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对于掺铁铌酸锂晶体中不同全息记录配置下的磁光折变效应做了比较系统的理论分析,给出了铌酸锂晶体所有的磁光生伏打非零张量元.详细计算并给出了不同全息纪录配置下的所有体光生伏打、磁光生伏打电流的解析形式.理论结果表明,由于磁光生伏打效应引起了光激发电流的变化,所以对于每种配置全息光栅的衍射效率都会受到外加磁场的影响;对于不同的全息记录配置,磁场对铌酸锂晶体光折变非线性性质的影响也不同.讨论了一种确定特定张量元的方法.
The theoretical analysis of the magneto-optical refraction under different holographic recording configurations in the iron-doped lithium niobate crystal is given, and all the non-zero tensor elements of the lithium-niobate crystal are given. Holographic recording configuration of all the bulk photovoltaic, magneto-photovoltaic current analytical form.The theoretical results show that due to the magneto-photovoltaic effect caused by the photo-induced current changes, so for each configuration of the holographic grating diffraction efficiency will be The effect of the magnetic field on the nonlinear properties of the photonic refraction of lithium niobate crystals is also different for different holographic recording configurations.A method to determine the specific tensor element is discussed.