Optical Properties of Ce-Doped Lithium Niobate Crystals with Various Li/Nb Ratio |
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| Authors: | WANG Miao WANG Ru XU Yan-Ling LIU Xin-Rong Lǘ Zu-Shun YANG Chun-Hui XU Yu-Heng |
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| Institution: | Department of Applied Chemistry,Harbin Institute of Technology,Harbin 150001,China |
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| Abstract: | Ce-doped lithium niobate (LiNbO3) single crystals were grown from the melts with various Li/Nb molar ratios (0.750, 0.850, 0.946, 1.100, 1.250 and 1.380) by Czochralski method, while doping concentration of Ce was 0.1 mol%. Infrared spectra (IR) and Ultraviolet-visible absorption spectra (UV) of the crystals were measured to investigate the location of Ce ions and defect structure in crystals. The writing time, erasing time, photorefractive sensitivity and dynamic range were measured by two-wave coupling eq... |
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| Keywords: | crystal growth optical materials and properties crystal structure |
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