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dc.contributor.authorMatusevich, A.-
dc.contributor.authorTolstik, A.-
dc.contributor.authorKisteneva, M.-
dc.contributor.authorShandarov, S.-
dc.contributor.authorMatusevich, V.-
dc.contributor.authorKiessling, A.-
dc.contributor.authorKowarschik, R.-
dc.identifier.citationInvestigation of photo-induced absorption in a Bi12TiO20 crystal. Appl. Phys. B 92, 219–224 (2008)ru
dc.description.abstractABSTRACT A photorefractive Bi12TiO20 (BTO) crystal is exposed with high intensity pulsed-laser beams 532 nm (the average intensity of the laser was 110mW/cm2, the average intensity per pulse was 2MW/cm2), and the photo-induced dynamics of the absorption between 480 and 900 nm are studied and explained by two long-lived energy levels in the forbidden band. The relaxation times of the long-lived energy levels are experimentally found to be 104 and 105 s. The hysteresis character of the absorption coefficient is discussed. PACS 42.70.Mp; 42.70.Giru
dc.titleInvestigation of photo-induced absorption in a Bi12TiO20 crystalru
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