the analytical expression for the optical field of the Bessel Gauss beam after passing… read more here.
Keywords: system; bessel; bessel gauss; efficiency ... See more keywords
Multilevel Spiral Axicon for High-Order Bessel–Gauss Beams Generation
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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