报道了对ＢａＴｉＯ３晶体中体全息栅的热定影过程的研究结果，对ＢａＴｉＯ３晶体中离子补偿栅形成的临界温度，离子栅的形成与衍射光振荡间的关系，离子栅的形成速度与温度的关系，降温方式对热定影效率的影响进行了仔细的研究，并实现了高效率的热定影。发现了高温擦除过程的有趣现象，并对实验结果进行了分析。 The results of the research on the heat-fixing process of bulk holographic gratings in BaTiO3 crystal, the relationship between the critical temperature of the BaTiO3 crystal in the compensation gate formation, the relationship between the formation of the ion gate and the oscillation of diffracted light, the formation speed of the ion gate and the temperature are reported , The influence of the cooling method on the heat fixing efficiency has been carefully studied, and high-efficiency heat fixing has been achieved. The interesting phenomenon of high temperature erase process was found and the experimental results were analyzed.