Effect of a laser prepulse on ion acceleration when an ultraintense laser pulse interacts with a foil target

Aleksandr A. Andreev; Alexei G. Zhidkov; Akira Sasaki; Konstantin Y. Platonov; Toshi Tajima

doi:10.1117/12.418791

12 March 2001 Effect of a laser prepulse on ion acceleration when an ultra-intense laser pulse interacts with a foil target

Aleksandr A. Andreev, Alexei G. Zhidkov, Akira Sasaki, Konstantin Y. Platonov, Toshi Tajima

Author Affiliations +

Proceedings Volume 4352, Laser Optics 2000: Ultrafast Optics and Superstrong Laser Fields; (2001) https://doi.org/10.1117/12.418791
Event: Laser Optics 2000, 2000, St. Petersburg, Russian Federation

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.

Citation Download Citation

Aleksandr A. Andreev, Alexei G. Zhidkov, Akira Sasaki, Konstantin Y. Platonov, and Toshi Tajima "Effect of a laser prepulse on ion acceleration when an ultra-intense laser pulse interacts with a foil target", Proc. SPIE 4352, Laser Optics 2000: Ultrafast Optics and Superstrong Laser Fields, (12 March 2001); https://doi.org/10.1117/12.418791

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