{"title":"QCL-based Cavity-Enhanced Absorption Spectroscopy of N2O at 4.5 μm","authors":"Min Yang, Zhen Wang, Qinxue Nie, W. Ren","doi":"10.1364/es.2022.etu4h.6","DOIUrl":null,"url":null,"abstract":"We present a cavity-enhanced absorption sensor for ambient N2O detection. The Pound-Drever-Hall technique was implemented to lock a quantum cascade laser to a high-finesse cavity by directly modulating the laser injection current.","PeriodicalId":231405,"journal":{"name":"Optical Sensors and Sensing Congress 2022 (AIS, LACSEA, Sensors, ES)","volume":"321 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":"Optical Sensors and Sensing Congress 2022 (AIS, LACSEA, Sensors, ES)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1364/es.2022.etu4h.6","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
We present a cavity-enhanced absorption sensor for ambient N2O detection. The Pound-Drever-Hall technique was implemented to lock a quantum cascade laser to a high-finesse cavity by directly modulating the laser injection current.