Acceleration and guiding of fast electrons by a nanobrush target
- 1 December 2010
- journal article
- research article
- Published by AIP Publishing in Physics of Plasmas
- Vol. 17 (12), 123108
- https://doi.org/10.1063/1.3507292
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 . 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.
Keywords
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