Aberration-free laser beam in the soft x-ray range

  • J. Ph. Goddet
  • , S. Sebban
  • , J. Gautier
  • , Ph Zeitoun
  • , C. Valentin
  • , F. Tissandier
  • , T. Marchenko
  • , G. Lambert
  • , M. Ribières
  • , D. Douillet
  • , T. Lefrou
  • , G. Iaquaniello
  • , F. Burgy
  • , G. Maynard
  • , B. Cros
  • , B. Robillard
  • , T. Mocek
  • , J. Nejdl
  • , M. Kozlova
  • , K. Jakubczak

Research output: Contribution to journalArticlepeer-review

Abstract

By seeding an optical-field-ionized population-inverted plasma amplifier with the 25th harmonic of an IR laser, we have achieved what we believe to be the first aberration-free laser beam in the soft x-ray spectral range. This laser emits within a cone of 1.34 mrad (1/e2) at a repetition rate of 10 Hz at a central wavelength of 32.8 nm. The beam exhibits a circular profile and wavefront distortions as low as λ/17. A theoretical analysis of these results shows that this high beam quality is due to spatial filtering of the seed beam by the plasma amplifier aperture.

Original languageEnglish
Pages (from-to)2438-2440
Number of pages3
JournalOptics Letters
Volume34
Issue number16
DOIs
Publication statusPublished - 15 Aug 2009

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