Twisted vortex Gaussian Schell-model beams

We introduce a new class of partially coherent vortex beams in which the angular momentum of the beam is provided from two different sources: the underlying vortex of the random beam and the "twist" given to the ensemble of beams. The statistical and propagation properties of such beams ar...

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Bibliographic Details
Published in:Journal of the Optical Society of America. A, Optics, image science, and vision Optics, image science, and vision, 2018-11, Vol.35 (11), p.1899-1906
Main Authors: Stahl, C S D, Gbur, G
Format: Article
Language:English
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Summary:We introduce a new class of partially coherent vortex beams in which the angular momentum of the beam is provided from two different sources: the underlying vortex of the random beam and the "twist" given to the ensemble of beams. The statistical and propagation properties of such beams are investigated, and their orbital angular momentum properties are analyzed. The combination of distinct orbital angular momentum sources allows unusual behaviors that were previously unobserved.
ISSN:1084-7529
1520-8532
DOI:10.1364/JOSAA.35.001899