Time dependence of the light-induced OD change for Ru-doped BSO after laser pulse excitation at RT (; ; peak pump intensity ) from (a) beginning of the process until full relaxation (b), where the symbols are experimental data and the solid line is the result of the fitting procedure yielding the relaxation times. Inset graph is a semilog plot.
Time dependence of the light-induced OD change for BSO after laser pulse excitation at RT from (a) beginning of the process until full relaxation (b), where the symbols are experimental data and the solid line is a theoretical fit yielding the relaxation times. Inset graph is a semilog plot of BSO compared to Ru-doped BSO at the same time scale.
(a) Optical absorption spectrum of the BSO:Ru sample compared to nondoped BSO and (b) dependence on probe wavelength of , the maximal OD change after laser pulse excitation .
(a) Maximum OD change as a function of peak laser pulse intensity for Ru-doped BSO, and (b) corresponding intensity dependence of the fast and slow relaxation rates ( and ).
Log-log plot of the light-induced OD changes decay vs time for different temperatures . The symbols refer to the measured results, the dashed line results from the curve fitting that yields the decay time constants. (a) Ru-doped BSO and (b) nondoped BSO crystal.
Arrhenius plots of the decay rates derived from the decay curves in Fig. 5. The filled symbols (slow component) and open symbols (fast component) are the measured data, the dotted lines are linear fits, which yield the respective activation energies: (a) and for Ru-doped BSO; (b) and for nondoped BSO.
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