Volume 60, Number 6, December 2002
|Page(s)||861 - 867|
|Section||Physics of gases, plasmas and electric discharges|
|Published online||01 December 2002|
Demonstration of aluminum K-shell line shifts in isochorically heated targets driven by ultrashort laser pulses
Max-Planck-Institut für Quantenoptik -
D-85748 Garching, Germany
2 Department of Physics, University of Nevada - Reno, NV 89557-0058, USA
3 Los Alamos National Laboratory - Los Alamos, NM 87545, USA
Accepted: 27 September 2002
Targets consisting of 25 layers buried in solid carbon at depths of up to 400 have been irradiated with frequency doubled :sapphire laser pulses of 150 duration at an intensity of a few 1017 . The analysis of the emitted K-shell spectra yields densities close to that of solid and temperatures around 500. By using the cold line for wavelength calibration, the presence of a red dense-plasma line shift for several K-shell resonance and associated satellite lines is clearly demonstrated.
PACS: 52.50.Jm – Plasma production and heating by laser beams (laser-foil, laser-cluster, etc.) / 32.30.Rj – X-ray spectra / 32.70.Jz – Line shapes, widths, and shifts
© EDP Sciences, 2002
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