Moving-focus versus self-waveguiding model for long-distance propagation of femtosecond pulses in air

Research output: Contribution to journalArticle

57 Scopus citations

Abstract

Experiments on focused femtosecond pulse propagation in air in the infrared which can test whether a strict moving-focus model interpretation is applicable were recently analyzed by Lange et al. Using numerical simulations, we show that filament propagation can be given a consistent interpretation in terms of the dynamic spatial replenishment model. While the moving-focus model cannot explain the persistence of a filament past the linear focus, the self-waveguiding model also presents problems of interpretation.

Original languageEnglish (US)
Pages (from-to)1771-1776
Number of pages6
JournalIEEE Journal of Quantum Electronics
Volume35
Issue number12
DOIs
StatePublished - Dec 1 1999

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics
  • Condensed Matter Physics
  • Electrical and Electronic Engineering

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