Phys. Rev. A 71, 063811 (2005) [8 pages]Dynamics of filament formation in a Kerr mediumSee Also: Erratum Received 2 December 2004; published 17 June 2005 We have studied the large-scale beam breakup and filamentation of femtosecond pulses in a Kerr medium. We have experimentally monitored the formation of stable light filaments, conical emission, and interactions between filaments. Three major stages lead to the formation of stable light filaments: First the beam breaks up into a pattern of connected lines (constellation), then filaments form on the constellations, and finally the filaments release a fraction of their energy through conical emission. We observed a phase transition to a faster filamentation rate at the onset of conical emission. We attribute this to the interaction of conical emissions with the constellation which creates additional filaments. Numerical simulations show good agreement with the experimental results. © 2005 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevA.71.063811
DOI:
10.1103/PhysRevA.71.063811
PACS:
42.65.Jx, 42.65.Tg, 89.75.Kd
See AlsoErratum: Martin Centurion, Ye Pu, Mankei Tsang, and Demetri Psaltis, Erratum: Dynamics of filament formation in a Kerr medium [Phys Rev. A 71, 063811 (2005)], Phys. Rev. A 74, 069902 (2006). |
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