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Proceedings Paper

Femtosecond time-resolved x-ray diffraction with a laser-produced plasma x-ray source
Author(s): Antoine Rousse; Christian Rischel; Ingo Uschmann; P. A. Albouy; Jean-Paul Geindre; Patrick Audebert; Jean-Claude J. Gauthier; Eckhart Foerster; Jean-Louis Martin; Andre Antonetti
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Paper Abstract

Optical pump, x-ray diffraction probe experiments have been used to study the lattice dynamics of organic materials using a laser-produced plasma x-ray source. The x-ray source is generated from a 10 Hz, 26 mJ, 120 fs laser beam focused on a silicon wafer target. The emitted K(alpha ) x-ray radiation is used to probe a cadmium arachidate Langmuir-Blodgett film and a TlAP crystal optically perturbed at laser fluences from 1.8 J/cm2 to 27 J/cm2. Ultrafast disordering inside the lattice -- within a time scale below 600 fs to few tens of picoseconds -- is clearly observed and produce a drop of the probe x-ray diffracted signal.

Paper Details

Date Published: 1 December 1998
PDF: 8 pages
Proc. SPIE 3451, Time Structure of X-Ray Sources and Its Applications, (1 December 1998); doi: 10.1117/12.331846
Show Author Affiliations
Antoine Rousse, Ecole Nationale Superieure de Techniques Avancees (France)
Christian Rischel, Ecole Nationale Superieure de Techniques Avancees (Denmark)
Ingo Uschmann, Friedrich-Schiller-Univ. Jena (Germany)
P. A. Albouy, Univ. de Paris-Sud (France)
Jean-Paul Geindre, Ecole Polytechnique, CEA, and Univ. de Paris VI (France)
Patrick Audebert, Ecole Polytechnique, CEA, and Univ. de Paris VI (France)
Jean-Claude J. Gauthier, Ecole Polytechnique, CEA, and Univ. de Paris VI (France)
Eckhart Foerster, Friedrich-Schiller-Univ. Jena (Germany)
Jean-Louis Martin, Ecole Nationale Superieure de Techniques Avancees (France)
Andre Antonetti, Ecole Nationale Superieure de Techniques Avancees (France)


Published in SPIE Proceedings Vol. 3451:
Time Structure of X-Ray Sources and Its Applications
Andreas K. Freund; Henry P. Freund; Malcolm R. Howells, Editor(s)

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