Focusing of Intense Laser via Parabolic Plasma Concave Surface

ZHOU Weimin (周维民); GU Yuqiu (谷渝秋); WU Fengjuan (吴凤娟); ZHANG Zhimeng (张智猛); SHAN Lianqiang (单连强); CAO Leifeng (曹磊峰); ZHANG Baohan (张保汉)

doi:10.1088/1009-0630/17/12/03

Plasma Science and Technology > 2015 > 17(12): 996-999. > DOI: 10.1088/1009-0630/17/12/03

ZHOU Weimin (周维民), GU Yuqiu (谷渝秋), WU Fengjuan (吴凤娟), ZHANG Zhimeng (张智猛), SHAN Lianqiang (单连强), CAO Leifeng (曹磊峰), ZHANG Baohan (张保汉). Focusing of Intense Laser via Parabolic Plasma Concave Surface[J]. Plasma Science and Technology, 2015, 17(12): 996-999. DOI: 10.1088/1009-0630/17/12/03

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Focusing of Intense Laser via Parabolic Plasma Concave Surface

1Science and Technology on Plasma Physics Laboratory, Research Center of Laser Fusion, China Academy of Engineering Physics, Mianyang 621900, China 2IFSA Collaborative Innovation Center, Shanghai Jiao Tong University, Shanghai 200240, China 3Research Center of Laser Fusion, China Academy of Engineering Physics, Mianyang 621900, China

Funds: supported by National Natural Science Foundation of China (Nos. 11174259, 11175165), and the Dual Hundred Foundation of China Academy of Engineering Physics

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Received Date: October 15, 2014

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Abstract

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.
- laser focusing,
- plasma concave surface,
- particle-in-cell simulation

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References

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