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Experimental results for high intensity KrF laser/plasma interaction

Published online by Cambridge University Press:  09 March 2009

A. A. Offenberger,
R. Fedosejevs,
P. D. Gupta,
R. Popil and
Y. Y. Tsui
A. A. Offenberger
Affiliation:
Department of Electrical Engineering, University of Alberta, Edmonton, Alberta, Canada, T6G 2G7
R. Fedosejevs
Affiliation:
Department of Electrical Engineering, University of Alberta, Edmonton, Alberta, Canada, T6G 2G7
P. D. Gupta
Affiliation:
Department of Electrical Engineering, University of Alberta, Edmonton, Alberta, Canada, T6G 2G7
R. Popil
Affiliation:
Department of Electrical Engineering, University of Alberta, Edmonton, Alberta, Canada, T6G 2G7
Y. Y. Tsui
Affiliation:
Department of Electrical Engineering, University of Alberta, Edmonton, Alberta, Canada, T6G 2G7
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Abstract

A high power KrF laser system employing beam multiplexing and stimulated Raman or Brillouin scattering to produce pulses as short as 1 ns and focused intensities on target of 1011 to 1014 W/cm2 has been developed for laser/plasma interaction research. A variety of investigations have been pursued on single and multilayer targets with variable atomic numbers. Absorption, transport, X-ray conversion, ion expansion characteristics, mass ablation and ablation pressure scaling, and stimulated scattering instabilities are among features that have been studied as a function of laser intensity. A wide variety of laser and target diagnostics are employed including focal plane imaging cameras for energy distribution and UV and soft X-ray streak cameras for temporally resolving the incident laser pulse and X-ray emission. Experimental results will be presented and our current understanding of the KrF laser/plasma interaction will be discussed.

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Type
Research Article
Information
Laser and Particle Beams , Volume 4 , Issue 3-4 , August 1986, pp. 329 - 348
Copyright
Copyright © Cambridge University Press 1986

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