Upconversion Luminescence of the Er^(3+) and Yb^(3+) Codoped Transparent Vitroceramics  

作　　者：LI Yun-Bai HOU Yan-Bing ZHAO Su-ling YI Li-xin XU Xu-Rong 李云白;侯延冰;赵谡玲;衣丽新;徐叙瑢(Department of Physics,Northern Jiaotong University,Beijing 100044;Institute of Optoelectronics,Northern Jiaotong University,Beijing 100044)

机构地区：[1]Department of Physics,Northern Jiaotong University,Beijing 100044 [2]Institute of Optoelectronics,Northern Jiaotong University,Beijing 100044

出　　处：《Chinese Physics Letters》2000年第7期515-516,共2页中国物理快报（英文版）

基　　金：Supported in Part by National Laboratory of Infrared Physics,Shanghai Institute of Technical Physics,Chinese Academy of Sciences,and Paper's Foudation of Northern Jiaotong university.

摘　　要：The upconversion luminescence of oxyfluoride transparent vitroceramics codoped with Er^(3+) and Yb^(3+) has been studied experimentally. There are microcrystallites to form in the oxyfluoride glass which is treated over its transi tion temperature, and the transparent vitroceramics are obtained. The vitroceramics has the better transparency and a high upconversion luminescent efficiency. Our results show that there is strong energy transfer between Er^(3+) and Yb^(3+) in the vitroceramics, which results in the change of the upconversion spectra with intensity of excitation laser.

关 键 词：FLUORIDE TRANSPARENT EXCITATION 

分 类 号：O48[理学—固体物理]