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Conferences > SWV > 1993 > STI > STI196

Time Resolved Spectroscopy of Ultrashort Plasmas

J. C. Kieffer, Y. Beaudoin, M. Chaker, C. Y. Côté, Z. Jiang, T. W. Johnston, J. P. Matte, H. Pépin, C. Y. Chien, S. Coe, G. Mourou, O. Peyrusse, A. Mens, R. Verrecchia, R. Sauneuf, D. Schirmann, and J. Dubau

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Abstract

X-ray diagnostics are employed to characterize a plasma produced by a high contrast subpicosecond laser at intensities between 1016 W/cm2 and 1018 W/cm2. The plasma dynamics and the basic processes which control the duration of the X-ray pulse are quantitatively studied by means of polarization spectroscopy and time resolved spectroscopy with a picosecond temporal resolution. The experimental results are discussed with time dependent calculations of the atomic physics coupled to kinetic Fokker-Planck modelling.

© 1993 Optical Society of America

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