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19 October 2000 Experimental study of nonvolatile holographic storage of multiply doped lithium niobate crystals
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Abstract
Four kinds of lithium niobate crystals doped with Cu:Ce, Mn:Cu:Ce, Mn:Fe, and Mn:Fe:Mg processed under oxidation or reduction conditions are studied experimentally for the photorefractive non-volatile holographic storage with the first scheme, i.e with ultraviolet light sensitizing and red light recording. On the condition of non-volatile holographic storage with high signal-to-noise ratio, the non-volatile diffraction efficiency of the oxidized LiNbO3:Cu:Ce crystal is the highest among all studied samples. The non-volatile holographic storage in the oxidized LiNbO3:Cu:Ce crystal is performed with the second scheme, i.e with blue light sensitizing and red light recording, and the intensity of the blue light is optimized.
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Youwen Liu, Liren Liu, Changhe Zhou, and Liangying Xu "Experimental study of nonvolatile holographic storage of multiply doped lithium niobate crystals", Proc. SPIE 4110, Photorefractive Fiber and Crystal Devices: Materials, Optical Properties, and Applications VI, (19 October 2000); https://doi.org/10.1117/12.404766
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