A Fourier-invariant squared Laguerre-Gaussian vortex beam

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 of conventional LG beams, the number of which is equal to the number of rings...

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Bibliografiske detaljer

Principais autores:	E.S. Kozlova, A.A. Savelyeva, A.A. Kovalev, V.V. Kotlyar
Format:	Artigo
Sprog:	Inglês
Udgivet:	Samara National Research University 2023-06-01
Serier:	Компьютерная оптика
Fag:	optical vortex topological charge laguerre-gauss mode fourier invariance fourier transform fresnel diffraction
Online adgang:	https://computeroptics.ru/eng/KO/Annot/KO47-3/470304e.html
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