Excited state dynamics in tetra tolyl porphyrins studied using degenerate four wave mixing with incoherent light and ps pulses

We 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 studi...

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Veröffentlicht in:	Optics communications 2001-05, Vol.192 (1), p.123-133
Hauptverfasser:	Rao, S.Venugopal, Naga Srinivas, N.K.M., Rao, D.Narayana, Giribabu, L., Maiya, Bhaskar G., Philip, Reji, Kumar, G.Ravindra
Format:	Artikel
Sprache:	eng
Schlagworte:	Degenerate four wave mixing Exact sciences and technology Excited state dynamics Fundamental areas of phenomenology (including applications) Incoherent light Nonlinear optics Optics Phase conjugation, optical mixing, and photorefractive effect Phase conjugation, optical mixing photorefractive and kerr effects Physics Tetra tolyl porphyrins
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Zusammenfassung:	We 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
ISSN:	0030-4018 1873-0310
DOI:	10.1016/S0030-4018(01)01173-7