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Open Access Publications from the University of California

Time resolved 3D momentum imaging of ultrafast dynamics by coherent VUV-XUV radiation.

  • Author(s): Sturm, FP
  • Wright, TW
  • Ray, D
  • Zalyubovskaya, I
  • Shivaram, N
  • Slaughter, DS
  • Ranitovic, P
  • Belkacem, A
  • Weber, Th
  • et al.

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We present a new experimental setup for measuring ultrafast nuclear and electron dynamics of molecules after photo-excitation and ionization. We combine a high flux femtosecond vacuum ultraviolet (VUV) and extreme ultraviolet (XUV) source with an internally cold molecular beam and a 3D momentum imaging particle spectrometer to measure electrons and ions in coincidence. We describe a variety of tools developed to perform pump-probe studies in the VUV-XUV spectrum and to modify and characterize the photon beam. First benchmark experiments are presented to demonstrate the capabilities of the system.

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