Ablation Measurements Using Ni-Like Ag X-Ray Laser Transmission

  • N. Booth
  • M. H. Edwards
  • Z. Zhai
  • G. J. Tallents
  • T. Dzelzainis
  • R. Ferrari
  • C. L. S. Lewis
  • G. Gregori
  • D. Neely
Part of the Springer Proceedings in Physics book series (SPPHY, volume 130)

Abstract

Abstract. Results of a recent experiment to measure laser ablation rates from solid targets consisting of thin (50 nm) Fe at irradiances of ~ 2×1013 Wcm−2 are presented. A Ni-like Ag X-ray laser at 13.9 nm was utilised to probe the targets and measurements of the transmission of the X-ray laser through the target were recorded by a flat-field spectrometer. The laser ablation rate is determined by the transmission of the X-ray laser through the remaining, unablated, iron layer. A self-regulating model of laser ablation is fitted to the experimental data to give a value of the absorption, A, of the heating laser in the target plasma of A = 0.01.

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Copyright information

© Springer 2009

Authors and Affiliations

  • N. Booth
    • 1
  • M. H. Edwards
    • 1
  • Z. Zhai
    • 1
  • G. J. Tallents
    • 1
  • T. Dzelzainis
    • 2
  • R. Ferrari
    • 2
  • C. L. S. Lewis
    • 2
  • G. Gregori
    • 3
  • D. Neely
    • 3
  1. 1.Department of PhysicsUniversity of YorkHeslingtonUK
  2. 2.School of Mathematics and PhysicsQueen's University of BelfastBelfastUK
  3. 3.Central Laser Facility, STFC, Rutherford Appleton LaboratoryChiltonUK

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