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Proceedings Paper

Laser-driven shock experiments at PALS
Author(s): Dimitri Batani; H. Stabile; A. Ravasio; Tara Desai; G. Lucchini; F. Strati; Jiri Ullschmied; E. Krousky; Jiri Skala; Bozena Kralikova; Miroslav Pfeifer; Christelle Kadlec; Tomas Mocek; A. R. Prag; Hiroaki Nishimura; Yoshihiro Ochi; Vladimir D. Zvorykin
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Paper Abstract

Here we discuss the results of the experiments performed using the Prague Asterix Laser System (PALS) of wavelength 0.44 μm (3ω of Iodine laser) and energy ≈ 250 J in 450 ps (FWHM). Two sets of experiments were carried out, firstly, generation of high quality shocks which were steady in time and uniform in space using Phase Zone Plates (PZP), to establish the scaling laws of shock pressure Vs. laser intensity for aluminum foil target of thickness 8 μm. Our results show a good agreement with the delocalized laser absorption model. Secondly, measurements of the Equation of State of carbon compressed by shocks at megabars of pressure have been realized. Equation of State were obtained for carbon using the impedance mismatch technique. Step targets allowed the simultaneous measurements of shock velocity in two different materials. Aluminum was used as a reference material and relative EOS data for carbon have been obtained up to ≈ 14 Mbar pressure.

Paper Details

Date Published: 2 April 2004
PDF: 9 pages
Proc. SPIE 5399, Laser-Assisted Micro- and Nanotechnologies 2003, (2 April 2004); doi: 10.1117/12.552846
Show Author Affiliations
Dimitri Batani, Univ. degli Studi di Milano-Bicocca (Italy)
INFM (Italy)
H. Stabile, Univ. degli Studi di Milano-Bicocca (Italy)
INFM (Italy)
A. Ravasio, Univ. degli Studi di Milano-Bicocca (Italy)
INFM (Italy)
Tara Desai, Univ. degli Studi di Milano-Bicocca (Italy)
INFM (Italy)
G. Lucchini, Univ. degli Studi di Milano-Bicocca (Italy)
INFM (Italy)
F. Strati, Univ. degli Studi di Milano-Bicocca (Italy)
INFM (Italy)
Jiri Ullschmied, PALS Research Ctr. (Czech Republic)
E. Krousky, PALS Research Ctr. (Czech Republic)
Jiri Skala, PALS Research Ctr. (Czech Republic)
Bozena Kralikova, PALS Research Ctr. (Czech Republic)
Miroslav Pfeifer, PALS Research Ctr. (Czech Republic)
Christelle Kadlec, PALS Research Ctr. (Czech Republic)
Tomas Mocek, PALS Research Ctr. (Czech Republic)
A. R. Prag, PALS Research Ctr. (Czech Republic)
Hiroaki Nishimura, Osaka Univ. (Japan)
Yoshihiro Ochi, Osaka Univ. (Japan)
Vladimir D. Zvorykin, P.N. Lebedev Physical Institute (Russia)

Published in SPIE Proceedings Vol. 5399:
Laser-Assisted Micro- and Nanotechnologies 2003
Vadim P. Veiko, Editor(s)

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