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Increased optical damage resistance of Zr:LiNbO3 crystals
Authors:Liang Sun  Fengyun Guo  Qiang Lv  Haitao Yu  Hongtao Li  Wei Cai  Yuheng Xu  Liancheng Zhao
Abstract:Zr: LiNbO3 crystals has been grown. The crystal composition and phase are analyzed by X‐ray diffration. The optical damage resistance ability of Zr: LiNbO3 crystals is studied by the Sénarmont compensation method and the transmitted beam pattern distortion method. The saturated value of the birefringence change of 6 mol% Zr: LiNbO3 crystal is 1.01×10‐4, which is seven times smaller than that of congruent pure LiNbO3 crystal. The results of UV‐Visible and IR absorption spectra of Zr: LiNbO3 crystals powerfully confirm that the optical damage resistance threshold concentration of the Zr4+ ions doped in LiNbO3 crystals is about 6 mol% in the melt. (© 2007 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)
Keywords:Czochralski methold  lithium compound  photo‐refracitve materials
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