info:eu-repo/semantics/article
Determining the fractional topological charge shifting in perfect vortices from laser speckle
Fecha
2019-06-15Registro en:
Bianchetti, Arturo Abel; Etchepareborda, Pablo Gonzalo; Federico, Roque Alejandro; Determining the fractional topological charge shifting in perfect vortices from laser speckle; Elsevier Science; Optics Communications; 441; 15-6-2019; 74-79
0030-4018
CONICET Digital
CONICET
Autor
Bianchetti, Arturo Abel
Etchepareborda, Pablo Gonzalo
Federico, Roque Alejandro
Resumen
We demonstrate analytically, numerically, and experimentally that the fractional topological charge shifting in perfect vortices having a ring-shaped distribution is precisely determined by the correlation coefficient of speckle distributions obtained by the scattering of these perfect vortices through a random phase screen. The scattering of elliptic perfect optical vortices is also analyzed and discussed.