High-energy-density electron beam generation in ultra intense laser-plasma interaction

Jianxun LIU (刘建勋); Yanyun MA (马燕云); Xiaohu YANG (杨晓虎); Jun ZHAO (赵军); Tongpu YU (余同普); Fuqiu SHAO (邵福球); Hongbin ZHUO (卓红斌); Longfei GAN (甘龙飞); Guobo ZHANG (张国博); Yuan ZHAO (赵媛); Jingkang YANG (杨靖康)

doi:10.1088/1009-0630/19/1/015001

Plasma Science and Technology > 2017 > 19(1): 15001-015001. > DOI: 10.1088/1009-0630/19/1/015001

Jianxun LIU (刘建勋), Yanyun MA (马燕云), Xiaohu YANG (杨晓虎), Jun ZHAO (赵军), Tongpu YU (余同普), Fuqiu SHAO (邵福球), Hongbin ZHUO (卓红斌), Longfei GAN (甘龙飞), Guobo ZHANG (张国博), Yuan ZHAO (赵媛), Jingkang YANG (杨靖康). High-energy-density electron beam generation in ultra intense laser-plasma interaction[J]. Plasma Science and Technology, 2017, 19(1): 15001-015001. DOI: 10.1088/1009-0630/19/1/015001

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High-energy-density electron beam generation in ultra intense laser-plasma interaction

1 College of Science, National University of Defense Technology, Changsha 410073, People’s Republic of China 2 College of Electronic Engineering, Wuhan 430019, People’s Republic of China 3 IFSA Collaborative Innovation Center, Shanghai Jiao Tong University, Shanghai 200240, People’s Republic of China 4 Laser Fusion Research Center, China Academy of Engineering Physics, Mianyang 621000, People’s Republic of China

Funds: This work is financially supported by the National Natural Science Foundation of China (Nos. 11475260, 11305264, 11622547, 91230205,and 11474360), the National Basic Research Program of China (No.2013CBA01504), and the Research Project of NUDT (No. JC14-02-02).

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Received Date: April 11, 2016

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Abstract

Abstract

By using a two-dimensional particle-in-cell simulation, we demonstrate a scheme for high-energy-density electron beam generation by irradiating an ultra intense laser pulse onto an aluminum (Al) target. With the laser having a peak intensity of 4×10²³ Wcm⁻², a high quality electron beam with a maximum density of 117n_c and a kinetic energy density up to 8.79×10¹⁸ Jm⁻³ is generated. The temperature of the electron beam can be 416 MeV, and the beam divergence is only 7.25°. As the laser peak intensity increases (e.g., 10²⁴ Wcm⁻²), both the beam energy density (3.56×10¹⁹ Jm⁻³) and the temperature (545 MeV) are increased, and the beam collimation is well controlled. The maximum density of the electron beam can even reach 180n_c. Such beams should have potential applications in the areas of antiparticle generation, laboratory astrophysics, etc.
- ultra intense laser,
- plasma,
- high-energy-density,
- electron beam

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References (33)

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