Paper

Focusing of Intense Laser via Parabolic Plasma Concave Surface*

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© 2015 Hefei Institutes of Physical Science, Chinese Academy of Sciences and IOP Publishing
, , Citation Weimin Zhou et al 2015 Plasma Sci. Technol. 17 996 DOI 10.1088/1009-0630/17/12/03

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Author e-mails

zhouwm@caep.cn

Author affiliations

1 Science and Technology on Plasma Physics Laboratory, Research Center of Laser Fusion, China Academy of Engineering Physics, Mianyang 621900, China

2 IFSA Collaborative Innovation Center, Shanghai Jiao Tong University, Shanghai 200240, China

3 Research Center of Laser Fusion, China Academy of Engineering Physics, Mianyang 621900, China

Dates

  1. Received 16 October 2014
  2. Accepted 4 May 2015

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Abstract

Since laser intensity plays an important role in laser plasma interactions, a method of increasing laser intensity – focusing of an intense laser via a parabolic plasma concave surface – is proposed and investigated by three-dimensional particle-in-cell simulations. The geometric focusing via a parabolic concave surface and the temporal compression of high harmonics increased the peak intensity of the laser pulse by about two orders of magnitude. Compared with the improvement via laser optics approaches, this scheme is much more economic and appropriate for most femtosecond laser facilities.

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Footnotes

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10.1088/1009-0630/17/12/03