Chen Xiao-bo, Chen Luan, Zhao Chen-yi, Sawanobori N, Ma Hui, Song Zeng-fu
Beijing Normal University, Optical Center, Beijing 100875, China.
Guang Pu Xue Yu Guang Pu Fen Xi. 2003 Feb;23(1):1-5.
This paper investigates the direct upconversion sensitization luminescence of the ErYb co-doped oxyfluoride glass (ErYb: FOG), fluoride glass (ErYb: ZBLAN) and pentaphosphate noncrystalline (ErYb: PP) excited by a 966 nm diode laser. The splendid upconversion luminescence phenomenon is found. It is resulted from that the Yb3+ concentration in rather high, the energy transfer among Er(3+)-Yb3+ and Yb(3+)-Yb3+ ions is rather strong. An important fact is found that the direct upconversion sensitization luminescence of ErYb: FOG is about 100-100,000 times greater than that of ErYb: PP. And meanwhile it is interesting that the upconversion luminescence intensity of ErYb: FOG is near to that of ErYb: ZBLAN. It is significant to enhance the comprehensive level of up-conversion luminescence.
本文研究了966nm二极管激光器激发下铒镱共掺杂氟氧化物玻璃（ErYb: FOG）、氟化物玻璃（ErYb: ZBLAN）和五磷酸盐非晶（ErYb: PP）的直接上转换敏化发光。发现了出色的上转换发光现象。这是由于Yb3+浓度相当高，Er(3+)-Yb3+和Yb(3+)-Yb3+离子之间的能量转移相当强烈。发现一个重要事实，即ErYb: FOG的直接上转换敏化发光比ErYb: PP的强约100 - 100,000倍。同时有趣的是，ErYb: FOG的上转换发光强度与ErYb: ZBLAN的相近。这对于提高上转换发光的综合水平具有重要意义。
