Enhancement in Laser Performance of Er3+/Yb3+ Co-doped Phosphate Glass Materials
来源期刊：Journal Of Wuhan University Of Technology Materials Science Edition2015年第3期
论文作者：谭芳 于凤霞 WANG Lili WANG Lingfei
文章页码：442 - 446
摘 要：Er3+/Yb3+co-doped phosphate are presented, laser glass materials with composition of P2O5-A12O3-Ba CO3-KNO3-Li2O-Zn O-Er2O3-Yb2O3（R-PABKLZ） are presented, in which an optimal molar ratio of 1:4 between Er3+ and Yb3+ was observed for achieving peak laser gain. Furthermore, due to adding 4.7 mol% Li1+ and 4.6 mol% Zn2+ ions into the glass, an optimum composition structure based laser material was demonstrated. On the other hand, since the high temperature melting method with changeable temperature control was used, the emission cross section of fl uorescence, excited lifetime, and an effective spectral half width reached 9.70 × 10-21 cm2, 8.20 ms, and 53.16 nm, respectively, so that a laser gain（semi× rad） of 103.05 was obtained, which is signifi cantly higher than previously reported results. The manuscript also argued the mechanism of relevant laser gain improvement.
谭芳1,2，于凤霞1，WANG Lili2，WANG Lingfei1
1. Department of Materials Science and Engineering, Changchun University of Science and Technology2. College of Science, Changchun University
摘 要：Er3+/Yb3+co-doped phosphate are presented, laser glass materials with composition of P2O5-A12O3-Ba CO3-KNO3-Li2O-Zn O-Er2O3-Yb2O3（R-PABKLZ） are presented, in which an optimal molar ratio of 1:4 between Er3+ and Yb3+ was observed for achieving peak laser gain. Furthermore, due to adding 4.7 mol% Li1+ and 4.6 mol% Zn2+ ions into the glass, an optimum composition structure based laser material was demonstrated. On the other hand, since the high temperature melting method with changeable temperature control was used, the emission cross section of fl uorescence, excited lifetime, and an effective spectral half width reached 9.70 × 10-21 cm2, 8.20 ms, and 53.16 nm, respectively, so that a laser gain（semi× rad） of 103.05 was obtained, which is signifi cantly higher than previously reported results. The manuscript also argued the mechanism of relevant laser gain improvement.
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