Single-focusing regime of propagation of femtosecond light packets when self-focused in a condensed medium

Yulia Mikhaylova, V. T. Platonenko, J. Zheng

Research output: Contribution to journalArticle

2 Scopus citations

Abstract

Numerical simulations are used to investigate the propagation of tightly focused megawatt femtosecond light packets in a nonlinear condensed medium in the single-focusing regime. A plasma is shown to be generated in a small region whose length and diameter increase with power in the single-focusing regime of propagation of a femtosecond light packet in a transparent dielectric. The limiting electron density in the microplasma formation region is virtually independent of the laser pulse power but increases with numerical aperture of the focusing optics. At a fixed femtosecond pulse power exceeding the critical self-focusing power, the transmission of light by a dielectric layer decreases with increasing numerical aperture of the focusing optics.

Original languageEnglish (US)
Pages (from-to)189-202
Number of pages14
JournalJournal of Experimental and Theoretical Physics
Volume108
Issue number2
DOIs
StatePublished - Feb 1 2009
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

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