Absolute time-resolved X-ray laser gain measurement

  • T. Mocek
  • , S. Sebban
  • , G. Maynard
  • , Ph Zeitoun
  • , G. Faivre
  • , A. Hallou
  • , M. Fajardo
  • , S. Kazamias
  • , B. Cros
  • , D. Aubert
  • , G. De Lachèze-Murel
  • , J. P. Rousseau
  • , J. Dubau

Research output: Contribution to journalArticlepeer-review

Abstract

We present the first direct measurement of the time evolution of the gain of a soft x-ray laser amplifier. The measurement is based on the injection of a seed pulse, obtained by high-order harmonic generation, into an x-ray laser medium. Strong amplification occurs when the seed pulse is synchronized with the gain period. By precisely varying the delay between the x-ray laser plasma creation and the seed pulse injection, the actual temporal evolution of the soft x-ray amplifier gain is obtained with a subpicosecond resolution.

Original languageEnglish
Article number173902
JournalPhysical Review Letters
Volume95
Issue number17
DOIs
Publication statusPublished - 21 Oct 2005

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