{"title":"Multiple re-focusing of ultrashort laser pulse propagating in condensed matter","authors":"W. Liu, S. Chin","doi":"10.1109/QELS.2003.238110","DOIUrl":null,"url":null,"abstract":"We focused a 38 fs laser pulse, which is spatially filtered, into a glass cell containing a very dilute solution of coumarin 440 in methanol. Via three photons fluorescence of coumarin, up to 6 re-focusing filaments were observed along one straight line. This is the first evidence showing a way to control multiple filamentation.","PeriodicalId":20418,"journal":{"name":"Postconference Digest Quantum Electronics and Laser Science, 2003. QELS.","volume":"18 1","pages":"2 pp.-"},"PeriodicalIF":0.0000,"publicationDate":"2003-06-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Postconference Digest Quantum Electronics and Laser Science, 2003. QELS.","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/QELS.2003.238110","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
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Abstract
We focused a 38 fs laser pulse, which is spatially filtered, into a glass cell containing a very dilute solution of coumarin 440 in methanol. Via three photons fluorescence of coumarin, up to 6 re-focusing filaments were observed along one straight line. This is the first evidence showing a way to control multiple filamentation.
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