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within English Remove this filter Physics Remove this filter Optics, Lasers, Photonics, Optical Devices Remove this filter K. Yanagi Remove this filter

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  1. No Access

    Chapter and Conference Paper

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

    Time-resolved absorbance change and fluorescence in carotenoids with several conjugation lengths have been investigated. Ultrafast optical responses are explained by relaxation of excited states and resonant n...

    M. Yoshizawa, D. Kosumi, M. Komukai, K. Yanagi, H. Hashimoto in Ultrafast Phenomena XV (2007)

  2. No Access

    Chapter and Conference Paper

    Dynamics of Carotenoids Probed by Femtosecond Absorption, Fluorescence, and Raman Spectroscopy

    Ultrafast optical responses in β-carotene and lycopene depend on the pump wavelength. Excess vibrational energy induced by the photoexcitation remains longer than several picoseconds in the excited states and slo...

    M. Yoshizawa, D. Kosumi, M. Komukai, K. Yanagi, H. Hashimoto in Ultrafast Phenomena XIV (2005)