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...
Gorde:
| Egile Nagusiak: | , , , |
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| Formatua: | Artigo |
| Hizkuntza: | Inglês |
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Samara National Research University
2023-06-01
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| Saila: | Компьютерная оптика |
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| Sarrera elektronikoa: | https://computeroptics.ru/eng/KO/Annot/KO47-3/470304e.html |
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