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Self-focusing and filamentation of optical vortex beams: Spatiotemporal analysis

Maleshkov, Georgi; Neshev, Dragomir; Dreischuh, Alexander

Description

We report numerical simulations supported by experimental observations of self-focusing, fillamentation, and supercontinuum generation by an optical vortex beam in a Kerr nonlinear medium in the regime of dominating nonlinearity. Despite the strong self-focusing resulting in multiple filaments ordered along the vortex ring the optical vortex remains well preserved at the exit of the nonlinear medium and in the far-field. The presented quasi-(3+1)- dimensional numerical simulations under...[Show more]

CollectionsANU Research Publications
Date published: 2009
Type: Journal article
URI: http://hdl.handle.net/1885/53471
Source: Proceedings of SPIE - Progress in Biomedical Optics and Imaging
DOI: 10.1117/12.851352

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