Analysis of practical fractional vortex beams at far field
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INVESTIGACIONMetadades
Títol
Analysis of practical fractional vortex beams at far fieldData de publicació
2022-07-20Editor
Elsevier ScienceDirectISSN
0030-3992; 1879-2545Cita bibliogràfica
Peters, E., Funes, G., Martínez-León, L., & Tajahuerce, E. (2022). Analysis of practical fractional vortex beams at far field. Optics & Laser Technology, 156.Tipus de document
info:eu-repo/semantics/articleVersió
info:eu-repo/semantics/acceptedVersionParaules clau / Matèries
Resum
The subject of calculating the topological charge (TC) or vortex strength of optical vortices has generated divided opinions among scientists. This is due to the fact that proper analytical results are hard to support ... [+]
The subject of calculating the topological charge (TC) or vortex strength of optical vortices has generated divided opinions among scientists. This is due to the fact that proper analytical results are hard to support from the experimental point of view, leading to different results and conclusions. In this work we will present numerical data that shows the limits of TC measurements for practical fractional vortices and the possible challenges that high order measurements may pose. By analyzing the far field phase and the behavior of the transitions we have shown that they follow specific curves that depend not only on the TC but also on the beam waist. This leads us to present a new “strength staircase” for practical vortices. Our aim is to give some insight in practical scenarios that have not been taken into account in previous results. [-]
Publicat a
Optics and Laser Technology, Volume 156 (december 2022)Entitat finançadora
Agencia Estatal de Investigación. Ministerio de Ciencia e Innovación | Generalitat Valenciana
Codi del projecte o subvenció
PID2019-110927RB-I00 | Prometeo/2020/029
Drets d'accés
info:eu-repo/semantics/embargoedAccess
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