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Conferences > IPRSN > 2018 > ITu3B > ITu3B.4

Efficient vortex generation in sub-wavelength near-zero index slabs

Alessandro Ciattoni, Carlo Rizza, and Andrea Marini

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Abstract

We demonstrate that a subwavelength near-zero index slab illuminated by a paraxial fundamental Bessel beam with circular symmetry acts as a vortex generator owing to the spin-orbit interaction triggered by the medium.

© 2018 The Author(s)

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