Preparation of a new type of storage material: Mn:Cu:LiNbO3

Yuheng Xu; Wusheng Xu; Caixia Liu; Rui Wang

doi:10.1117/12.483376

17 September 2002 Preparation of a new type of storage material Mn:Cu:LiNbO₃

Yuheng Xu, Wusheng Xu, Caixia Liu, Rui Wang

Proceedings Volume 4930, Advanced Optical Storage Technology; (2002) https://doi.org/10.1117/12.483376
Event: Photonics Asia, 2002, Shanghai, China

Abstract

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.

Citation Download Citation

Yuheng Xu, Wusheng Xu, Caixia Liu, and Rui Wang "Preparation of a new type of storage material Mn:Cu:LiNbO₃", Proc. SPIE 4930, Advanced Optical Storage Technology, (17 September 2002); https://doi.org/10.1117/12.483376

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