{"title":"钨等离子体流量开关实验的高能光子光谱","authors":"J. Davis, S. Coffey, J. Degnan, D. Price","doi":"10.1109/PLASMA.1989.166153","DOIUrl":null,"url":null,"abstract":"An array of silicon diodes with appropriate K-edge filters was used to determine the high-energy (6-500 keV) photon spectra of a high-temperature tungsten plasma using a 4.6-MJ, 83-kV plasma flow switch. The detector array used ten different filter material/thickness combinations. The observed X-ray emission had a duration of >600 ns (FWHM at 350 ns), with the peak X-ray power occurring approximately 250 ns after the peak of the voltage spike. The X-ray spectra deconvolved from observed detector signals indicated a peak power of approximately 325 MW above 8 keV with a peak plasma temperature of 46 keV from an exponential fit to the spectra above 20 keV.<<ETX>>","PeriodicalId":165717,"journal":{"name":"IEEE 1989 International Conference on Plasma Science","volume":"40 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1989-05-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"High-energy photon spectra from a tungsten plasma flow switch experiment\",\"authors\":\"J. Davis, S. Coffey, J. Degnan, D. Price\",\"doi\":\"10.1109/PLASMA.1989.166153\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"An array of silicon diodes with appropriate K-edge filters was used to determine the high-energy (6-500 keV) photon spectra of a high-temperature tungsten plasma using a 4.6-MJ, 83-kV plasma flow switch. The detector array used ten different filter material/thickness combinations. The observed X-ray emission had a duration of >600 ns (FWHM at 350 ns), with the peak X-ray power occurring approximately 250 ns after the peak of the voltage spike. The X-ray spectra deconvolved from observed detector signals indicated a peak power of approximately 325 MW above 8 keV with a peak plasma temperature of 46 keV from an exponential fit to the spectra above 20 keV.<<ETX>>\",\"PeriodicalId\":165717,\"journal\":{\"name\":\"IEEE 1989 International Conference on Plasma Science\",\"volume\":\"40 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1989-05-22\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"IEEE 1989 International Conference on Plasma Science\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/PLASMA.1989.166153\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"IEEE 1989 International Conference on Plasma Science","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/PLASMA.1989.166153","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
High-energy photon spectra from a tungsten plasma flow switch experiment
An array of silicon diodes with appropriate K-edge filters was used to determine the high-energy (6-500 keV) photon spectra of a high-temperature tungsten plasma using a 4.6-MJ, 83-kV plasma flow switch. The detector array used ten different filter material/thickness combinations. The observed X-ray emission had a duration of >600 ns (FWHM at 350 ns), with the peak X-ray power occurring approximately 250 ns after the peak of the voltage spike. The X-ray spectra deconvolved from observed detector signals indicated a peak power of approximately 325 MW above 8 keV with a peak plasma temperature of 46 keV from an exponential fit to the spectra above 20 keV.<>
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