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通过求解（Ｃｅ，Ｅｒ）ＹＡＧ和ＥｒＹＡＧ的能级跃迁速率方程，讨论了Ｃｅ３＋对Ｅｒ３＋离子的敏化作用。表明掺Ｃｅ３＋可增强Ｅｒ３＋离子１．６６μｍ和２．９４μｍ波长的激光强度，但仅改变１．６６μｍ波长激光粒子数反转，即Ｎ２（４Ｉ１３／２）＞Ｎ１（４Ｉ１５／２）与Ｅｒ３＋离子浓度的关系。
The sensitization of Ce3 + to Er3 + ions was discussed by solving the energy level transitions of (Ce, Er) YAG and ErYAG. The results show that Ce3 + can enhance the laser intensity of Er3 + ions at 1.66μm and 2.94μm, but only change the number of laser particles at 1.66μm, ie N2 (4I13 / 2)> N1 (4I15 / 2) and Er3 + Relationship.