Qi Luo, Abbas Hosseini, Weiwei Liu, See Leang Chin
{"title":"Lasing action in air induced by ultrafast laser filamentation","authors":"Qi Luo, Abbas Hosseini, Weiwei Liu, See Leang Chin","doi":"10.1364/OPN.15.9.000044","DOIUrl":null,"url":null,"abstract":"The backscattered fluorescence of nitrogen from long filaments generated by intense ultrafast Ti-sapphire laser pulses propagating in air is studied. It shows an exponential increase with increasing filament length, indicating amplified spontaneous emission (ASE).","PeriodicalId":432096,"journal":{"name":"Conference on Lasers and Electro-Optics, 2003. CLEO '03.","volume":"61 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2004-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"26","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Conference on Lasers and Electro-Optics, 2003. CLEO '03.","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1364/OPN.15.9.000044","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 26
Abstract
The backscattered fluorescence of nitrogen from long filaments generated by intense ultrafast Ti-sapphire laser pulses propagating in air is studied. It shows an exponential increase with increasing filament length, indicating amplified spontaneous emission (ASE).