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Generation of surface electrons in femtosecond laser-solid interactions |
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| Authors: | XU Miaohua LI Yutong YUAN Xiaohui ZHENG Zhiyuan LIANG Wenxi YU Quanzhi ZHANG Yi WANG Zhaohua WEI Zhiyi ZHANG Jie |
| Affiliation: | 1. Key Laboratory of Optical Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100080, China 2. Key Laboratory of Optical Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100080, China;State Key Laboratory of Transient Optics Technology, Chinese Academy of Sciences, Xi'an 710068, China |
| Abstract: | The characteristics of hot electrons produced by p-polarized femtosecond laser-solid interactions are studied. The experimental results show that the outgoing electrons are mainly emitted in three directions: along the target surface, the normal direction and the laser backward direction. The electrons flowing along the target surface are due to the confinement of the electrostatic field and the surface magnetic field, while the electrons in the normal direction due to the resonant absorption. |
| Keywords: | hot electrons surface magnetic field femtosecond laser pulses |
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