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Investigations on collisional optical field ionization soft x-ray lasers

  • S. Sebban
  • , T. Mocek
  • , R. Haroutunian
  • , B. Rus
  • , P. Balcou
  • , D. Ros
  • , G. Grillon
  • , A. Rousse
  • , S. Kazamias
  • , T. Marin
  • , J. P. Rousseau
  • , L. Notebaert
  • , M. Pittman
  • , J. P. Chambaret
  • , A. Antonetti
  • , D. Hulin
  • , A. Klisnick
  • , A. Carillon
  • , P. Jaeglé
  • , G. Jamelot
  • J. F. Wyart
  • Laboratory d'Optique Appliquée, ENSTA, CNRS-École Polytechnique
  • Institute of Physics of the Czech Academy of Sciences
  • Laboratoire de Spectroscopie Atomique et lonique CNRS TJMR 8624
  • Laboratoire Aimé Cotton

Research output: Contribution to journalArticlepeer-review

Abstract

We report recent investigations on collisional Optical-Field Ionization soft-x ray lasers. The amplifying medium is generated by focussing a high energy circularly polarized, 35 fs 10 Hz Ti: sapphire laser system in a few mm cell filled with gas (xenon or krypton). Using xenon, a gain of 67 cm-1 on the 4d95p-4d95d transition at 41.8 nm in Pd-like xenon and a gain-length product of 15 have been inferred at saturation. This source delivers about 5 109 photons per pulse. Using krypton, a large amplification of the 3d94d-3d94p line at 32.8 nm as been observed for the first time. The influence of the pumping energy and the laser polarization on the lasing output are also presented.

Original languageEnglish
Pages (from-to)195-203
Number of pages9
JournalProceedings of SPIE - The International Society for Optical Engineering
Volume4505
DOIs
Publication statusPublished - 1 Jan 2001

Keywords

  • Collisional x-ray lasers
  • OFI
  • Saturation

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