Abstract
Congruent Eu:Fe:LiNbO<sub>3</sub> crystals doped with or without fluxing agent K<sub>2</sub>O have been grown by TSSG method and the Czochralski method, respectively. The holographic storage properties, diffraction efficiency, response time and photoconduction, of the two Eu:Fe:LiNbO<sub>3</sub> crystals are characterized by two-wave coupling experiment. Eu:Fe:LiNbO<sub>3</sub> doped with fluxing agent K<sub>2</sub>O (Eu:Fe:SLN) has the higher photorefractive performances than congruent Eu:Fe:LiNbO<sub>3</sub> (Eu:Fe:CLN). The nonvolatile holographic storage is realized in Eu:Fe:SLN crystals by using He-Ne laser as the light source and ultraviolet as the gating light.
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