Supercontinuum generation with optical vortices

We employ an optical vortex beam for the generation of femtosecond supercontinuum in a solid state medium. We demonstrate that the continuum generation process is initiated by the filamentation of the vortex, resulting in a spatially divergent continuum. Despite the strong self-focusing and the form...

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Published in:Optics express 2010-08, Vol.18 (17), p.18368-18373
Main Authors: Neshev, Dragomir N, Dreischuh, Alexander, Maleshkov, Georgi, Samoc, Marec, Kivshar, Yuri S
Format: Article
Language:English
Subjects:
Equipment Design
Lasers
Light
Microscopy, Polarization
Nonlinear Dynamics
Optics and Photonics - instrumentation
Optics and Photonics - methods
Scattering, Radiation
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creator Neshev, Dragomir N
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description We employ an optical vortex beam for the generation of femtosecond supercontinuum in a solid state medium. We demonstrate that the continuum generation process is initiated by the filamentation of the vortex, resulting in a spatially divergent continuum. Despite the strong self-focusing and the formation of multiple hot-spots along the vortex ring, the singularity is preserved in both the near- and far-fields.
doi_str_mv 10.1364/OE.18.018368
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subjects Equipment Design
Lasers
Light
Microscopy, Polarization
Nonlinear Dynamics
Optics and Photonics - instrumentation
Optics and Photonics - methods
Scattering, Radiation
title Supercontinuum generation with optical vortices
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