Applied Physics B

, Volume 78, Issue 7–8, pp 933–937 | Cite as

Soft X-ray laser diagnostics of exploding aluminum wire plasmas

  • E.C. Hammarsten
  • B. Szapiro
  • E. Jankowska
  • J. Filevich
  • M.C. Marconi
  • J.J. Rocca
Invited paper

Abstract

The evolution of current-driven thin single Al wire plasmas was studied with soft X-ray shadowgraphy and interferometry using a very compact capillary discharge-driven λ=46.9 nm laser probe. Wires of 25 μm diameter excited by current pulses with a 78 A/ns increase rate were observed to expand uniformly at a rate of 3.5 μm/ns. In contrast, an increase in the rate of energy deposited per unit mass was observed to give rise to significant early plasma instabilities. The results illustrate the use of table-top soft X-ray lasers as a new tool for the diagnostics of dense pulse power driven plasmas.

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Copyright information

© Springer-Verlag 2004

Authors and Affiliations

  • E.C. Hammarsten
    • 1
  • B. Szapiro
    • 1
    • 2
  • E. Jankowska
    • 1
    • 3
  • J. Filevich
    • 1
  • M.C. Marconi
    • 1
    • 4
  • J.J. Rocca
    • 1
  1. 1.NSF ERC for Extreme Ultraviolet Science and Technology and Dept. of Electrical and Computer EngineeringColorado State UniversityFort CollinsUSA
  2. 2.Dept. of PhysicsThe University of the SouthSewaneeUSA
  3. 3.Dept. of PhysicsWroclaw University of TechnologyWroclawPoland
  4. 4.Dept. of PhysicsUniversity of Buenos AiresArgentina

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