Self-focusing collapse distance in ultrashort pulses and measurement of nonlinear index

Research output: Contribution to journalArticle

12 Scopus citations

Abstract

We analyze the method of moving focus to determine the critical power for self-focusing by means of numerical simulation and a semianalytical model. It is shown that the original interpretation of a moving focus experiment does not hold in general and that inclusion of defocusing effects due to free electrons is necessary to relate the measured data to critical power.

Original languageEnglish (US)
Pages (from-to)2542-2544
Number of pages3
JournalOptics letters
Volume36
Issue number13
DOIs
StatePublished - Jul 1 2011

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

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