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Proceedings Paper

Space-resolved keV spectroscopy study of neonlike x-ray laser plasmas created with low-level prepulse irradiation
Author(s): Marc Nantel; Annie Klisnick; Gerard Jamelot; P. B. Holden; Pierre Jaegle; Philippe Zeitoun; Gregory J. Tallents; Andrew G. MacPhee; Ciaran L. S. Lewis
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Paper Abstract

Through the use of time-integrated space-resolved keV spectroscopy, we investigate line plasmas showing gain for irradiation using the prepulse technique. The experiments were conducted with the LULI laser of the Ecole Polytechnique, Palaiseau (France), at 1.06 micrometer with prepulse-to-main pulse intensity ratio ranging from 10-6 to 10-2. The particular x-ray lasers which were studied were the collisionally excited Ne-like zinc, copper and nickel systems. The effect of the prepulses on plasma conditions are inferred through spectroscopic line ratio diagnostics. It is observed that the value of the electron temperature for each system does not vary significantly with prepulse levels, nor does their spatially resolved profile along the line. The lateral width and density of the Ne-like regions in the plasmas of all three x-ray lasers are seen to increase with the prepulse level.

Paper Details

Date Published: 25 September 1995
PDF: 7 pages
Proc. SPIE 2520, Soft X-Ray Lasers and Applications, (25 September 1995); doi: 10.1117/12.221627
Show Author Affiliations
Marc Nantel, Univ. de Paris-Sud (France)
Annie Klisnick, Univ. de Paris-Sud (France)
Gerard Jamelot, Univ. de Paris-Sud (France)
P. B. Holden, Univ. de Paris-Sud (France)
Pierre Jaegle, Univ. de Paris-Sud (France)
Philippe Zeitoun, Univ. de Paris-Sud (France) and Univ. of Essex (United Kingdom)
Gregory J. Tallents, Univ. of Essex (United Kingdom)
Andrew G. MacPhee, Queen's Univ. of Belfast (United Kingdom)
Ciaran L. S. Lewis, Queen's Univ. of Belfast (United Kingdom)

Published in SPIE Proceedings Vol. 2520:
Soft X-Ray Lasers and Applications
Jorge J. G. Rocca; Peter L. Hagelstein, Editor(s)

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