Focusing and correlation properties of white-light optical vortices
Author(s) -
Vladlen G. Shvedov,
Wiesław Królikowski,
A. V. Volyar,
Dragomir N. Neshev,
Anton S. Desyatnikov,
Yuri S. Kivshar
Publication year - 2005
Publication title -
optics express
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.394
H-Index - 271
ISSN - 1094-4087
DOI - 10.1364/opex.13.007393
Subject(s) - optics , white light , vortex , optical vortex , light beam , physics , core (optical fiber) , uniaxial crystal , beam (structure) , optical axis , thermodynamics , lens (geology)
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.
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