{"title":"Monitoring of molecular species using near-infrared extended cavity diode lasers","authors":"H. Simonsen, J. Henningsen, T. Møgelberg","doi":"10.1109/LEOSST.1997.619214","DOIUrl":null,"url":null,"abstract":"Near infrared diode lasers are attractive for spectroscopic applications due to their good spectral purity and low amplitude noise. They operate at room temperature with single-mode output power of milliwatts, and are adapted to fibre optic technology. Wavelength tunability is achieved using an extended cavity configuration. We report on a system based on high resolution infrared spectrometry in the 1.5-1.6 /spl mu/m region where several gases have overtone or combination absorption bands. In monitoring applications toxic and flammable gases like CO and H/sub 2/S are of particular interest. CO detection is aimed at detecting fires with special reference to smouldering combustion within the insulating layers of equipment, whereas H/sub 2/S is a major health hazard on oil rigs producing sour oil.","PeriodicalId":344325,"journal":{"name":"1997 Digest of the IEEE/LEOS Summer Topical Meeting: Vertical-Cavity Lasers/Technologies for a Global Information Infrastructure/WDM Components Technology/Advanced Semiconductor Lasers and Application","volume":"32 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1997-08-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"1","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"1997 Digest of the IEEE/LEOS Summer Topical Meeting: Vertical-Cavity Lasers/Technologies for a Global Information Infrastructure/WDM Components Technology/Advanced Semiconductor Lasers and Application","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/LEOSST.1997.619214","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 1
Abstract
Near infrared diode lasers are attractive for spectroscopic applications due to their good spectral purity and low amplitude noise. They operate at room temperature with single-mode output power of milliwatts, and are adapted to fibre optic technology. Wavelength tunability is achieved using an extended cavity configuration. We report on a system based on high resolution infrared spectrometry in the 1.5-1.6 /spl mu/m region where several gases have overtone or combination absorption bands. In monitoring applications toxic and flammable gases like CO and H/sub 2/S are of particular interest. CO detection is aimed at detecting fires with special reference to smouldering combustion within the insulating layers of equipment, whereas H/sub 2/S is a major health hazard on oil rigs producing sour oil.