在Cs-K混合蒸气中,两步激发Cs原子到8D态,观察了Cs(8D)+K(4S)→Cs(5D)+K(4P)碰撞能量合并逆过程(REP,reverse energy pooling).应用双调制技术探测K(4P)原子发射的荧光,基态K原子密度用光学吸收方法测量.得到了REP速率系数,讨论了其它过程对速率系数的影响.
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