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Shock pressure induced by 0.44 μm laser radiation on aluminum targets

  • D. Batani
  • , H. Stabile
  • , A. Ravasio
  • , T. Desai
  • , G. Lucchini
  • , F. Strati
  • , J. Ullschmied
  • , E. Krousky
  • , J. Skala
  • , B. Kralikova
  • , M. Pfeifer
  • , C. Kadlec
  • , T. Mocek
  • , A. Präg
  • , H. Nishimura
  • , Y. Ochi
  • , A. Kilpio
  • , E. Shashkov
  • , I. Stuchebrukhov
  • , V. Vovchenko
  • I. Krasuyk
  • Dipartimento di Fisica G. Occhialini
  • University of Milano-Bicocca
  • Prague Asterix Laser Research Centre
  • Institute of Laser Engineering (ILE)
  • Osaka University
  • Prokhorov General Physics Institute of the Russian Academy of Sciences

Research output: Contribution to journalArticlepeer-review

16 Citations (Scopus)

Abstract

Shock pressure generated in aluminum targets due to the interaction of 0.44 μm (3 ω of iodine laser) laser radiation has been studied. The laser intensity profile was smoothed using phase zone plates. Aluminum step targets were irradiated at an intensity I ≈ 1014 W/cm2. Shock velocity in the aluminum target was estimated by detecting the shock luminosity from the target rear using a streak camera to infer the shock pressure. Experimental results show a good agreement with the theoretical model based on the delocalized laser absorption approximation. In the present report, we explicitly discuss the importance of target thickness on the shock pressure scaling.

Original languageEnglish
Pages (from-to)481-487
Number of pages7
JournalLaser and Particle Beams
Volume21
Issue number4
DOIs
Publication statusPublished - 1 Dec 2003
Externally publishedYes

Keywords

  • Rear target luminosity
  • Shock pressure
  • Short laser wavelength interaction
  • Streak images

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