Todulational instability in crossing sea states: A possible mechanism for the formation of freak waves

J. Van Tilborg, C. B. Schroeder, C. V. Filip, Cs Tóth, C. G.R. Geddes, G. Fubiani, R. Huber, R. A. Kaindl, E. Esarey, W. P. Leemans

Research output: Contribution to journalArticlepeer-review

168 Scopus citations

Abstract

The temporal profile of relativistic laser-plasma-accelerated electron bunches has been characterized. Coherent transition radiation at THz frequencies, emitted at the plasma-vacuum boundary, was measured through electro-optic sampling. Frequencies up to the crystal detection limit of 4 THz were observed. Comparison between data and theory indicates that THz radiation from bunches with structure shorter than 50fs (root-mean-square) is emitted. The measurement demonstrates both shot-to-shot stability of the laser-plasma accelerator and femtosecond synchronization between bunch and probe beam.

Original languageEnglish (US)
Article number014801
JournalPhysical Review Letters
Volume96
Issue number1
DOIs
StatePublished - Jan 13 2006

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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