Investigation on energy transfer from Er3+ to Nd3+ in teilurite glass

稀土学报(英文版), 2008, 26(6): 899-903.

^1, , ^2, , ^3, , ^4, , ^5,

1.Faculty of Information Science and Engineering, Ningbo University, Ningbo 315211, China

2.Faculty of Information Science and Engineering, Ningbo University, Ningbo 315211, China

3.Faculty of Information Science and Engineering, Ningbo University, Ningbo 315211, China

4.Faculty of Information Science and Engineering, Ningbo University, Ningbo 315211, China

5.Faculty of Information Science and Engineering, Ningbo University, Ningbo 315211, China

基金项目: 浙江省教育厅资助项目(20061664) 浙江省自然科学基金(2006C21082)

Investigation on energy transfer from Er3+ to Nd3+ in teilurite glass

SHEN Xiang ^1, , NIE Qiuhua ^2, , XU Tiefeng ^3, , DAI Shixun ^4, , WANG Xunsi ^5,

1.Faculty of Information Science and Engineering, Ningbo University, Ningbo 315211, China

2.Faculty of Information Science and Engineering, Ningbo University, Ningbo 315211, China

3.Faculty of Information Science and Engineering, Ningbo University, Ningbo 315211, China

4.Faculty of Information Science and Engineering, Ningbo University, Ningbo 315211, China

5.Faculty of Information Science and Engineering, Ningbo University, Ningbo 315211, China

Keywords： energy transfer

A study of energy transfer of Er3+/Nd3+ codoped tellurite glasses was presented. By Nd3+ co-doping, both the Er3+ green emission corresponding to the Er3+: (4S3/2,2H11/2)→4I15/2 transitions and the red emission corresponding to the Er3+: 4F9/2→4I15/2 transitions were quenched. The energy transfer mechanism between Er3+ and Nd3+ was discussed based on their energy level characteristics. The interaction parameters, CD-A, for the energy transfer processes from Er3+ to Nd3+ in tellurites glass were calculated. Finally, the resonant transfer Er3+: 4I9/2→Nd3+: (4F5/2, 2H9/2) was proposed to be the most probable microscopic process to occur in contrast with the other processes.

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