Research on the triggering process of a laser-triggered vacuum switch

The laser-triggered vacuum switch (LTVS) is a type of high-voltage closing switch with broad application prospects in pulsed-power technology. Research into the triggering process of the LTVS is not only helpful to understand the triggering mechanism of the LTVS but also beneficial to the optimizati...

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Autores principales:	Zhenghao He, Yuchen Liu, Yinan Xin
Formato:	article
Lenguaje:	EN
Publicado:	AIP Publishing LLC 2021
Materias:	Physics QC1-999
Acceso en línea:	https://doaj.org/article/993be2d3fea3450b8ddf010806abb965
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spelling	oai:doaj.org-article:993be2d3fea3450b8ddf010806abb9652021-12-01T18:52:06ZResearch on the triggering process of a laser-triggered vacuum switch2158-322610.1063/5.0057541https://doaj.org/article/993be2d3fea3450b8ddf010806abb9652021-11-01T00:00:00Zhttp://dx.doi.org/10.1063/5.0057541https://doaj.org/toc/2158-3226The laser-triggered vacuum switch (LTVS) is a type of high-voltage closing switch with broad application prospects in pulsed-power technology. Research into the triggering process of the LTVS is not only helpful to understand the triggering mechanism of the LTVS but also beneficial to the optimization of the LTVS. In this paper, the triggering process and the delay time of a LTVS with a Ti–KCl mixture target was analyzed theoretically. A numerical simulation was performed to describe the laser-target ablation process and the expansion dynamics of the initial plasma. The simulation results were compared with the experimental results. It is clear that the triggering process and delay time strongly depend on the laser intensity. As the laser intensity rises, the velocity of initial plasma increases, resulting in a shorter delay time of the LTVS. Increasing the gap voltage can also shorten the delay time.Zhenghao HeYuchen LiuYinan XinAIP Publishing LLCarticlePhysicsQC1-999ENAIP Advances, Vol 11, Iss 11, Pp 115113-115113-7 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Physics QC1-999
spellingShingle	Physics QC1-999 Zhenghao He Yuchen Liu Yinan Xin Research on the triggering process of a laser-triggered vacuum switch
description	The laser-triggered vacuum switch (LTVS) is a type of high-voltage closing switch with broad application prospects in pulsed-power technology. Research into the triggering process of the LTVS is not only helpful to understand the triggering mechanism of the LTVS but also beneficial to the optimization of the LTVS. In this paper, the triggering process and the delay time of a LTVS with a Ti–KCl mixture target was analyzed theoretically. A numerical simulation was performed to describe the laser-target ablation process and the expansion dynamics of the initial plasma. The simulation results were compared with the experimental results. It is clear that the triggering process and delay time strongly depend on the laser intensity. As the laser intensity rises, the velocity of initial plasma increases, resulting in a shorter delay time of the LTVS. Increasing the gap voltage can also shorten the delay time.
format	article
author	Zhenghao He Yuchen Liu Yinan Xin
author_facet	Zhenghao He Yuchen Liu Yinan Xin
author_sort	Zhenghao He
title	Research on the triggering process of a laser-triggered vacuum switch
title_short	Research on the triggering process of a laser-triggered vacuum switch
title_full	Research on the triggering process of a laser-triggered vacuum switch
title_fullStr	Research on the triggering process of a laser-triggered vacuum switch
title_full_unstemmed	Research on the triggering process of a laser-triggered vacuum switch
title_sort	research on the triggering process of a laser-triggered vacuum switch
publisher	AIP Publishing LLC
publishDate	2021
url	https://doaj.org/article/993be2d3fea3450b8ddf010806abb965
work_keys_str_mv	AT zhenghaohe researchonthetriggeringprocessofalasertriggeredvacuumswitch AT yuchenliu researchonthetriggeringprocessofalasertriggeredvacuumswitch AT yinanxin researchonthetriggeringprocessofalasertriggeredvacuumswitch
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Research on the triggering process of a laser-triggered vacuum switch

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