Abstract: The results of experimental investigations of dynamics of photoinduced light absorption in undoped bismuth silicon (Bi 12 SiO 20 ) and bismuth titanium oxide (Bi 12 TiO 20 ) crystals, which are exposed to picosecond laser pulse radiation at the wavelength λ = 532 nm, are presented. The observed dependences of the light-induced absorption evolution are interpreted within the framework of the impurity absorption model taking into account presence of two kinds of deep centres in the crystal band gap.
Keywords: photorefractive crystals, bi 12 sio 20, bi 12 tio 20, photoinduced absorption, laser pulses
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For citation:
Kisteneva M. G., Akrestina A. S., Sivun D. O., Kiselev R. V., Shandarov S. M., Smirnov S. V., Tolstik A. L., Agishev I. N., Stankevich A. V., Kargin Yu. F. Dynamics of photoinduced light absorption in sillenite crystals exposed to picosecond pulse radiation. Doklady Tomskogo gosudarstvennogo universiteta sistem upravleniya i radioelektroniki, 2010, no. 2(22), – p. 2. pp. 62–65.
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