Characterization of plasma jets from thin foils irradiated at high laser intensity

K. Kakolee, D. Doria, S. Kar, B. Ramakrishna, G. Sarri, K. Quinn, J. Osterholz, M. Cerchez, O. Willi, X. Yuan, P. McKenna, M. Borghesi

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Abstract

Evolution of plasma jets from micron to sub-micron thickness foils following the interaction of ultra intense (up to 3 ×1020 W/cm2) laser pulses is investigated. The dynamics of the collimated plasma jet from the target rear surface was followed by time resolved optical interferometry. We found a correlation between laser intensity and target areal density in the formation of supersonic dense plasma jets. With the maximum achievable intensity on target, jets with Mach number up to 10 have been observed from 1 um thick Cu foils expanding longitudinally with a velocity of 2×106 m/s.

Original languageEnglish
Title of host publication37th EPS Conference on Plasma Physics 2010
EditorsC. McKenna
Place of PublicationMulhouse, France
Number of pages4
Volume34A
Publication statusPublished - 1 Dec 2010
Event37th EPS Conference on Plasma Physics 2010, EPS 2010 - Dublin, Ireland
Duration: 21 Jun 201025 Jun 2010

Conference

Conference37th EPS Conference on Plasma Physics 2010, EPS 2010
CountryIreland
CityDublin
Period21/06/1025/06/10

Keywords

  • plasma jets
  • sub-micron thickness foils
  • laser pulses
  • high power lasers
  • astrophysics

Projects

Cite this

Kakolee, K., Doria, D., Kar, S., Ramakrishna, B., Sarri, G., Quinn, K., Osterholz, J., Cerchez, M., Willi, O., Yuan, X., McKenna, P., & Borghesi, M. (2010). Characterization of plasma jets from thin foils irradiated at high laser intensity. In C. McKenna (Ed.), 37th EPS Conference on Plasma Physics 2010 (Vol. 34A). [P5.215].