27 September 2016 Internal energy flows in composite optical vortices
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Abstract
We study the energy ow pattern in the superposition of two off-axis optical vortices with orthogonal polarization states. This system presents a rich structure of polarization singularities, which allows us to study the transverse spin and orbital angular momentum of different polarization morphologies, which includes C points (stars, lemons and monstars) and L lines. We perform numerical simulations of the optical forces acting on submicron particles and show interesting configurations. We provide the set of control parameters to unambiguously distinguish between the spin and orbital ow contributions.
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Manuel F. Ferrer-Garcia, Dorilian Lopez-Mago, Raul I. Hernandez-Aranda, "Internal energy flows in composite optical vortices", Proc. SPIE 9950, Laser Beam Shaping XVII, 99500T (27 September 2016); doi: 10.1117/12.2236956; https://doi.org/10.1117/12.2236956
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