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Photorefractive Holographic Dynamics in Doubly Doped LiNbO3:Fe:Mn |
LIU You-Wen1;LIU Li-Ren1;ZHOU Chang-He1;XU Liang-Ying2 |
1Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800
2Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050
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Cite this article: |
LIU You-Wen, LIU Li-Ren, ZHOU Chang-He et al 2000 Chin. Phys. Lett. 17 571-573 |
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Abstract The Kukhtarev two-center model for photochromic doubly doped LiNbO3:Fe:Mn crystals is both numerically and analytically solved for the recording sensitivity and the fixed nonvolatile space-charge field. An optimal prescription for material doping and oxidation/reduction processing is found, which requires that the crystal should be strongly oxidized together with a suitable Mn density with respect to the Fe density. Experiments performed with an oxidized crystal and a reduced crystal prove the prediction.
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Keywords:
42.65.-k
42.70.-a
42.40.-i
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Published: 01 August 2000
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