Time-dependent photoionization of azulene: Optically induced anisotropy on the femtosecond scale

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dc.creatorRaffael, Kevin
dc.creatorBlanchet, Valerie
dc.creatorChatel, Béatrice
dc.creatorTurri, Giorgio
dc.creatorGirard, Bertrand
dc.creatorGarcia, Ivan Anton
dc.creatorWilkinson, Iain
dc.creatorWhitaker, Benjamin J
dc.date2008-06-20
dc.date.accessioned2026-07-07T12:19:38Z
dc.date.available2026-07-07T12:19:38Z
dc.descriptionWe measure the photoionization cross-section of vibrationally excited levels in the S2 state of azulene by femtosecond pump-probe spectroscopy. At the wavelengths studied (349-265 nm in the pump) the transient signals exhibit two distinct and well-defined behaviours: (i) Short-term (on the order of a picosecond) polarization dependent transients and (ii) longer (10 ps - 1 ns) time-scale decays. This letter focuses on the short time transient. In contrast to an earlier study by Diau et al.22 [J. Chem. Phys. 110 (1999) 9785.] we unambiguously assign the fast initial decay signal to rotational dephasing of the initial alignment created by the pump transition.
dc.descriptionChemical Physics Letters (2008)
dc.identifierhttps://arxiv.org/abs/0806.3401
dc.identifierhttp://arxiv.org/abs/0806.3401
dc.identifierdoi:10.1016/j.cplett.2008.06.009
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/212825
dc.subjectChemical Physics
dc.titleTime-dependent photoionization of azulene: Optically induced anisotropy on the femtosecond scale
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