High resolution x-ray Thomson scattering measurements from cryogenic hydrogen jets using the linac coherent light source

  • L. B. Fletcher
  • , U. Zastrau
  • , E. Galtier
  • , E. J. Gamboa
  • , S. Goede
  • , W. Schumaker
  • , A. Ravasio
  • , M. Gauthier
  • , M. J. Macdonald
  • , Z. Chen
  • , E. Granados
  • , H. J. Lee
  • , A. Fry
  • , J. B. Kim
  • , C. Roedel
  • , R. Mishra
  • , A. Pelka
  • , D. Kraus
  • , B. Barbrel
  • , T. Döppner
  • S. H. Glenzer

Research output: Contribution to journalArticlepeer-review

Abstract

We present the first spectrally resolved measurements of x-rays scattered from cryogenic hydrogen jets in the single photon counting limit. The 120 Hz capabilities of the LCLS, together with a novel hydrogen jet design [J. B. Kim et al., Rev. Sci. Instrum. (these proceedings)], allow for the ability to record a near background free spectrum. Such high-dynamic-range x-ray scattering measurements enable a platform to study ultra-fast, laser-driven, heating dynamics of hydrogen plasmas. This measurement has been achieved using two highly annealed pyrolytic graphite crystal spectrometers to spectrally resolve 5.5 keV x-rays elastically and inelastically scattered from cryogenic hydrogen and focused on Cornell-SLAC pixel array detectors [S. Herrmann et al., Nucl. Instrum. Methods Phys. Res., Sect. A 718, 550 (2013)].

Original languageEnglish
Article number11E524
JournalReview of Scientific Instruments
Volume87
Issue number11
DOIs
Publication statusPublished - 1 Nov 2016

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