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Generation of attosecond X-ray pulses via Thomson scattering of counter-propagating laser pulses

Published online by Cambridge University Press:  21 January 2010

L. Liu
Affiliation:
State key Laboratory of High Field Laser Physics, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai, People's Republic of China
C.-Q. Xia
Affiliation:
State key Laboratory of High Field Laser Physics, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai, People's Republic of China
J.-S. Liu*
Affiliation:
State key Laboratory of High Field Laser Physics, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai, People's Republic of China
W.-T. Wang
Affiliation:
State key Laboratory of High Field Laser Physics, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai, People's Republic of China
Y. Cai
Affiliation:
State key Laboratory of High Field Laser Physics, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai, People's Republic of China
C. Wang
Affiliation:
State key Laboratory of High Field Laser Physics, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai, People's Republic of China
R.-X. Li
Affiliation:
State key Laboratory of High Field Laser Physics, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai, People's Republic of China
Z.-Z. Xu
Affiliation:
State key Laboratory of High Field Laser Physics, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai, People's Republic of China
*
Address correspondence and reprint requests to: J.-S. Liu, State key Laboratory of High Field Laser Physics, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences. P.O. Box 800-211, Shanghai 201800, People's Republic of China. E-mail: michaeljs_liu@siom.ac.cn

Abstract

It is proposed that single attosecond pulses be generated via electron's Thomson scattering of two counter-propagating laser pulses. In the case of linear polarization, the generation of a single attosecond pulse is highly sensitive to the carrier envelope phase (CEP). However, in the case of circular polarization, it is completely independent on the CEP, which will make circular polarization favorable to generate a stable attosecond X-ray pulse. For either linear or circular polarization, the radiation obtained by using two counter-propagating pulses can be much more intense than that obtained by only using one of these two pulses.

Type
Research Article
Copyright
Copyright © Cambridge University Press 2010

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