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Preparation and Characterization of Lithium Niobate Single Crystals Doped with 4.02–5.38 mol % Zn

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Using homogeneous doping, a Nb2O5:4.5 mol % Zn precursor, and lithium carbonate, we have synthesized a single-phase LiNbO3:4.1 mol % Zn growth charge, which was then used to grow lithium niobate crystals by the Czochralski technique. High-speed optical quality evaluation results for the crystals and their calculated piezoelectric modulus d333 demonstrate that they have high optical quality. Photoinduced light scattering and laser conoscopy characterization results for homogeneously and directly doped crystals containing 4.02–5.38 mol % Zn confirm their high optical homogeneity and laser damage resistance. The crystals have absolutely no photorefractive response. Our results can be used in the growth of large LiNbO3:Zn crystals with a small coercive field, which are of interest for making laser light converters based on periodically poled structures.

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Correspondence to S. M. Masloboeva.

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Translated by O. Tsarev

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Biryukova, I.V., Masloboeva, S.M., Efremov, I.N. et al. Preparation and Characterization of Lithium Niobate Single Crystals Doped with 4.02–5.38 mol % Zn. Inorg Mater 59, 164–170 (2023).

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