氟化物玻璃在两束激光作用下的上转化三维立体显示  

Up-Conversion Three-Dimensional Volumetric Display of Fluoride Glass under Two Beams of Lasers

作　　者：刘名扬[1] 张瑞萍[1] 

机构地区：[1]装甲兵工程学院基础部,北京100072

出　　处：《中国激光》2011年第10期125-129,共5页Chinese Journal of Lasers

基　　金：总装基础科学创新项目(2009ZB016)资助课题

摘　　要：研究了两束激光作用下的上转换三维(3D)立体显示,所用材料为ZBLAN:Pr,Yb氟化物玻璃。所用的两束激光是波长分别为960 nm(半导体激光器)和820 nm(Ti宝石激光器)。对Pr3+离子双频上转换发光进行了研究,分析了上转换发光强度与抽运光强度和离子掺杂浓度的关系,从而得出了实现较清晰双频上转换3D立体图像的实验条件。ZBLAN玻璃为双频上转换3D立体显示的基质材料,主要由于其有非常好的声子光谱声子频率小于580 cm-1;当激光强度很小时,上转换荧光强度将随着两抽运激光强度的增加而线性增加;ZBLAN玻璃中Pr3+离子和Yb3+离子的最佳掺杂摩尔分数为0.5%和1.5%。Two beams of pumping up-conversion three-dimensional（3D） volumetric display which is based on a ZBLAN：Pr,Yb fluoride glass are investigated.The lasers employed are infrared semiconductor laser with wavelength 960 nm and tunable Ti gem laser with wavelength of 820 nm,respectively.The two frequency up-conversion luminescence of Pr3＋ ion is investigated.The relation between up-conversion fluorescence intensity,pumping lasers intensity,and ion doped concentration is analyzed,and the experimental conditions to realize the clear two frequency up-conversion 3D display are therefore obtained.ZBLAN glass is selected as two-frequency up-conversion 3D volumetric display foundation material for it has perfect phonon spectrum whose maximum phonon frequency is 580 cm-1;up-conversion fluorescence intensity increases linearly with augment of two beams of pumping lasers intensity when lasers intensity are very weak;optimal doped concentration of Pr3＋ and Yb3＋ ions are 0.5% and 1.5% mole fraction,respectively.

关 键 词：材料 三维立体显示 双频上转换 ZBLAN玻璃 

分 类 号：O482.31[理学—固体物理] O433.5[理学—物理]