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Proceedings Paper

Energy distribution of charged particles in laser erosion plume on ablation of solid metallic targets with excimer laser
Author(s): Oleg Alexeyevic Novodvorsky; Elena O. Filippova; Olga D. Khramova; Alexsandr K. Shevelev
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Paper Abstract

The Langmuir probe was used to study erosion plume resulting from ablation of a tantalum target in vacuum with excimer laser (308 nm) radiation. The spatial and temporal dependencies of electron and ion probe currents were obtained in real time. Relying upon a series of dependencies of electron probe currents on the value of probe potential, electron temperature of different plume regions was taken at various distances from the target. It was established that the plume electron temperature is non-uniform. The ion concentration in the plume determined at various distances from the target.

Paper Details

Date Published: 12 March 2001
PDF: 8 pages
Proc. SPIE 4352, Laser Optics 2000: Ultrafast Optics and Superstrong Laser Fields, (12 March 2001); doi: 10.1117/12.418797
Show Author Affiliations
Oleg Alexeyevic Novodvorsky, Institute on Laser and Information Technologies (Russia)
Elena O. Filippova, Institute on Laser and Information Technologies (Russia)
Olga D. Khramova, Institute on Laser and Information Technologies (Russia)
Alexsandr K. Shevelev, Institute on Laser and Information Technologies (Russia)


Published in SPIE Proceedings Vol. 4352:
Laser Optics 2000: Ultrafast Optics and Superstrong Laser Fields
Alexander A. Andreev; Vladimir E. Yashin, Editor(s)

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