| 利用多分幅光学探针诊断系统研究激光等离子体 |
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| 引用本文： | 江志明,徐至展,陈时胜,林礼煌,张伟清,钱爱娣.利用多分幅光学探针诊断系统研究激光等离子体[J].物理学报,1988,37(10):1658-1663. |
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| 作者姓名： | 江志明 徐至展 陈时胜 林礼煌 张伟清 钱爱娣 |
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| 作者单位： | (1)中国高等科学技术中心(世界实验室)凝聚态与辐射物理分中心; (2)中国科学院上海光学精密机械研究所 |
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| 摘 要： | 在六路钕玻璃激光等离子体实验装置上,建立了波长0.63μm,脉宽50ps的多幅可见光探针诊断系统。利用该系统对激光产生的等离子体进行了干涉和阴影照相、干涉和法拉第旋转测量等分幅综合诊断研究,并且进行了五时间点分幅的干涉或阴影照相及条纹相机快速扫描诊断研究,得到了等离子体中电子密度轮廓的变化、不均匀性喷流结构、自生磁场等重要物理信息。
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| 收稿时间： | 1/4/1988 12:00:00 AM |
INVESTIGATION OF LASER-PRODUCED PLASMA USING MULTI-FRAME OPTICAL PROBING DIAGNOSTICS |
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| JIANG ZHI-MING,XU ZHI-ZHAN,CHEN SHI-SHENG,LIN LI-HUANG,ZHANG WEI-QING and QIAN AI-DI.INVESTIGATION OF LASER-PRODUCED PLASMA USING MULTI-FRAME OPTICAL PROBING DIAGNOSTICS[J].Acta Physica Sinica,1988,37(10):1658-1663. |
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| Authors: | JIANG ZHI-MING XU ZHI-ZHAN CHEN SHI-SHENG LIN LI-HUANG ZHANG WEI-QING and QIAN AI-DI |
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| Abstract: | In the six Nd:glass laser facility, a multi-frame optical diagnostic system with a 0.63 μm, 50 ps (FWHM) probing beam is set up. We use this system to investigate the states of la-ser-produced plasmas by means of simultaneous measurements of interferometry and shadow-graphy or Faraday rotation. Moreover, we have used five-time-frame interferometry or sha-dowgraphy and streaked shadowgraphy in our experiments. The results such as electron density profiles and their evolution, inhomogeneous plasma jet structure and self-generated magnetic field are obtained. |
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