论文部分内容阅读
我们以前对非晶 ＺＢＬＡＮ光纤玻璃中掺杂稀土离子 Ｅｒ_（３＋）的转换发光的研究表明，在室温、大功率半导体激光器的激发下，Ｅｒ_（３＋）的荧光主要是通过单离子步进双光子过程发生的，而其多光子过程虽然非常微弱，但在强的半导体激光的照射下也可产生．通过Ｙｂ_（３＋）的掺杂敏化，Ｅｒ_（３＋）的各条荧光谱线都有不同程度的增强，而且增强幅度极大，产生了迄今为止我们所知的最强的绿光发射， Ｅｒ离子的蓝、紫外的发光也得到子测量．这说明 Ｙｂ_（３＋）对 Ｅｒ_（３＋）的上转换荧光过程有着强烈的敏化作用，这一现象的应用前景有待进一步开拓．
Our previous studies on the conversion luminescence of rare earth ions Er_ (3+) in amorphous ZBLAN optical glass show that under the excitation of high power semiconductor lasers at room temperature, the fluorescence of Er_ (3+) mainly comes from single-photon step two-photon Process occurs, and its multiphoton process is very weak, but it can also be generated by strong semiconductor laser irradiation. Through the doping and sensitization of Yb_ (3+), the fluorescence spectra of Er_ (3+) are enhanced to some extent, and the amplitudes are greatly increased, resulting in the strongest green emission so far known, Er Ion blue, ultraviolet light is also measured. This indicates that Yb_ (3+) has a strong sensitization effect on the up-conversion fluorescence of Er_ (3+). The application prospect of this phenomenon needs to be further explored.