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Space-time characterization of laser plasma interactions in the warm dense matter regime

Published online by Cambridge University Press:  19 June 2007

L.F. Cao ,
I. Uschmann ,
F. Zamponi ,
T. Kämpfer ,
A. Fuhrmann ,
E. Förster ,
A. Höll ,
R. Redmer ,
S. Toleikis  and
T. Tschentscher
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L.F. Cao
Affiliation:
Institute for Optics and Quantum Electronics, Friedrich-Schiller-University, Jena, Germany
I. Uschmann
Affiliation:
Institute for Optics and Quantum Electronics, Friedrich-Schiller-University, Jena, Germany
F. Zamponi
Affiliation:
Institute for Optics and Quantum Electronics, Friedrich-Schiller-University, Jena, Germany
T. Kämpfer
Affiliation:
Institute for Optics and Quantum Electronics, Friedrich-Schiller-University, Jena, Germany
A. Fuhrmann
Affiliation:
Institute for Optics and Quantum Electronics, Friedrich-Schiller-University, Jena, Germany
E. Förster
Affiliation:
Institute for Optics and Quantum Electronics, Friedrich-Schiller-University, Jena, Germany
A. Höll
Affiliation:
Institute for Physics, University Rostock, Rostock, Germany
R. Redmer
Affiliation:
Institute for Physics, University Rostock, Rostock, Germany
S. Toleikis
Affiliation:
Hasylab, DESY Hamburg, Hamburg, Germany
T. Tschentscher
Affiliation:
Hasylab, DESY Hamburg, Hamburg, Germany
S.H. Glenzer
Affiliation:
L-399, Lawrence Livermore National Laboratory, University of California, Livermore, California
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Abstract

Laser plasma interaction experiments have been performed using an fs Titanium Sapphire laser. Plasmas have been generated from planar PMMA targets using single laser pulses with 3.3 mJ pulse energy, 50 fs pulse duration at 800 nm wavelength. The electron density distributions of the plasmas in different delay times have been characterized by means of Nomarski Interferometry. Experimental data were compared with hydrodynamic simulation. First results to characterize the plasma density and temperature as a function of space and time are obtained. This work aims to generate plasmas in the warm dense matter (WDM) regime at near solid-density in an ultra-fast laser target interaction process. Plasmas under these conditions can serve as targets to develop X-ray Thomson scattering as a plasma diagnostic tool, e.g., using the Vacuum ultraviolet (VUV) free-electron laser (FLASH) at Dentsches Elektronen-Synchrotron (DESY) Hamburg.

Keywords

InterferometryLaser plasma interactionThomson scatteringWarm dense matter
Type
Research Article
Information
Laser and Particle Beams , Volume 25 , Issue 2 , June 2007 , pp. 239 - 244
Copyright
© 2007 Cambridge University Press

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