Resonance-enhanced time-resolved optical Kerr effect of ß-carotene in solution

Year: 1992

Authors: Foggi P., Kamalov V.F., Righini R., Torre R.

Autors Affiliation: European Laboratory of Nonlinear Spectroscopy, University of Florence, Largo E. Fermi 2, Florence, Italy; Department of Chemistry, University of Florence, via G. Capponi 9, Florence, 50121, Italy; Photochemistry Department, Institute of Chemical Physics, Academy of Sciences, Kosygin Street 4, Moscow, 117977, Russian Federation; Department of Physics, University of Florence, Largo E. Fermi 2, Florence, 50125, Italy

Abstract: A sharp resonant amplification of the third-order susceptibility of a diluted ß-carotene solution in dodecane is observed by means of the time-resolved optical Kerr effect when the wavelength of the probe is tuned in the range of 490–570 nm. The resonance is well in the red with respect to the 0–0 first electronic transition; some evidence is given of the possible role of higher excited states and of two-photon resonance.

Journal/Review: OPTICS LETTERS

Volume: 17 (11)      Pages from: 775  to: 777

KeyWords: Raman; Susceptibilities
DOI: 10.1364/OL.17.000775

Citations: 8
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