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激光触发真空开关极性配置特性的研究

, PP. 215-219

Keywords: 激光触发真空开关,极性配置模式,导通时延,抖动时延,初始等离子体

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Abstract:

简单介绍了激光触发真空开关(LaserTriggeredVacuumSwitch——LTVS)的基本结构和工作原理,对初始等离子体的产生和扩展所涉及的物理过程进行详细地分析,并对其工作在不同的极性配置方式下开展了一系列实验。主要研究LTVS在不同极性配置方式下的导通时延大小及其分散性的关系,从而为LTVS的结构优化设计提供理论依据。实验验证了LTVS在正极性配置下的工作可靠性高、时延小,当工作在正极性配置下,有利于阴极斑点的形成,减小导通时延及其分散性,提高其可靠性,说明了等离子体的扩展过程实际上是近阴极区等离子体鞘层的增长过程。

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