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X-ray pulsation caused by collapse processes in laser interaction with plasma

Published online by Cambridge University Press:  09 March 2009

C. Arnas ,
J. Briand ,
J. F. Moor ,
M. Armengaud  and
A. Gomes
C. Arnas
Affiliation:
Laboratoire de Physique des Plasmas, URA 277 du CNRS I.R. S.A.M.C., Université Paul Sabatier, 118, route de Narbonne, 31062 Toulouse, Cedex, France
J. Briand
Affiliation:
Laboratoire de Physique des Plasmas, URA 277 du CNRS I.R. S.A.M.C., Université Paul Sabatier, 118, route de Narbonne, 31062 Toulouse, Cedex, France
J. F. Moor
Affiliation:
Laboratoire de Physique des Plasmas, URA 277 du CNRS I.R. S.A.M.C., Université Paul Sabatier, 118, route de Narbonne, 31062 Toulouse, Cedex, France
M. Armengaud
Affiliation:
Laboratoire de Physique des Plasmas, URA 277 du CNRS I.R. S.A.M.C., Université Paul Sabatier, 118, route de Narbonne, 31062 Toulouse, Cedex, France
A. Gomes
Affiliation:
Laboratoire de Physique des Plasmas, URA 277 du CNRS I.R. S.A.M.C., Université Paul Sabatier, 118, route de Narbonne, 31062 Toulouse, Cedex, France
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Abstract

The time-resolved X-ray emission recorded from a plasma produced by a Nd laser at high intensity (>1014 W/cm2) shows successive bursts. They are correlated with the pulsation of the back-scattered second harmonic spectrum obtained during the same shot. Both results show that the plasmons resonantly excited at the critical surface by the laser waves can undergo quasiperiodically the collapse process.

Type
Research Article
Information
Laser and Particle Beams , Volume 10 , Issue 4 , December 1992 , pp. 639 - 643
Copyright
Copyright © Cambridge University Press 1992

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References

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