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.
Efficient vortex generation in sub-wavelength near-zero index slabs
Ciattoni;Rizza;Ca;
2018
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.File in questo prodotto:
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