dc.contributor.author | Sorokin, E | |
dc.contributor.author | Sorokina, Irina T | |
dc.contributor.author | Mandon, J | |
dc.contributor.author | Guelachvili, G | |
dc.contributor.author | Picque, N. | |
dc.date.accessioned | 2015-09-21T12:37:32Z | |
dc.date.accessioned | 2016-06-16T09:24:20Z | |
dc.date.available | 2015-09-21T12:37:32Z | |
dc.date.available | 2016-06-16T09:24:20Z | |
dc.date.issued | 2007 | |
dc.identifier.citation | Optics Express 2007:1-6 | nb_NO |
dc.identifier.issn | 1094-4087 | |
dc.identifier.uri | http://hdl.handle.net/11250/2392826 | |
dc.description.abstract | An ultrashort-pulse Cr2+:ZnSe laser is a novel broadband source for sensitive high resolution molecular spectroscopy. A 130-fs pulse allows covering of up to 380 cm-1 spectral domain around 2.4 µm which is analyzed simultaneously with a 0.12 cm-1 (3.6 GHz) resolution by a Fourier-transform spectrometer. Recorded in 13 s, from 70-cm length absorption around 4150 cm-1, acetylene and ammonia spectra exhibit a 3800 signal-to-noise ratio and a 2.4·10-7 cm-1·Hz-1/2 noise equivalent absorption coefficient at one second averaging per spectral element, suggesting a 0.2 ppbv detection level for HF molecule. With the widely practiced classical tungsten lamp source instead of the laser, identical spectra would have taken more than one hour. | nb_NO |
dc.language.iso | eng | nb_NO |
dc.publisher | Optical Society of America | nb_NO |
dc.title | Sensitive multiplex spectroscopy in molecular fingerprint 2.4 um region with a Cr2+:ZnSe femtosecond laser | nb_NO |
dc.type | Journal article | nb_NO |
dc.type | Peer reviewed | nb_NO |
dc.date.updated | 2015-09-21T12:37:32Z | |
dc.source.journal | Optics Express | nb_NO |
dc.identifier.doi | 10.1364/OE.15.016540 | |
dc.identifier.cristin | 366519 | |
dc.description.localcode | © 2007 Optical Society of America. Open Access article. | nb_NO |