Characterization of the Vortex Beam by Fermat’s Spiral
In this paper, we characterize the helical beam structure through an analysis of the spiral character of the phase distribution inside a light beam. In particular, we show that a line connected with the 2π phase jump in the Laguerre–Gauss beam can be described by a Fermat’s spiral. We propose a nume...
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| Principais autores: | , , |
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| Formato: | Artigo |
| Idioma: | Inglês |
| Publicado em: |
MDPI AG
2020-11-01
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| coleção: | Photonics |
| Assuntos: | |
| Acesso em linha: | https://www.mdpi.com/2304-6732/7/4/102 |
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