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Investigation of energy transfer and frequency upconversion in Ho3+/Yb3+ co-doped tellurite glassesXujie Li; Qiuhua Nie; Shixun Dai; Tiefeng Xu; Xiang Shen; Xianghua Zhang · 2007
Investigation of energy transfer and frequency upconversion in Er3+/Ho3+ co-doped tellurite glassesXudong Zhang; Tiefeng Xu; Shixun Dai; Qiuhua Nie; Xiang Shen; Longjun Lu; Xianghua Zhang · 2008