Deep and shallow centers in cerium-doped lead barium niobate

Ki-Soo Lim; Sang-Heun Lee; Chul-Woo Lee; Myeongkyu Lee

doi:10.1117/12.342348

15 March 1999 Deep and shallow centers in cerium-doped lead barium niobate

Ki-Soo Lim, Sang-Heun Lee, Chul-Woo Lee, Myeongkyu Lee

Proceedings Volume 3734, ICONO '98: Fundamental Aspects of Laser-Matter Interaction and New Nonlinear Optical Materials and Physics of Low-Dimensional Structures; (1999) https://doi.org/10.1117/12.342348
Event: ICONO '98: Laser Spectroscopy and Optical Diagnostics: Novel Trends and Applications in Laser Chemistry, Biophysics, and Biomedicine, 1998, Moscow, Russian Federation

Abstract

We have determined the effective density of deep photorefractive centers and the effective electro-optic coefficient by measuring two-wave mixing gains in a Ce:Pb_0.5Ba_0.5Nb₂O₆ photorefractive crystal and compared with those of PBN. We have also investigated the light-induced absorption through pump-probe measurements at relatively low optical power densities. The density of shallow trap centers and their properties are studied from the buildup and decay of the light-induced absorption and its dependence on light intensity and temperature. Two- center model is applied to explain the experimental results.

Citation Download Citation

Ki-Soo Lim, Sang-Heun Lee, Chul-Woo Lee, and Myeongkyu Lee "Deep and shallow centers in cerium-doped lead barium niobate", Proc. SPIE 3734, ICONO '98: Fundamental Aspects of Laser-Matter Interaction and New Nonlinear Optical Materials and Physics of Low-Dimensional Structures, (15 March 1999); https://doi.org/10.1117/12.342348

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