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Polarization dependence of the time-resolved fluorescence. The decays of the fluorescence anisotropy for 5G (a) and 5Z (c) are shown. Fluorescence decays I∥ and I⊥ (polarization of the detection with respect to the excitation) for 5G and 5Z are also given (b and d). The magic angle (54.7°) I(t), deduced from I∥ and I⊥ for 5G (see ET Dynamics), is shown for comparison with I∥. The sample conditions are given in Fig. 2.
