外文题目: Emission properties of suprathermal electrons produced by laser-plasma interactions
作者: Liu, Huiya; Kang, Ning; Zhou, Shenlei; An, Honghai; Fang, Zhiheng; Xiong, Jun; Li, Kun; Lei, Anle; Lin, Zunqi
刊名: Laser Part. Beams
年: 2017 卷: 35 期: 4 页： 663--669
英文关键词:
inertial confinement fusion; laser-plasma interactions; laser-produced plasma; suprathermal electron
2-PLASMON DECAY INSTABILITY; FUSION; PREHEAT
英文摘要:
Suprathermal electrons produced by laser-plasma interactions at 0.53-m laser wavelength have been investigated using 19 electron spectrometers. The targets were 2- and 10-m-thick Al foils, while the laser average intensities were 2 x 10(13) and 7 x 10(14) W/cm(2). A double temperature distribution was observed in the electron energy spectrum: the lower electron temperature was below 25 keV, whereas the higher was 50 keV. The angular distribution of the total suprathermal electron energy approximately obeyed the Gaussian distribution, peaking along the k vector of the incident laser beam for perpendicular incidence. Furthermore, the conversion rate of laser energy into escaped suprathermal electron energy over the sr solid angle was 10(-4) at , increasing almost linearly with the laser intensity.


文献类型: 期刊论文
正文语种: English
收录类别: SCI
DOI: 10.1017/S0263034617000702


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