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研究了激光平面靶耦合时受激Raman散射(SRS)的时间分辨光谱-在小能量激光入射平面靶时,SRS主要受激光等离子体电子密度分布的影响-在激光靶耦合初期,等离子体电子密度呈指数分布,SRS因对流阈值较高而被抑制,耦合后期平面靶被烧穿后,等离子体电子密度呈高斯分布,SRS就在均匀密度处绝对增长起来-多种材料构成的靶以及成丝存在,加剧了等离子体电子密度平台的出现,也增加了SRS光的发射-The result of experimental studies of stimulated Raman scattering (SRS) was report in this paper- When the disk target was irradiated by low-energy laser, the plasma density scale length was short, and the SRS threshold intensity was very high, SRS only occurred in those local ranges where electron density was homogeneous- Multi-material targets and filamentation will produce more those local range, these will increase SRS light-
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