{"title":"Nonlinear susceptibility in crystals induced by femtosecond laser radiation","authors":"V. Baryshnikov, O. Goreva","doi":"10.1063/5.0062977","DOIUrl":null,"url":null,"abstract":"Concentration of band electrons and holes induced by multiphoton ionization in the filament of a femtosecond laser pulse with a diameter of 10 µm before and near the Gaussian waist in nonlinear crystals corresponds to 1018 − 1021 cm−3. Such level of the induced electron-hole polarization component makes an additional contribution to increasing the harmonic generation efficiency in the interaction of femtosecond radiation with nonlinear crystals.","PeriodicalId":296561,"journal":{"name":"Luminescence and Laser Physics: XVII International Conference on Luminescence and Laser Physics – LLPh 2019","volume":"33 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2021-07-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Luminescence and Laser Physics: XVII International Conference on Luminescence and Laser Physics – LLPh 2019","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1063/5.0062977","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 0
Abstract
Concentration of band electrons and holes induced by multiphoton ionization in the filament of a femtosecond laser pulse with a diameter of 10 µm before and near the Gaussian waist in nonlinear crystals corresponds to 1018 − 1021 cm−3. Such level of the induced electron-hole polarization component makes an additional contribution to increasing the harmonic generation efficiency in the interaction of femtosecond radiation with nonlinear crystals.
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