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Particle-in-cell simulations of high-energy electron production by intense laser pulses in underdense plasmas

Published online by Cambridge University Press:  20 December 2006

S. KATO ,
E. MIURA ,
M. TANIMOTO ,
S. MASUDA ,
M. ADACHI ,
T. WATANABE  and
K. KOYAMA
S. KATO
Affiliation:
National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba Central 2, 1-1-1, Umezono, Tsukuba, Ibaraki 305-8568, Japan
E. MIURA
Affiliation:
National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba Central 2, 1-1-1, Umezono, Tsukuba, Ibaraki 305-8568, Japan
M. TANIMOTO
Affiliation:
Department of Electrical Engineering, Meisei University, 2-1-1, Hodokubo, Hino, Tokyo 191-8506, Japan
S. MASUDA
Affiliation:
National Institute of Radiological Sciences (NIRS), 4-9-1, Anagawa, Inage-ku, Chiba, Chiba 263-8555, Japan
M. ADACHI
Affiliation:
Graduate School of Advanced Science of Matter, Hiroshima University, 1-3-1, Kagamiyama, Higashi-Hiroshima, Hiroshima 739-8530, Japan
T. WATANABE
Affiliation:
Graduate School of Advanced Science of Matter, Hiroshima University, 1-3-1, Kagamiyama, Higashi-Hiroshima, Hiroshima 739-8530, Japan
K. KOYAMA
Affiliation:
National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba Central 2, 1-1-1, Umezono, Tsukuba, Ibaraki 305-8568, Japan
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Abstract

The propagation of intense laser pulses and the generation of high-energy electrons from underdense plasmas are investigated using two-dimensional particle-in-cell simulations. It is shown that quasi-monoenergetic electron beams are generated in the regime where the laser pulse length is much longer than the plasma wavelength, when the condition of the focusing is appropriately controlled.

Type
Papers
Information
Journal of Plasma Physics , Volume 72 , Issue 6 , December 2006 , pp. 1285 - 1289
Copyright
2006 Cambridge University Press

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