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The photorefractive properties of lithium niobate crystals depend strongly on the kind of doping admixture. Study of LiNbO 3 crystals with various doping admixtures using photorefractive light scattering allows insight into the processes taking place in the crystals. This paper presents new experimental results of non-selective and selective photorefractive light scattering investigations into rhodium-doped lithium niobate crystals and proposes a model to explain the experimental data.

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