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Proceedings Paper

Intensity correlation between fractional incoherent vortices
Author(s): A. J. Jesus-Silva; J. M. Hickmann; E. J. S. Fonseca
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Paper Abstract

We obtain a well-defined topological charge signature from the intensity correlation of two spatially incoherent Laguerre-Gauss beams of differing orders when each beam is diffracted by a triangle. We show that the value of the obtained topological charge follows a correlation rule such that its value is related to the topological charges associated to both incoherent beams. This paper suggests a way to measure an effective topological charge of the coherence function, and opens a new window for studies of correlation between different orders of optical vortex beams.

Paper Details

Date Published: 5 March 2013
PDF: 9 pages
Proc. SPIE 8637, Complex Light and Optical Forces VII, 863705 (5 March 2013); doi: 10.1117/12.2004652
Show Author Affiliations
A. J. Jesus-Silva, Univ. Federal de Alagoas (Brazil)
J. M. Hickmann, Univ. Federal de Alagoas (Brazil)
E. J. S. Fonseca, Univ. Federal de Alagoas (Brazil)

Published in SPIE Proceedings Vol. 8637:
Complex Light and Optical Forces VII
Jesper Glückstad; David L. Andrews; Enrique J. Galvez, Editor(s)

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