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Ultrafast Relaxation of the S2 Excited State in β-Carotene and its Homologs: A Role of Intermediate States

M. Yoshizawa, D. Kosumi, M. Komukai, K. Yanagi, and H. Hashimoto

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Abstract

Carotenoids with several conjugation lengths have been investigated. Time-resolved absorbance change and fluorescence are explained by relaxation of excited states and nonlinear optical effects. A role of intermediate states between S2 and S1 is discussed.

© 2006 Optical Society of America

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