17 September 2002 Preparation of a new type of storage material Mn:Cu:LiNbO3
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Lithium niobate crystals doped with the photorefractive sensitizing impurities of MnO and/or CuO have been grown by the Czochralski method. The crystals were treated with the oxidation or reduction. The absorption spectra of LiNbO3, Mn:LiNbO3, Cu:LiNbO3 and Mn:Cu:LiNbO3 were measured. For these four crystals, the absorption edge of pure LiNbO3 is at the shortest wavelength, and that of Mn:Cu:LiNbO3 is located at the longest wavelength. The exponential gain coefficient, diffraction efficiency, response time and phase conjugate reflectivity were measured. Mn:Cu:LiNbO3 has the excellent photorefractive properties and holographic storage properties.
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Yuheng Xu, Yuheng Xu, Wusheng Xu, Wusheng Xu, Caixia Liu, Caixia Liu, Rui Wang, Rui Wang, } "Preparation of a new type of storage material Mn:Cu:LiNbO3", Proc. SPIE 4930, Advanced Optical Storage Technology, (17 September 2002); doi: 10.1117/12.483376; https://doi.org/10.1117/12.483376

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