The Plasma Channel Evolution Characteristics of Pulsed Flashlamps Working in an Array

JIA Shenli (贾申利); LI Rui (李瑞); LIU Jianjun (刘建军); LI Xingwen (李兴文); et al.

doi:10.1088/1009-0630/15/7/07

Plasma Science and Technology > 2013 > 15(7): 640-643. > DOI: 10.1088/1009-0630/15/7/07

JIA Shenli (贾申利), LI Rui (李瑞), LIU Jianjun (刘建军), LI Xingwen (李兴文), et al.. The Plasma Channel Evolution Characteristics of Pulsed Flashlamps Working in an Array[J]. Plasma Science and Technology, 2013, 15(7): 640-643. DOI: 10.1088/1009-0630/15/7/07

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The Plasma Channel Evolution Characteristics of Pulsed Flashlamps Working in an Array

1 State Key Laboratory of Electrical Insulation and Power Equipment, Xi’an Jiaotong University, Xi’an 710049, China 2 Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China

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Received Date: November 06, 2011

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Abstract

Abstract

This work is devoted to the study of plasma channel evolution characteristics in pulsed xenon flashlamps working in an array. Influencing factors on the plasma channel evolution process are studied, including pre-ionization pulse and neighbor flashlamps. It has been found that neighbor flashlamps affect the plasma channel by shaping the electric potential distribution, rather than by Lorentz force. Branching is observed in the plasma channels of the flashlamps in the middle of the array. Inconsistency also exists in the plasma channels of these flashlamps in different tests. The branching and inconsistency are both caused by the unique electric field distribution in these flashlamps. Besides, the pre-ionization pulse can help the main pulse plasma channel to develop more smoothly and faster, which will weaken the shock wave and benefit the mechanical strength of the flashlamp.
- xenon flashlamps plasma channel,
- inertial confined fusion

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