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Proceedings Paper

Unwound vortex beam shaping
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Paper Abstract

A beam shaping method based on the superposition and unwinding of vortex beams is proposed. This method allows for the continuous tuning of the orbital angular momentum content and longitudinal intensity distribution of the beam. We provide with a closed expression for the orbital angular momentum content of a general superposition of vortex beams and find its relation to the functional parameters of the beams. We compare our theoretical predictions with experimental results with excellent fidelity.

Paper Details

Date Published: 12 September 2007
PDF: 9 pages
Proc. SPIE 6663, Laser Beam Shaping VIII, 666306 (12 September 2007); doi: 10.1117/12.734923
Show Author Affiliations
Carlos López-Mariscal, Tecnológico de Monterrey (Mexico)
Julio C. Gutiérrez-Vega, Tecnológico de Monterrey (Mexico)

Published in SPIE Proceedings Vol. 6663:
Laser Beam Shaping VIII
Fred M. Dickey; David L. Shealy, Editor(s)

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