The local intrinsic curvature of wavefronts allows to detect optical vortices.
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DOI: 10.1364/oe.27.017550
Abstract: We describe a method for effectively distinguishing the radiation endowed with optical angular momentum, also known as optical vortex, from ordinary light. We show that by detecting the inversion of the transverse intrinsic curvature sign… read more here.
Keywords: optical vortices; wavefronts allows; local intrinsic; intrinsic curvature ... See more keywords