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Proceedings Paper

Preparation of a new type of storage material: Mn:Cu:LiNbO3
Author(s): Yuheng Xu; Wusheng Xu; Caixia Liu; Rui Wang
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Paper 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.

Paper Details

Date Published: 17 September 2002
PDF: 5 pages
Proc. SPIE 4930, Advanced Optical Storage Technology, (17 September 2002); doi: 10.1117/12.483376
Show Author Affiliations
Yuheng Xu, Harbin Institute of Technology (China)
Wusheng Xu, Harbin Institute of Technology (China)
Caixia Liu, Harbin Institute of Technology (China)
Rui Wang, Harbin Institute of Technology (China)


Published in SPIE Proceedings Vol. 4930:
Advanced Optical Storage Technology
Duanyi Xu; Seiya Ogawa, Editor(s)

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