X-ray radiation from nonlinear thomson scattering of an intense femtosecond laser on relativistic electrons in a helium plasma

K. Ta Phuoc, A. Rousse, M. Pittman, J. P. Rousseau, V. Malka, S. Fritzler, D. Umstadter, D. Hulin

Research output: Contribution to journalArticlepeer-review

100 Scopus citations

Abstract

We have generated x-ray radiation from the nonlinear Thomson scattering of a [Formula presented] laser beam on plasma electrons. A collimated x-ray radiation with a broad continuous spectrum peaked at 0.15 keV with a significant tail up to 2 keV has been observed. These characteristics are found to depend strongly on the laser strength parameter [Formula presented]. This radiative process is dominant for [Formula presented] greater than unity at which point the relativistic scattering of the laser light originates from MeV energy electrons inside the plasma.

Original languageEnglish (US)
JournalPhysical Review Letters
Volume91
Issue number19
DOIs
StatePublished - 2003
Externally publishedYes

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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