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Proceedings Paper

Plasma heating by CO2-laser pulses for efficient multicharged ion generation
Author(s): Konstantin N. Makarov; Dmitri D. Maluta; Vitali C. Roerich; Yuri A. Satov; Yuri B. Smakovskii; Andrei E. Stepanov
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Paper Abstract

CO2 laser-produced plasma ion component parameters were studied experimentally and numerically for aluminum and lead targets at peak laser intensity of 4 x 1013 W cm-2 and FWHM pulse duration of 15 ns. Angular dependences of ion number density, average velocity, and its spread were measured for different charge states by time-of-flight method. Ion charge state distribution shows high-charge and low-charge state groups. Ions in these groups have different average expansion velocity and longitudinal velocity spread. Angular distribution of high charge states is narrower than that of the low-charge state ion group, maximum yield of low charge states occurs at some angle from normal. For Al target the results show similar trends as for Pb target, but simulations have indicated that the effect of laser ponderomotive force is more pronounced in this case.

Paper Details

Date Published: 12 December 2003
PDF: 8 pages
Proc. SPIE 5228, ECLIM 2002: 27th European Conference on Laser Interaction with Matter, (12 December 2003); doi: 10.1117/12.536893
Show Author Affiliations
Konstantin N. Makarov, Troitsk Institute for Innovation and Fusion Research (Russia)
Dmitri D. Maluta, Troitsk Institute for Innovation and Fusion Research (Russia)
Vitali C. Roerich, Troitsk Institute for Innovation and Fusion Research (Russia)
Yuri A. Satov, Troitsk Institute for Innovation and Fusion Research (Russia)
Yuri B. Smakovskii, Troitsk Institute for Innovation and Fusion Research (Russia)
Andrei E. Stepanov, Troitsk Institute for Innovation and Fusion Research (Russia)


Published in SPIE Proceedings Vol. 5228:
ECLIM 2002: 27th European Conference on Laser Interaction with Matter
Oleg N. Krokhin; Sergey Yu. Gus'kov; Yury A. Merkul'ev, Editor(s)

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