The Stepanov technique has been developed for SBN solid-solution crystal growth. We
carried out a comparison of the growth conditions of SBN crystals in the traditional …

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Measurements of absorption, photoconductivity, and dark conductivity and of light-induced
absorption changes in photorefractive Sr_0. 61Ba_0. 39Nb_2O_6: Ce crystals with Ce …

X-ray photoelectron spectroscopy (XPS) measurements show that Ce occurs in
photorefractive Sr0. 61Ba0. 39Nb2O6 (SBN) crystals mainly in the valence state 3+. We give …

A new mutually pumped phase-conjugate mirror configuration is demonstrated in barium
titanate crystals, in which the beams travel in a geometrical path similar to the outline of a …

A method is presented to perform direct photoconductivity measurements of Sr0. 61Ba0.
39Nb2O6: Ce crystals at high intensities: A high voltage is applied to the sample and …

Spatial and temporal effects arising in photorefractive crystals during the process of double
phase conjugation are analyzed numerically with a novel beam-propagation method. Slowly …

Self-pumped phase-conjugated reflectivities in KNbO_3 crystals doped with Fe have been
optimized in specially cut crystals. Without using external cavities, we have obtained …

A family of self-pumped four-wave mixing-based geometries for conjugation and mutual
conjugation of light beams is analyzed in the framework of a three-dimensional theory …

In this study, the isothermal sintering behaviors of pure and CeO2-doped Sr0. 5Ba0.
5Nb2O6 ceramics were evaluated. It was found that the cerium dopant would increase the …