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Proceedings Paper

Exafs/Reflexafs Experiments Using Laser-Produced Plasma X-Ray Sources
Author(s): R. W. Eason; T. A. Hall; A. Djaoui; C. Jackson; B. Shiwai; D. K. Bradley; A. J. Rankin; S. D. Tabatabaei; G. N . Greaves; S. J. Rose
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Paper Abstract

Laser-produced plasma continuum X-ray sources have been generated using the high power VULCAN glass laser system at the SERC Rutherford Appleton Laboratory, and used for a range of X-ray absorption spectroscopic measurements. EXAFS (extended X-ray absorpticn fine structure) spectra have been recorded in transmission mode for various low Z materials using both time-integrated and time-resolved techniques, and experiments have been performed to study ion correlation effects in a strongly coupled plasma via nearest neighbour distance measurement. A reflection geometry has also been demonstrated in which grazing incidence reflection EXAFS (ref lEXAFS) spectra have been recorded, and experiments performed to investigate surface effects occurring during pulsed laser irradiation of thin nickel overlays on silicon. An assessment is made of the usefulness of such experimental methods, and comparisons made with alternative techniques.

Paper Details

Date Published: 4 February 1988
PDF: 11 pages
Proc. SPIE 0831, X-Rays from Laser Plasmas, (4 February 1988); doi: 10.1117/12.965038
Show Author Affiliations
R. W. Eason, University of Essex (United Kingdom)
T. A. Hall, University of Essex (United Kingdom)
A. Djaoui, University of Essex (United Kingdom)
C. Jackson, University of Essex (United Kingdom)
B. Shiwai, University of Essex (United Kingdom)
D. K. Bradley, Centre for X-ray Optics, Lawrence Berkeley Laboratory (United States)
A. J. Rankin, Imperial College (United Kingdom)
S. D. Tabatabaei, Imperial College (United Kingdom)
G. N . Greaves, Daresbury Laboratory (United Kingdom)
S. J. Rose, Rutherford Appleton Laboratory (United Kingdom)


Published in SPIE Proceedings Vol. 0831:
X-Rays from Laser Plasmas
Martin C. Richardson, Editor(s)

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