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Please use this identifier to cite or link to this item: http://hdl.handle.net/2289/3138
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dc.contributor.authorNarayanan, Andal-
dc.contributor.authorSrinivasan, R.-
dc.contributor.authorKhan, Uday Kumar-
dc.contributor.authorVudayagiri, A.-
dc.contributor.authorRamachandran, Hema-
dc.date.accessioned2007-06-26T09:40:04Z-
dc.date.available2007-06-26T09:40:04Z-
dc.date.issued2004-
dc.identifier.citationEuropean Physical Journal D, 2004, Vol.31, p107-112en
dc.identifier.issn1434-6060-
dc.identifier.issn1434-6079 (Online)-
dc.identifier.urihttp://hdl.handle.net/2289/3138-
dc.descriptionRestricted Access.en
dc.description.abstractThe unusually narrow features in the fluorescence from 85Rb driven by two laser fields L1 and L2, reported in [1], are explained on the basis of a four-level density matrix calculation. The L2 laser enables atom transfer to the fluorescing levels connected by the strong L1 laser. In turn the L1 laser causes the Autler-Townes splitting of the upper levels connected by L2 laser. These two effects are shown to maximise fluorescence within a narrow spectral range of the scanned L2 laser due to velocity selection of atoms from co-propagating and counter propagating L1 and L2 lasers. The analysis reveals the existence of narrow spectral features from a collection of atoms at room temperature even in the absence of induced coherences between the levels.en
dc.format.extent221634 bytes-
dc.format.mimetypeapplication/pdf-
dc.language.isoenen
dc.publisherEDP Sciencesen
dc.relation.urihttp://dx.doi.org/10.1140/epjd/e2004-00123-2en
dc.rights2004 EDP Sciencesen
dc.titleFluorescence from doubly driven four-level atomsen
dc.typeArticleen
Appears in Collections:Research Papers (LAMP)

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