Analysis of practical fractional vortex beams at far field

Eduardo Peters, Gustavo Funes*, L. Martínez-León, Enrique Tajahuerce

*Autor correspondiente de este trabajo

Producción científica: Contribución a una revistaArtículorevisión exhaustiva

2 Citas (Scopus)

Resumen

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.
Idioma originalInglés
Número de artículo108480
PublicaciónOptics and Laser Technology
Volumen156
DOI
EstadoPublicada - dic. 2022

Nota bibliográfica

Publisher Copyright:
© 2022 Elsevier Ltd

Palabras clave

  • Light modulation
  • Light modulators
  • Optical signal processing

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