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0.351μm激光辐照靶角度和时间分辨的侧向散射研究

INVESTIGATION OF ANGULARLY AND TEMPORALLY RESOLVED SCATTERED LIGHTS FROM 0.351μm LASER-PRODUCED PLASMAS

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【作者】 刘慎业; 蒋小华; 膝浩; 成金秀; 张海鹰; 王以超; 温天舒; 于燕宁; 丁耀南; 丁永坤; 唐道源; 郑志坚;

【Author】 LIU Shen-ye; JIANG Xiao-hua; TEN Hao; CHENG Jin-xiu; ZHANG Hat-ying; WANG Yi-chao;WEN Tian-shu; YU Yan-ling; DING Yao-nan; DING Rong-kun; TANG Dao-yuan; ZHENG Zhi-jian(Institute of Nuclear and Chemistry, CAEP, P. O. Box 919-216, Mianyang Sichuan, 621900,

【机构】 中国工程物理研究院核物理与化学研究所!四川绵阳919-216信箱; 邮编621900; 中国工程?;

【摘要】 建立了一套角度和时间同时分辨的散射光诊断系统,利用星光正装置输出的0.351μm激光辐照平面靶,研究了激光与靶作用产生的侧向散射光的时间行为,实验对金盘靶、CH膜靶和泡沫CH靶与激光作用产生的散射激光进行了研究,在多个角度获得了时间分辨的散射光信息,由角分布的结构得到了等离子体密度分布的一些重要信息。

【Abstract】 Recently we have developed a multiple angle time-resolved system (MATRS) to detectscattering lights from laser-produced plasmas. In 1998, we have used the diagnostic systems mentioned aboveto investigate the scattering processes in plasma. These experiments were designed to enhance our understanding to scattering processes. 0. 351μm laser light with about 70J at average intensities of (1~2) × 1014W/cm2 were used to irradiate gold disks, CH disks and gold disks pasted CH foam. A lot of diagnostics wereused to diagnosis the scattering behavior. The important result of experiments is the temporal behavior of theside scattering. The experimental results give us some information about electron temperature and density inthe laser-produced plasmas.

【基金】 国家自然科学基金;国家863惯性约束聚变领域资助
  • 【文献出处】 强激光与粒子束 ,HIGH POWER LASER & PARTICLE BEAMS , 编辑部邮箱 ,1999年05期
  • 【分类号】O436.2;TL65 3
  • 【被引频次】11
  • 【下载频次】37
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