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Demonstration of a Circularly Polarized Plasma-Based Soft-X-Ray Laser

  • Université Paris-Saclay
  • Laboratoire de Physique des Gaz et des Plasmas
  • Institute of Physics of the Czech Academy of Sciences
  • Gwangju Institute of Science and Technology
  • Institute for Basic Science (IBS)

Research output: Contribution to journalArticlepeer-review

37 Citations (Scopus)

Abstract

We report the first experimental demonstration of a laser-driven circularly polarized soft-x-ray laser chain. It has been achieved by seeding a 32.8 nm Kr ix plasma amplifier with a high-order harmonic beam, which has been circularly polarized using a four-reflector polarizer. Our measurements testify that the amplified radiation maintains the initial polarization of the seed pulse in good agreement with our Maxwell-Bloch modeling. The resulting fully circular soft-x-ray laser beam exhibits a Gaussian profile and yields about 1010 photons per shot, fulfilling the requirements for laboratory-scale photon-demanding application experiments.

Original languageEnglish
Article number083901
JournalPhysical Review Letters
Volume115
Issue number8
DOIs
Publication statusPublished - 19 Aug 2015
Externally publishedYes

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