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2005 Volume 14 Issue 12
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Dai Cui-Xia, Liu Li-Ren, Liu De-An, Zhou Yu, Chai Zhi-Fang, Luan Zhu. 2005: Improvement in refractive-index change in LiNbO3:Ce:Cu by applying an external electric field, Chinese Physics B, 14(12): 2491-2495.
Citation: Dai Cui-Xia, Liu Li-Ren, Liu De-An, Zhou Yu, Chai Zhi-Fang, Luan Zhu. 2005: Improvement in refractive-index change in LiNbO3:Ce:Cu by applying an external electric field, Chinese Physics B, 14(12): 2491-2495.
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Improvement in refractive-index change in LiNbO3:Ce:Cu by applying an external electric field

  • Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China

  • Available Online: 30/12/2005
  • Fund Project: the State Science and Technology Commission of China(Grant 2002CCA03500)%the National NaturalScience Foundation of China(Grant 60177016)
  • By jointly solving two-centre material equations with a nonzero external electric field and coupled-wave equations,we have numerically studied the dependence of the non-volatile holographic recording in LiNbO3:Ce:Cu crystals on the external electric field. The dominative photovoltaic effect of the non-volatile holographic recording in doubly doped LiNbO3 crystals is directly verified. And an external electric field that is applied in the positive direction along the c-axis (or a large one in the negative direction of the c-axis) in the recording phase and another one that is applied in the negative direction of the c-axis in the fixing phase are both proved to benefit strong photorefractive performances.Experimental verifications are given with a small electric field applied externally.
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    沈阳化工大学材料科学与工程学院 沈阳 110142

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Improvement in refractive-index change in LiNbO3:Ce:Cu by applying an external electric field

  • Available Online: 30/12/2005

Abstract: By jointly solving two-centre material equations with a nonzero external electric field and coupled-wave equations,we have numerically studied the dependence of the non-volatile holographic recording in LiNbO3:Ce:Cu crystals on the external electric field. The dominative photovoltaic effect of the non-volatile holographic recording in doubly doped LiNbO3 crystals is directly verified. And an external electric field that is applied in the positive direction along the c-axis (or a large one in the negative direction of the c-axis) in the recording phase and another one that is applied in the negative direction of the c-axis in the fixing phase are both proved to benefit strong photorefractive performances.Experimental verifications are given with a small electric field applied externally.

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