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LiNbO3:Fe:Mn晶体非挥发全息存储性能的理论研究

Keywords: 非线性光学,全患存储,空间电荷场,隧穿效应

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Abstract:

以双中心模型为基础,研究了连续光条件下LiNbO3:Fe:Mn晶体在稳态情况下的非挥发双色二步全息存储性能.在各种实验条件下通过比较双中心模型中深(Mn2/Mn3)、浅(Fe2/Fe3)能级之间所有可能的电子交换过程,发现由深浅能级之间直接电子交换过程所导致的隧穿效应对LiNbO3:Fe:Mn晶体总的空间电荷场的大小起着决定性的作用.同时,这一电子交换过程对晶体非挥发全息存储性能也起着至关重要的作用.

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