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dc.contributor.authorAzarm, A.en_US
dc.contributor.authorRamakrishna, S.en_US
dc.contributor.authorTalebpour, A.en_US
dc.contributor.authorHosseini, S.en_US
dc.contributor.authorTeranishi, Y.en_US
dc.contributor.authorXu, H. L.en_US
dc.contributor.authorKamali, Y.en_US
dc.contributor.authorBernhardt, J.en_US
dc.contributor.authorLin, S. H.en_US
dc.contributor.authorSeideman, T.en_US
dc.contributor.authorChin, S. L.en_US
dc.date.accessioned2014-12-08T15:38:17Z-
dc.date.available2014-12-08T15:38:17Z-
dc.date.issued2010-12-14en_US
dc.identifier.issn0953-4075en_US
dc.identifier.urihttp://dx.doi.org/10.1088/0953-4075/43/23/235602en_US
dc.identifier.urihttp://hdl.handle.net/11536/26231-
dc.description.abstractWe study the fluorescence emitted from filaments in air using a pump-probe scheme with a femtosecond Ti-sapphire laser. The fluorescence intensities from the first negative band (B(2)Sigma(+)(u) -> X(2)Sigma(+)(g)) and the second positive band (C(3)Pi(u) -> B(3)Pi(g)) show enhancement and change periodically as a function of the pump-probe time delay. We attribute this phenomenon to the universal yet probably forgotten phenomenon of population trapping of nitrogen molecules in highly excited states together with field-induced alignment of nitrogen molecules followed by revivals of the rotational wavepackets. Theoretical calculation of the alignment dynamics of nitrogen molecules is consistent with the experimental data.en_US
dc.language.isoen_USen_US
dc.titlePopulation trapping and rotational revival of N(2) molecules during filamentation of a femtosecond laser pulse in airen_US
dc.typeArticleen_US
dc.identifier.doi10.1088/0953-4075/43/23/235602en_US
dc.identifier.journalJOURNAL OF PHYSICS B-ATOMIC MOLECULAR AND OPTICAL PHYSICSen_US
dc.citation.volume43en_US
dc.citation.issue23en_US
dc.citation.spageen_US
dc.citation.epageen_US
dc.contributor.department應用化學系分子科學碩博班zh_TW
dc.contributor.departmentInstitute of Molecular scienceen_US
Appears in Collections:Articles