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Proceedings Paper

Maximum attainable ion energy in the radiation pressure acceleration regime
Author(s): S. S. Bulanov; E. Esarey; C. B. Schroeder; S. V. Bulanov; T. Zh. Esirkepov; M. Kando; F. Pegoraro; W. P. Leemans
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Paper Abstract

The laser group velocity plays a crucial role in laser driven acceleration of electrons and ions. In particular, a highly efficient mechanism of laser driven ion acceleration, Radiation Pressure Acceleration, has a fundamental limit on the maximum attainable ion energy, which is determined by the group velocity of the laser. However there is another limiting factor that may shed the group velocity effects. It is due to the transverse expansion of the target, which happens in the course of a tightly focused laser pulse interaction with a thin foil. Transversely expanding targets become increasingly transparent for radiation thus terminating the acceleration. Utilization of an external guiding structure for the accelerating laser pulse may provide a way of compensating for the group velocity and transverse expansion effects.

Paper Details

Date Published: 14 May 2015
PDF: 12 pages
Proc. SPIE 9514, Laser Acceleration of Electrons, Protons, and Ions III; and Medical Applications of Laser-Generated Beams of Particles III, 95140G (14 May 2015); doi: 10.1117/12.2182207
Show Author Affiliations
S. S. Bulanov, Lawrence Berkeley National Lab. (United States)
E. Esarey, Lawrence Berkeley National Lab. (United States)
C. B. Schroeder, Lawrence Berkeley National Lab. (United States)
S. V. Bulanov, Japan Atomic Energy Agency (Japan)
Prokhorov Institute of General Physics (Russian Federation)
Moscow Institute of Physics and Technology (Russian Federation)
T. Zh. Esirkepov, Japan Atomic Energy Agency (Japan)
M. Kando, Japan Atomic Energy Agency (Japan)
F. Pegoraro, Univ. of Pisa (Italy)
Istituto Nazionale di Ottica (Italy)
W. P. Leemans, Lawrence Berkeley National Lab. (United States)


Published in SPIE Proceedings Vol. 9514:
Laser Acceleration of Electrons, Protons, and Ions III; and Medical Applications of Laser-Generated Beams of Particles III
Kenneth W. D. Ledingham; Eric Esarey; Carl B. Schroeder; Klaus Spohr; Paul McKenna; Florian J. Grüner; Paul R. Bolton, Editor(s)

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