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Please use this identifier to cite or link to this item: http://hdl.handle.net/2289/4722
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dc.contributor.authorRao, S.V.-
dc.contributor.authorNaga Srinivas, N.K.M-
dc.contributor.authorRao, D.N.-
dc.contributor.authorGiribabu, L.-
dc.contributor.authorMaiya, B.G.-
dc.contributor.authorPhilip, Reji-
dc.contributor.authorKumar, G.R.-
dc.date.accessioned2012-06-19T03:43:28Z-
dc.date.available2012-06-19T03:43:28Z-
dc.date.issued2001-05-
dc.identifier.citationOptics Communications, 2001, Vol192, p123-133en
dc.identifier.issn0030-4018-
dc.identifier.urihttp://hdl.handle.net/2289/4722-
dc.descriptionRestricted Access. An open-access version is available at arXiv.org (one of the alternative locations)en
dc.description.abstractWe present our experimental results on the excited state dynamics in several tetra tolyl porphyrins (with different central metal-ions) studied using degenerate four wave mixing with nanosecond incoherent light (DFWM-IL) and picosecond time-resolved four wave mixing (DFWM-PS). Incoherent light studies indicate three lifetimes, which have been attributed to different excited states. The shortest component with a decay constant of /<170 fs is due to the vibrational relaxation in the higher excited singlet states Sn(T2), 3-6 ps component is due to the vibrational relaxation of the Franck-Condon states in S1(τvib), and the long component of 20-100 ps is due to the population relaxation (T1) from S1 to S0. The population relaxation times obtained from time-resolved DFWM studies using a picosecond laser substantiates these results.en
dc.language.isoenen
dc.publisherElsevieren
dc.relation.urihttp://dx.doi.org/10.1016/S0030-4018(01)01173-7en
dc.relation.urihttp://adsabs.harvard.edu/abs/2001OptCo.192..123Ren
dc.rights2001 Elsevieren
dc.titleExcited state dynamics in tetra tolyl porphyrins studied using degenerate four wave mixing with incoherent light and ps pulsesen
dc.typeArticleen
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