Fractional-order-Bessel Fourier-invariant optical vortices
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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
A Fourier-invariant squared Laguerre-Gaussian vortex beam
Sign Up to like & getrecommendations! Published in 2023 at "Computer Optics"
DOI: 10.18287/2412-6179-co-1228
Abstract: It is shown that a squared Laguerre-Gaussian (LG) vortex beam is Fourier-invariant and retains its structure at the focus of a spherical lens. In the Fresnel diffraction zone, such a beam is transformed into superposition… read more here.
Keywords: gaussian vortex; beam; vortex beam; fourier invariant ... See more keywords