Unwound vortex beam shaping

Carlos López-Mariscal; Julio C. Gutiérrez-Vega

doi:10.1117/12.734923

12 September 2007 Unwound vortex beam shaping

Carlos López-Mariscal, Julio C. Gutiérrez-Vega

Proceedings Volume 6663, Laser Beam Shaping VIII; 666306 (2007) https://doi.org/10.1117/12.734923
Event: Photonic Devices + Applications, 2007, San Diego, California, United States

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.

Citation Download Citation

Carlos López-Mariscal and Julio C. Gutiérrez-Vega "Unwound vortex beam shaping", Proc. SPIE 6663, Laser Beam Shaping VIII, 666306 (12 September 2007); https://doi.org/10.1117/12.734923

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