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Probing impulsive strain propagation with x-ray pulses

  • D. A Reis
  • M. F DeCamp
  • P. H Bucksbaum
  • R Clarke
  • E Dufresne
  • M Hertlein
  • R Merlin
  • R Falcone
  • H Kapteyn
  • M. M Murnane
  • Jörgen Larsson
  • T Missalla
  • J. S Wark
Publiceringsår: 2001
Språk: Engelska
Sidor: 3072-3075
Publikation/Tidskrift/Serie: Physical Review Letters
Volym: 86
Nummer: 14
Dokumenttyp: Artikel i tidskrift
Förlag: American Physical Society


Pump-probe time-resolved x-ray diffraction of allowed and nearly forbidden reflections in InSb is used to follow the propagation of a coherent acoustic pulse generated by ultrafast laser excitation. The surface and bulk components of the strain could be simultaneously measured due to the large x-ray penetration depth. Comparison of the experimental data with dynamical diffraction simulations suggests that the conventional model for impulsively generated strain underestimates the partitioning of energy into coherent modes.


  • Atom and Molecular Physics and Optics


  • ISSN: 1079-7114

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