Vortex beam characterization in terms of Hypergeometric-Gaussian modes

Bereneice Sephton; Bereneice Sephton; Angela Dudley; Angela Dudley; Andrew Forbes; Andrew Forbes

doi:10.1364/FIO.2016.FF5H.5

Frontiers in Optics 2016
OSA Technical Digest (online) (Optica Publishing Group, 2016),
paper FF5H.5
•https://doi.org/10.1364/FIO.2016.FF5H.5

Vortex beam characterization in terms of Hypergeometric-Gaussian modes

Bereneice Sephton, Angela Dudley, and Andrew Forbes

Frontiers in Optics 2016

Rochester, New York United States
17–21 October 2016
ISBN: 978-1-943580-19-4

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Exotic States and Applications II (FF5H)

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B. Sephton, A. Dudley, and A. Forbes, "Vortex beam characterization in terms of Hypergeometric-Gaussian modes," in Frontiers in Optics 2016, OSA Technical Digest (online) (Optica Publishing Group, 2016), paper FF5H.5.

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Abstract

Q-plates are commonly used for uncomplicated generation of polarization controlled vortex beams. Here we show experimentally that the output is not a pure vortex but rather a Hypergeometric-Gaussian mode. Results are in good agreement with theory.

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