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Please use this identifier to cite or link to this item: https://hdl.handle.net/2440/59851
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dc.contributor.authorLancaster, D.-
dc.contributor.authorDawes, J.-
dc.date.issued1995-
dc.identifier.citationOptics Communications, 1995; 120(5-6):307-310-
dc.identifier.issn0030-4018-
dc.identifier.urihttp://hdl.handle.net/2440/59851-
dc.description.abstractMid-infrared radiation at 3.43 μm is generated by difference frequency mixing a 1.064 μm Nd:YAG laser with a methane gas Raman shifted Nd:YAG (1.064 μm) laser at 1.54 μm in KTiOAsO₄(KTA). Using this pulsed (7 ns), moderate energy (1 mJ) source we demonstrate the optical detection of methane in air and measure an absorption coefficient of 1.2cm⁻¹ atm⁻¹. Additional source characteristics include an intrinsic wavelength stability defined by the methane Raman vibrational frequency and a moderate linewidth (1.5 cm⁻¹).-
dc.description.statementofresponsibilityD.G. Lancaster and J.M. Dawes-
dc.description.urihttp://www.elsevier.com/wps/find/journaldescription.cws_home/505711/description#description-
dc.language.isoen-
dc.publisherElsevier BV-
dc.relation.isbasedon0266-
dc.rightsCopyright 1995 Elsevier Science B.V. All rights reserved.-
dc.source.urihttp://dx.doi.org/10.1016/0030-4018(95)00429-c-
dc.titleA pulsed laser source using stimulated Raman scattering and difference frequency mixing: Remote sensing of methane in air-
dc.typeJournal article-
dc.identifier.doi10.1016/0030-4018(95)00429-C-
pubs.publication-statusPublished-
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IPAS publications

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