Abstract
Congruent In (3 mol%):Ce:Cu:LiNbO 3 crystals have been grown by the Czochralski method in air. Some crystal samples were reduced in Li 2CO 3 power, and others were oxidized in Nb 2O 5 power. The structure of crystals was studied by an infrared transmittance spectrum. The resistance ability to optical damage and the photorefractive properties were measured by light-induced scattering experiments and two-beam coupling, respectively. It has been found that the reduction treatment increased the photoconductivity , which resulted in decreased erasure time and diffraction efficiency, but higher light-induced scattering resistance ability. The oxidation treatment caused the inverse affect. Finally, the nonvolatile holographic recording in In:Ce:Cu:LiNbO3 crystals is realized.
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