Production of high-current heavy ion jets at the short-wavelength subnanosecond laser-solid interaction

Generation of ion fluxes at the interaction of 70 J , 0.438 μ m subnanosecond laser pulse with a massive planar target has been investigated. It is shown that after proper optimization of high- Z (Cu or Ta) target irradiation, a highly collimated heavy ion jet of the ion current > 100 A and the i...

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Bibliographic Details
Published in:Applied physics letters 2007-08, Vol.91 (8), p.081502-081502-3
Main Authors: Badziak, J., Kasperczuk, A., Parys, P., Pisarczyk, T., Rosiński, M., Ryć, L., Wołowski, J., Jabłoński, S., Suchańska, R., Krousky, E., Láska, L., Mašek, K., Pfeifer, M., Ullschmied, J., Dareshwar, L. J., Földes, I., Torrisi, L., Pisarczyk, P.
Format: Article
Language:English
Subjects:
70 PLASMA PHYSICS AND FUSION TECHNOLOGY
BEAM CURRENTS
COPPER
CURRENT DENSITY
ENERGY CONVERSION
HEAVY IONS
INTERACTIONS
IRRADIATION
LASERS
LIGHT TRANSMISSION
PLASMA
PLASMA JETS
PLASMA PRODUCTION
PULSES
TANTALUM
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Summary:Generation of ion fluxes at the interaction of 70 J , 0.438 μ m subnanosecond laser pulse with a massive planar target has been investigated. It is shown that after proper optimization of high- Z (Cu or Ta) target irradiation, a highly collimated heavy ion jet of the ion current > 100 A and the ion current density > 1 A ∕ cm 2 at 1 m from the target can be produced with an energy conversion efficiency nearly 10%.
ISSN:0003-6951
1077-3118
DOI:10.1063/1.2771378