Light-induced absorption in pure and doped Bi12TiO20 monocrystals by using high-intensity laser pulses

Zdravka I. Aneva; Zahari Y. Peshev; Atanaska D. Deleva; Elena P. Vidolova-Angelova; Dimitar A. Angelov

doi:10.1117/12.425140

9 April 2001 Light-induced absorption in pure and doped Bi₁₂TiO₂₀ monocrystals by using high-intensity laser pulses

Zdravka I. Aneva, Zahari Y. Peshev, Atanaska D. Deleva, Elena P. Vidolova-Angelova, Dimitar A. Angelov

Proceedings Volume 4397, 11th International School on Quantum Electronics: Laser Physics and Applications; (2001) https://doi.org/10.1117/12.425140
Event: 11th International School on Quantum Electronics: Laser Physics and Applications, 2000, Varna, Bulgaria

Abstract

Light-induced absorption in pure B₁₂TiO₂₀ crystal and crystals doped with Nd, Mo, W, and V was investigated using the pump-probe method. Q-switched frequency-doubled (532 nm) YAG:Nd laser with pulse duration approximately 20 ns was applied for sample irradiation. Investigation of pump-induced transmission was carried out by means of a tunable dye laser radiation at (lambda) ₁ equals 568 nm and (lambda) ₂ equals 698 nm. The dependence of the light-induced absorption coefficient on the pump beam intensity and probe wavelengths was determined. The two-center model was used to explain the observed results.

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Zdravka I. Aneva, Zahari Y. Peshev, Atanaska D. Deleva, Elena P. Vidolova-Angelova, and Dimitar A. Angelov "Light-induced absorption in pure and doped Bi₁₂TiO₂₀ monocrystals by using high-intensity laser pulses", Proc. SPIE 4397, 11th International School on Quantum Electronics: Laser Physics and Applications, (9 April 2001); https://doi.org/10.1117/12.425140

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