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Demonstration of a spatial filtering amplifier for high-order harmonics

  • Laboratory d'Optique Appliquée, ENSTA, CNRS-École Polytechnique
  • Laboratoire de Physique des Gaz et des Plasmas
  • CEA/UVSQ/CNRS
  • Institute of Physics of the Czech Academy of Sciences

Research output: Contribution to journalArticlepeer-review

24 Citations (Scopus)

Abstract

We report what is to our knowledge the first demonstration of spatial filtering of a high-order harmonic beam into a soft-x-ray laser plasma amplifier at 32.8 nm. After amplification the seed energy is enhanced by a factor of 50, and the beam profile of the amplified beam exhibits an Airy-like shape due to the spatial filtering by the optical field ionized plasma. Moreover, the transverse coherence of the spatially filtered amplified beam is strongly enhanced, resulting in the generation of a peak coherent power of 0.9*105 to 1.8 *105W.

Original languageEnglish
Pages (from-to)1498-1500
Number of pages3
JournalOptics Letters
Volume32
Issue number11
DOIs
Publication statusPublished - 1 Jun 2007

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