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Proceedings Paper

Laser and synchrotron radiation pump-probe x-ray absorption experiment with sub-ns resolution
Author(s): Christian Bressler; M. Chergui; Phillip Pattison; Michael Wulff; Adriano Filipponi; Rafael Abela
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Paper Abstract

We present the concept of an experiment that aims at probing in real-time photoinduced structural modifications in a large class of media ranging from biological systems to solid state materials using time-resolved X-ray spectroscopies (Extended X-ray Absorption Fine Structure-EXAFS or X-ray Absorption Near-Edge Structure-XANES) in the picosecond time domain. The principle of the experiment is based on the pump-probe scheme, where an ultrashort laser pulse induces a structural modification in a chemical, physical or biological system. The picosecond hard X-ray pulse from a synchrotron probes the evolution of the structure in real-time by means of an adjustable time delay between the pump and the probe pulses. The paper discusses the case of iodine in liquid solvents as a test bench of the technique.

Paper Details

Date Published: 1 December 1998
PDF: 9 pages
Proc. SPIE 3451, Time Structure of X-Ray Sources and Its Applications, (1 December 1998); doi: 10.1117/12.331845
Show Author Affiliations
Christian Bressler, Univ. de Lausanne, European Synchrotron Radiation Facility, and Paul-Scherrer Institute (Switzerland)
M. Chergui, Univ. de Lausanne (Switzerland)
Phillip Pattison, Univ. de Lausanne (Switzerland)
Michael Wulff, European Synchrotron Radiation Facility (France)
Adriano Filipponi, Univ. degli Studi dell'Aquila (Italy)
Rafael Abela, Paul-Scherrer Institute (Switzerland)


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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