{"title":"重复真空弧软x射线源中微等离子体的时间演化","authors":"T. Yanagidaira, W. Kotake, H. Miura, K. Tsuruta","doi":"10.1109/DEIV.2004.1422675","DOIUrl":null,"url":null,"abstract":"Soft x-ray emission from a short vacuum gap, operated with a repetitive low-current discharge was investigated. Electrons are accelerated by an electric field in a cathode sheath that is formed after arc extinction, and soft x-rays were emitted in the period between arc extinction and subsequent breakdown. The schlieren photographs and Langmuir probe diagnostics showed that the micro plasma of diameter less than 1 mm is formed during arc phase, and the ion sheath extended with velocity of 104/m/s , which agreed with calculation. The existence time of the dense plasma was 10 - 20 ns.","PeriodicalId":137370,"journal":{"name":"XXIst International Symposium on Discharges and Electrical Insulation in Vacuum, 2004. Proceedings. ISDEIV.","volume":"78 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Temporal evolution of micro-plasma in a repetitive vacuum arc soft x-ray source\",\"authors\":\"T. Yanagidaira, W. Kotake, H. Miura, K. Tsuruta\",\"doi\":\"10.1109/DEIV.2004.1422675\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"Soft x-ray emission from a short vacuum gap, operated with a repetitive low-current discharge was investigated. Electrons are accelerated by an electric field in a cathode sheath that is formed after arc extinction, and soft x-rays were emitted in the period between arc extinction and subsequent breakdown. The schlieren photographs and Langmuir probe diagnostics showed that the micro plasma of diameter less than 1 mm is formed during arc phase, and the ion sheath extended with velocity of 104/m/s , which agreed with calculation. The existence time of the dense plasma was 10 - 20 ns.\",\"PeriodicalId\":137370,\"journal\":{\"name\":\"XXIst International Symposium on Discharges and Electrical Insulation in Vacuum, 2004. Proceedings. ISDEIV.\",\"volume\":\"78 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1900-01-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"XXIst International Symposium on Discharges and Electrical Insulation in Vacuum, 2004. Proceedings. ISDEIV.\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/DEIV.2004.1422675\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"XXIst International Symposium on Discharges and Electrical Insulation in Vacuum, 2004. Proceedings. ISDEIV.","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/DEIV.2004.1422675","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Temporal evolution of micro-plasma in a repetitive vacuum arc soft x-ray source
Soft x-ray emission from a short vacuum gap, operated with a repetitive low-current discharge was investigated. Electrons are accelerated by an electric field in a cathode sheath that is formed after arc extinction, and soft x-rays were emitted in the period between arc extinction and subsequent breakdown. The schlieren photographs and Langmuir probe diagnostics showed that the micro plasma of diameter less than 1 mm is formed during arc phase, and the ion sheath extended with velocity of 104/m/s , which agreed with calculation. The existence time of the dense plasma was 10 - 20 ns.
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