A Fourier-invariant squared Laguerre-Gaussian vortex beam
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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