铌酸钾钠基透明上转换陶瓷材料制备及性能
耿志明1, 李坤1,2, 施东良1, 施瑕玉1, 黄海涛2, 陈王丽华2

Preparation and Performance of KNN-based Upconversion Transparent Ceramics
GENG Zhi-Ming1, LI Kun1,2, SHI Dong-Liang1, SHI Xia-Yu1, HUANG Hai-Tao2, CHAN Helen Lai Wa2
图 7 900 nm激发下Er 3+ Yb 3+ :KNNLB陶瓷上转换发光的能级跃迁
Fig. 7 Schematic energy level diagram of Er 3+ and Yb 3+ in Er 3+ Yb 3+ :KNNLB ceramics at excitation of 900 nm