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Proceedings Paper

Effect of a laser prepulse on ion acceleration when an ultra-intense laser pulse interacts with a foil target
Author(s): Aleksandr A. Andreev; Alexei G. Zhidkov; Akira Sasaki; Konstantin Y. Platonov; Toshi Tajima
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Paper Abstract

Upon the interaction of an ultra intense laser pulse with a solid target, generated fast electrons can produce MeV ions from laser plasmas. These fast ions can be used in different applications ranging from ion implantation to nuclear reaction stimulation. The most important point is the efficiency of this fast ion production. We analyze--with help of an analytical model and PIC code simulations--the different acceleration mechanisms and compare the efficiency of electrostatic ion acceleration, at the front and rear of a foil target, the ponderomotive mechanism and acceleration by the shock wave in detail. The optimal plasma density distribution, shaped by laser prepulse, is found.

Paper Details

Date Published: 12 March 2001
PDF: 12 pages
Proc. SPIE 4352, Laser Optics 2000: Ultrafast Optics and Superstrong Laser Fields, (12 March 2001); doi: 10.1117/12.418791
Show Author Affiliations
Aleksandr A. Andreev, Institute for Laser Physics (Russia)
Alexei G. Zhidkov, Japan Atomic Energy Research Institute (Japan)
Akira Sasaki, Japan Atomic Energy Research Institute (Japan)
Konstantin Y. Platonov, Institute for Laser Physics (Russia)
Toshi Tajima, Lawrence Livermore National Lab. and Japan Atomic Energy Research Institute (United States)


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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