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频率上转换的研究是光物理学科的热点前沿课题．本文研究的是 Ｅｒ（１ｍｏｌ％） Ｙｂ（１０ ｍｏｌ％）共掺的 ＳｉＯ２－ＡｌＯ１．５－ＰｂＦ２－ＣｄＦ２氟氧化物玻璃（ＥｒＹｂ：ＹＯＧ）样品的直接上转换敏化发光机制． 首先测量了在激光焦点ａ处和较大光斑位置ｂ处的上
The research of frequency upconversion is a hot frontier issue in photophysics. In this paper, the direct upconversion sensitized luminescence of Er (1 mol%) Yb (10 mol%) co-doped SiO2-AlO1.5-PbF2-CdF2 oxyfluoride glass (ErYb: YOG) First, the upper point at the laser focus a and the larger spot position b are measured