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Effects of Laser Intensities and Target Shapes on Attosecond Pulse Generation from Irradiated Solid Surfaces
作者姓名:郑君  盛政明  张杰  陈民  马燕云
作者单位:Laboratory of Optical Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100080
基金项目:Supported by the National Natural Science Foundation of China under Grant Nos 10335020 and 10425416, the National High-Tech ICF Committee in China, and the Knowledge Innovation Project of Chinese Academy of Sciences.
摘    要:Single attosecond pulses can be generated when an intense laser pulse focused in a volume of a few cubic wave- lengths (λ^3) is reflected from a solid plasma surface. With relativistic two-dimensional particle-in-cell simulations, we investigate the effects of the incident laser intensity and the target surface profiles on attosecond pulse generation. Usually the width of the reflected attosecond pulse decreases and its electromagnetic energy density increases with increasing laser intensity, while the energy conversion efficiency to the attoseond pulse decreases, By changing the target surface profile, such as using a convex surface or adding proper preplasma, one can further shorten the attosecond pulse duration and meanwhile increase its energy density.

关 键 词:激光亮度  靶形  脉冲  固体表面照射  激光技术
收稿时间:2005-12-09
修稿时间:2005-12-09

Effects of Laser Intensities and Target Shapes on Attosecond Pulse Generation from Irradiated Solid Surfaces
ZHENG Jun, SHENG Zheng-Ming, ZHANG Jie, CHEN Min, MA Yan-Yun.Effects of Laser Intensities and Target Shapes on Attosecond Pulse Generation from Irradiated Solid Surfaces[J].Chinese Physics Letters,2006,23(2):377-380.
Authors:ZHENG Jun  SHENG Zheng-Ming  ZHANG Jie  CHEN Min  MA Yan-Yun
Abstract:
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