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从理论上分析了在Ｙｂ３＋掺杂的各种固体中存在着浓度猝灭效应的现象，指出“合作上转换”是这种现象的起因，并与实验进行了比较．
The phenomenon of concentration quenching effect in various Yb3 + -doped solids is theoretically analyzed. It is pointed out that “cooperative up-conversion” is the cause of this phenomenon and is compared with the experiment.