TITLE

Acceleration and guiding of fast electrons by a nanobrush target

AUTHOR(S)
Zhao, Zongqing; Cao, Lihua; Cao, Leifeng; Wang, Jian; Huang, Wenzhong; Jiang, Wei; He, Yingling; Wu, Yuchi; Zhu, Bin; Dong, Kegong; Ding, Yongkun; Zhang, Baohan; Gu, Yuqiu; Yu, M. Y.; He, X. T.
PUB. DATE
December 2010
SOURCE
Physics of Plasmas;Dec2010, Vol. 17 Issue 12, p123108
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
Laser interaction with a nanobrush target plasma is investigated at the SILEX-I laser facility [X. F. Wei et al., J. Phys. Conf. Ser. 112, 032010 (2008)] with a laser of intensity 7.9×1018 W/cm2. Highly collimated fast electron beams with yields of more than three times higher than that from the planar target can be produced. Two-dimensional particle-in-cell simulation confirms that a layered surface structure can increase the efficiency of laser energy absorption, and the resulting fast electrons are tightly collimated and guided by the plasma layers to a cross section of about the laser spot size.
ACCESSION #
56912086

 

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