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Investigations of ion streams emitted from plasma produced with a high-power picosecond laser

Published online by Cambridge University Press:  01 April 1999

J. BADZIAK ,
A.A. KOZLOV ,
J. MAKOWSKI ,
P. PARYS ,
L. RYĆ ,
J. WOŁOWSKI ,
E. WORYNA  and
A.B. VANKOV
J. BADZIAK
Affiliation:
Institute of Plasma Physics and Laser Microfusion, 23 Hery St., P.O. Box 49, 00-908 Warsaw, Poland
A.A. KOZLOV
Affiliation:
Institute for Laser Physics SC, ′S.I. Vavilov State Optical Institute, Birzhevaya line 12, 199034 St. Petersburg, Russia
J. MAKOWSKI
Affiliation:
Institute of Plasma Physics and Laser Microfusion, 23 Hery St., P.O. Box 49, 00-908 Warsaw, Poland
P. PARYS
Affiliation:
Institute of Plasma Physics and Laser Microfusion, 23 Hery St., P.O. Box 49, 00-908 Warsaw, Poland
L. RYĆ
Affiliation:
Institute of Plasma Physics and Laser Microfusion, 23 Hery St., P.O. Box 49, 00-908 Warsaw, Poland
J. WOŁOWSKI
Affiliation:
Institute of Plasma Physics and Laser Microfusion, 23 Hery St., P.O. Box 49, 00-908 Warsaw, Poland
E. WORYNA
Affiliation:
Institute of Plasma Physics and Laser Microfusion, 23 Hery St., P.O. Box 49, 00-908 Warsaw, Poland
A.B. VANKOV
Affiliation:
Institute for Laser Physics SC, ′S.I. Vavilov State Optical Institute, Birzhevaya line 12, 199034 St. Petersburg, Russia
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Abstract

This work reports on investigations of parameters of ion streams emitted from a plasma produced with a picosecond laser at the power densities ≥1016 W/cm2. Not many papers dealing with such investigations have been published up to now, in spite of the fact that the application of precise corpuscular diagnostics enables better learning of the physical properties of such a plasma. As a result of the investigations carried out, the average and maximum energies of Cu ions were 30 keV and 150 keV, respectively. The maximum charge of Cu ions was 13+. The dependencies of parameters of ions emitted from the plasma on the laser-pulse energy as well as on the location of the focus of the laser beam with respect to the target's surface were also found out. The results obtained from the ion measurements in relation to the results of measurements of X ray are discussed.

Type
Research Article
Information
Laser and Particle Beams , Volume 17 , Issue 2 , April 1999 , pp. 323 - 329
Copyright
© 1999 Cambridge University Press

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