According to the refractive index ellipsoid of uniaxial crystal, the relationship between diffraction efficiency of volume grating and polarization state of readout beam is theoretically analyzed.
根据单轴晶体的折射率椭球，从理论上分析了光折变体光栅的衍射效率与读出光偏振态的关系。
According to the ellipsoid of refractive index of biaxial crystal, this paper discussed the propagation of energy in crystal.
本论文从双轴晶体的折射率椭球出发，研究了锥形折射的能量传播规律。
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