{"title":"Xe自电离里德伯态的XUV激光斯塔克光谱","authors":"W. Ernst, T. Softley, L. Tashiro, R. Zare","doi":"10.1063/1.36722","DOIUrl":null,"url":null,"abstract":"Tunable coherent radiation between 90 and 110 nm is generated by frequency tripling the output of a pulsed frequency-doubled dye laser in a free jet of rare gas atoms.1 The XUV beam is crossed by an atomic Xe beam to observe single-photon transitions from the ground state of Xe to the autoionizing Rydberg series in the vicinity of the second ionization limit. A Stark field is applied in the interaction region. At moderate field strengths (>100 V/cm) wave functions with different / mix and transitions to the 5p5(2P1/2) np series are observed in addition to the ns and nd series. The line intensities and shifts have been investigated for 0 < E < 2 kV/cm. As the third harmonic XUV beam is collinear with the high power fundamental UV laser radiation, the spectroscopy of many other species is obscured by UV multiphoton absorption processes. We have studied schemes for separating XUV and UV and will discuss the application of a dichroic beam splitter.2","PeriodicalId":422579,"journal":{"name":"International Laser Science Conference","volume":"134 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1986-10-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"XUV laser Stark spectroscopy of Xe autoionizing Rydberg states\",\"authors\":\"W. Ernst, T. Softley, L. Tashiro, R. Zare\",\"doi\":\"10.1063/1.36722\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"Tunable coherent radiation between 90 and 110 nm is generated by frequency tripling the output of a pulsed frequency-doubled dye laser in a free jet of rare gas atoms.1 The XUV beam is crossed by an atomic Xe beam to observe single-photon transitions from the ground state of Xe to the autoionizing Rydberg series in the vicinity of the second ionization limit. A Stark field is applied in the interaction region. At moderate field strengths (>100 V/cm) wave functions with different / mix and transitions to the 5p5(2P1/2) np series are observed in addition to the ns and nd series. The line intensities and shifts have been investigated for 0 < E < 2 kV/cm. As the third harmonic XUV beam is collinear with the high power fundamental UV laser radiation, the spectroscopy of many other species is obscured by UV multiphoton absorption processes. We have studied schemes for separating XUV and UV and will discuss the application of a dichroic beam splitter.2\",\"PeriodicalId\":422579,\"journal\":{\"name\":\"International Laser Science Conference\",\"volume\":\"134 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1986-10-20\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"International Laser Science Conference\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1063/1.36722\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"International Laser Science Conference","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1063/1.36722","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 0
摘要
在稀有气体原子的自由射流中，将脉冲倍频染料激光器的输出频率增加三倍，可产生90至110纳米之间的可调谐相干辐射用原子Xe束穿过XUV束，观察在第二电离极限附近从Xe基态到自电离里德伯级数的单光子跃迁。Stark字段应用于交互区域。在中等场强(>100 V/cm)下，除了ns和nd序列外，还观察到不同/混合和向5p5(2P1/2) np序列过渡的波函数。研究了0 < E < 2 kV/cm时的线强度和位移。由于三次谐波XUV光束与高功率基紫外激光辐射共线，许多其他物种的光谱被紫外多光子吸收过程所掩盖。我们研究了XUV和UV的分离方案，并将讨论二向色分光器的应用
XUV laser Stark spectroscopy of Xe autoionizing Rydberg states
Tunable coherent radiation between 90 and 110 nm is generated by frequency tripling the output of a pulsed frequency-doubled dye laser in a free jet of rare gas atoms.1 The XUV beam is crossed by an atomic Xe beam to observe single-photon transitions from the ground state of Xe to the autoionizing Rydberg series in the vicinity of the second ionization limit. A Stark field is applied in the interaction region. At moderate field strengths (>100 V/cm) wave functions with different / mix and transitions to the 5p5(2P1/2) np series are observed in addition to the ns and nd series. The line intensities and shifts have been investigated for 0 < E < 2 kV/cm. As the third harmonic XUV beam is collinear with the high power fundamental UV laser radiation, the spectroscopy of many other species is obscured by UV multiphoton absorption processes. We have studied schemes for separating XUV and UV and will discuss the application of a dichroic beam splitter.2
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