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Generation of strong magnetic fields from laser interaction with two-layer targets

Published online by Cambridge University Press:  17 July 2009

S.Z. Wu ,
C.T. Zhou ,
X.T. He  and
S.-P. Zhu
S.Z. Wu
Affiliation:
Graduate School of the Chinese Academy of Engineering Physics, Beijing, People's Republic of China
C.T. Zhou*
Affiliation:
Institute of Applied Physics and Computational Mathematics, Beijing, People's Republic of China Center for Applied Physics and Technology, Peking University, Beijing, People's Republic of China
X.T. He
Affiliation:
Institute of Applied Physics and Computational Mathematics, Beijing, People's Republic of China Center for Applied Physics and Technology, Peking University, Beijing, People's Republic of China
S.-P. Zhu
Affiliation:
Institute of Applied Physics and Computational Mathematics, Beijing, People's Republic of China
*
Address correspondence and reprint requests to: C.T. Zhou, Institute of Applied Physics and Computational Mathematics, P. O. Box 8009, Beijing 100088, People's Republic of China. E-mail: zcangtao@iapcm.ac.cn
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Abstract

A two-layer target irradiated by an intense laser to generate strong interface magnetic field is proposed. The mechanism is analyzed through a simply physical model and investigated by two-dimensional particle-in-cell simulation. The effect of laser intensity on the resulting magnetic field strength is also studied. It is found that the magnetic field can reach up to several ten megagauss for laser intensity at 1019 Wcm−2.

Keywords

Electron beamsIntense laser-plasma interactionPIC simulationStrong magnetic field
Type
Research Article
Information
Laser and Particle Beams , Volume 27 , Issue 3 , September 2009 , pp. 471 - 474
Copyright
Copyright © Cambridge University Press 2009

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