{"title":"Ti:蓝宝石激光13次谐波对He/sup +/的三光子电离","authors":"K. Ishikawa","doi":"10.1109/EQEC.2003.1313920","DOIUrl":null,"url":null,"abstract":"In this study, numerical experiments of three-photon ionization of He/sup +/ are performed. He/sup +/ is chosen over He because it is easy to prepare (by optical field ionization) and its 1s - 2s transition (40.8 eV) is close to the two-photon resonance of the 13th harmonics of a Ti:sapphire laser. Moreover, the exact solution can be delivered for this hydrogenlike system. We solve the time-dependent Schrodinger equation numerically using the Peaceman-Rachford method. Results show that this process is an attractive candidate for the observation of a third-order nonlinear optical effect and even above-threshold ionization in the XUV range.","PeriodicalId":432096,"journal":{"name":"Conference on Lasers and Electro-Optics, 2003. CLEO '03.","volume":"8 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Three-photon ionization of He/sup +/ by the 13th harmonic of a Ti:sapphire laser\",\"authors\":\"K. Ishikawa\",\"doi\":\"10.1109/EQEC.2003.1313920\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"In this study, numerical experiments of three-photon ionization of He/sup +/ are performed. He/sup +/ is chosen over He because it is easy to prepare (by optical field ionization) and its 1s - 2s transition (40.8 eV) is close to the two-photon resonance of the 13th harmonics of a Ti:sapphire laser. Moreover, the exact solution can be delivered for this hydrogenlike system. We solve the time-dependent Schrodinger equation numerically using the Peaceman-Rachford method. Results show that this process is an attractive candidate for the observation of a third-order nonlinear optical effect and even above-threshold ionization in the XUV range.\",\"PeriodicalId\":432096,\"journal\":{\"name\":\"Conference on Lasers and Electro-Optics, 2003. CLEO '03.\",\"volume\":\"8 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\":\"Conference on Lasers and Electro-Optics, 2003. CLEO '03.\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/EQEC.2003.1313920\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Conference on Lasers and Electro-Optics, 2003. CLEO '03.","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/EQEC.2003.1313920","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Three-photon ionization of He/sup +/ by the 13th harmonic of a Ti:sapphire laser
In this study, numerical experiments of three-photon ionization of He/sup +/ are performed. He/sup +/ is chosen over He because it is easy to prepare (by optical field ionization) and its 1s - 2s transition (40.8 eV) is close to the two-photon resonance of the 13th harmonics of a Ti:sapphire laser. Moreover, the exact solution can be delivered for this hydrogenlike system. We solve the time-dependent Schrodinger equation numerically using the Peaceman-Rachford method. Results show that this process is an attractive candidate for the observation of a third-order nonlinear optical effect and even above-threshold ionization in the XUV range.
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