{"title":"Simulation study of short-pulse laser energy conversion to x-ray line emission","authors":"J. Limpouch, A. Iskakov, A. Andreev, H. Nakano","doi":"10.1117/12.425554","DOIUrl":null,"url":null,"abstract":"Line x-ray emission from short-pulse laser-produced plasmas is studied via 1D and 2D hydrodynamics models coupled with planar atomic physics post-processor. Laser energy conversion efficiency to He-(alpha) line emission is shown to be significantly enhanced when laser prepulse precedes the main pulse at an optimum pulse separation. The calculated optimum pulse separation of 1.5-2 ns as well as emitted energy and spectra compare well with the experiment.","PeriodicalId":340981,"journal":{"name":"European Conference on Laser Interaction with Matter","volume":"6 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2001-04-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"2","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"European Conference on Laser Interaction with Matter","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1117/12.425554","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 2
Abstract
Line x-ray emission from short-pulse laser-produced plasmas is studied via 1D and 2D hydrodynamics models coupled with planar atomic physics post-processor. Laser energy conversion efficiency to He-(alpha) line emission is shown to be significantly enhanced when laser prepulse precedes the main pulse at an optimum pulse separation. The calculated optimum pulse separation of 1.5-2 ns as well as emitted energy and spectra compare well with the experiment.
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