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Probing impulsive strain propagation with x-ray pulses

Author

  • 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

Summary, in English

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.

Department/s

Publishing year

2001

Language

English

Pages

3072-3075

Publication/Series

Physical Review Letters

Volume

86

Issue

14

Document type

Journal article

Publisher

American Physical Society

Topic

  • Atom and Molecular Physics and Optics

Status

Published

ISBN/ISSN/Other

  • ISSN: 1079-7114