Focusing and correlation properties of white-light optical vortices

We generate double-charge white-light optical vortices by sending a circularly polarized partially incoherent light through an uniaxial crystal. We show that the generated polichromatic vortices are structurally stable, and their correlation properties can be altered by the beam focusing, resulting...

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Bibliographic Details
Published in:Optics express 2005-09, Vol.13 (19), p.7393-7398
Main Authors: Shvedov, Vladlen, Krolikowski, Wieslaw, Volyar, Alexander, Neshev, Dragomir, Desyatnikov, Anton, Kivshar, Yuri
Format: Article
Language:English
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Summary:We generate double-charge white-light optical vortices by sending a circularly polarized partially incoherent light through an uniaxial crystal. We show that the generated polichromatic vortices are structurally stable, and their correlation properties can be altered by the beam focusing, resulting in changes of the vortex core visibility.
ISSN:1094-4087
1094-4087
DOI:10.1364/opex.13.007393