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用热聚合法制备了掺Eu(DBM)3Phen螯合物的聚合物光纤,建立了团簇化铕离子相互作用模型,以此为基础研究该掺杂聚合物光纤的团簇现象。利用速率方程理论,结合光纤的抽运光透射率实验,得到所研究光纤中团簇化铕离子浓度。掺铕质量分数为0.1%,0.2%,0.3%,0.4%,0.5%,1%的聚合物光纤中团簇化铕离子的浓度分别为0.045,0.07,0.07,0.07,0.07,0.08。因此,该掺杂聚合物光纤的团簇化铕离子浓度较低且基本不随掺杂浓度的增加而增加,铕离子之间的团簇化现象不明显。
The polymer optical fiber doped with Eu (DBM) 3Phen chelate was prepared by thermal polymerization, and the cluster interaction model of europium ion was established. Based on this, the cluster phenomenon of the doped polymer optical fiber was studied. Based on the rate equation theory and the experiment of optical transmittance of pumped fiber, the concentration of europium ions in the fiber under study was obtained. The concentrations of the europium ions in the polymer fiber doped with europium are 0.1%, 0.2%, 0.3%, 0.4%, 0.5% and 1% respectively, and the concentrations of the europium ions in the polymer fiber are respectively 0.045,0.07,0.07,0.07,0.07,0.08. Therefore, the concentration of the doped europium ions in the doped polymer optical fiber is low and does not increase substantially with the increase of the doping concentration, and the clustering phenomenon between the europium ions is not obvious.