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Experimental evidence of short light pulse amplification using strong-coupling stimulated brillouin scattering in the pump depletion regime

  • University of Rome
  • LULI
  • CEA/UVSQ/CNRS
  • CNRS

Résultats de recherche: Contribution à un journalArticleRevue par des pairs

Résumé

The energy transfer from a long (3.5ps) pump pulse to a short (400fs) seed pulse due to stimulated Brillouin backscattering in the strong-coupling regime is investigated. The two pulses, both at the same wavelength of 1.057μm are quasicounterpropagating in a preformed underdense plasma. Relative amplification factors for the seed pulse of up to 32 are obtained. The maximum obtained amplified energy is 60mJ. Simulations are in agreement with the experimental results and suggest paths for further improvement of the amplification scheme.

langue originaleAnglais
Numéro d'article025001
journalPhysical Review Letters
Volume104
Numéro de publication2
Les DOIs
étatPublié - 11 janv. 2010

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