Energy Spectrum and Charge Composition of Ions of Laser-Produced Gd and Al Plasmas

The energy spectrum and the distribution of the total charge over the ion energy are studied for plasma produced by partially coherent radiation of the neodymium glass laser with a power density of ~10 13 W/cm 2 in the focusing spot incident on continuous gadolinium (Gd) and aluminum(Al) plates. The...

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Bibliographic Details
Published in:Bulletin of the Lebedev Physics Institute 2018-08, Vol.45 (8), p.241-245
Main Authors: Puzyrev, V. N., Sahakyan, A. T., Starodub, A. N., Fakhriev, B. R., Fronya, A. A., Yakushev, O. F.
Format: Article
Language:English
Subjects:
Aluminum
Coherent radiation
Energy spectra
Gadolinium
Ion emission
Ion energy distribution
Lasers
Neodymium
Physics
Physics and Astronomy
Plasmas (physics)
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Summary:The energy spectrum and the distribution of the total charge over the ion energy are studied for plasma produced by partially coherent radiation of the neodymium glass laser with a power density of ~10 13 W/cm 2 in the focusing spot incident on continuous gadolinium (Gd) and aluminum(Al) plates. The spectra of plasma ions for gadolinium and aluminumtargets are presented at laser radiation energies of 2, 7, 20 J and 1 J, respectively. For the gadolinium target, an increase in the peak amplitudes in ion spectra with increasing influencing radiation energy and manifestations of higher-energy ions are observed. The difference in the ion emission for gadolinium and aluminum targets is also recorded at close radiation energies of 2 and 1 J, respectively.
ISSN:1068-3356
1934-838X
DOI:10.3103/S1068335618080055