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	Measuring the evolution of electron density profile in a small gas-puff Z-pinch
	Xiaobing Zou ; Xinxin Wang ; Chengmu Luo ; Zhen Liu ; Min Han
	2010-05-06 ; 2010-05-06
关键词	Experimental/ bubbles electron density Mach-Zehnder interferometers plasma density plasma diagnostics plasma instability Z pinch/ gas puff z-pinch electron density profile three frame Mach Zehnder interferometer plasma implosion plasma instability bubbles fringe shear X-ray emission X-ray radiation diagnostics implosion dynamics analysis plasma diagnostics thermopiles 5 ns 13 ns/ A5255E Pinch effect and pinch machines A5270L X-ray and gamma-ray plasma diagnostic techniques A5225L Plasma temperature and density A5235P Plasma instabilities A5280Q Explosions (electrical discharges) A5250L Plasma production and heating by shock waves and compression/ time 5.0E-09 s time 1.3E-08 s
中文摘要	A three-frame Mach-Zehnder interferometer (TFMZI) was used for taking 3 pictures (5 ns exposure and 13 ns interpicture delay) of the imploding plasma in one Z-pinch shot, which provides us a series of interferograms showing the evolution of electron density profile during Z-pinch implosion stage. From these interferograms, the electron density profile n/sub e/(r, z), the velocities of plasma implosion were derived, and the plasma instabilities appearing as bubbles or fringe shearing were observed clearly. In order to study the correlation between the total energy of X-ray emission and the plasma implosion, thermopiles were also used in the experiments with TFMZI. The results of X-ray radiation diagnostics show us that a near uniform and symmetric imploding plasma shell would emit more X-ray yield than an asymmetric one, which is in good agreement with the implosion dynamics analyses.
语种	Japanese
出版者	Inst. Electr. Eng. Japan ; Japan
内容类型	期刊论文
源URL	[http://hdl.handle.net/123456789/11461]
专题	清华大学
推荐引用方式 GB/T 7714	Xiaobing Zou,Xinxin Wang,Chengmu Luo,et al. Measuring the evolution of electron density profile in a small gas-puff Z-pinch[J],2010, 2010.
APA	Xiaobing Zou,Xinxin Wang,Chengmu Luo,Zhen Liu,&Min Han.(2010).Measuring the evolution of electron density profile in a small gas-puff Z-pinch..
MLA	Xiaobing Zou,et al."Measuring the evolution of electron density profile in a small gas-puff Z-pinch".(2010).

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