Spatial distribution of phase singularities in optical random vector waves

L De Angelis, F Alpeggiani, Andrea Di Falco, L Kuipers

Research output: Contribution to journalLetterpeer-review

28 Citations (Scopus)
1 Downloads (Pure)

Abstract

Phase singularities are dislocations widely studied in optical fields as well as in other areas of physics. With experiment and theory we show that the vectorial nature of light affects the spatial distribution of phase singularities in random light fields. While in scalar random waves phase singularities exhibit spatial distributions reminiscent of particles in isotropic liquids, in vector fields their distribution for the different vector components becomes anisotropic due to the direct relation
between propagation and field direction. By incorporating this relation in the theory for scalar fields by Berry and Dennis, we quantitatively describe our experiments.
Original languageEnglish
Article number093901
Number of pages5
JournalPhysical Review Letters
Volume117
Issue number9
Early online date23 Aug 2016
DOIs
Publication statusPublished - 26 Aug 2016

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