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本文报道了在K2－K混合系统中由单光子共振激发原子于4P能级，通过4P原子的能量积聚效应及原子──分子的碰撞能量转移过程使分子在高位三重态获得布居，从而产生的扩散带受激辐射．至今已经发现了多种产生分子扩散带的机制．在钠分于中，由单光子或双光子激发销原子于3P能级或
In this paper, it is reported that in a K2-K hybrid system, the atoms excited by single photon resonances at the 4P level generate energy by the energy accumulation effect of 4P atoms and the energy transfer process of the atom-molecule collision, The diffusion band stimulated emission. To date, a variety of mechanisms have been found that produce molecular diffusion bands. In sodium fractionation, the pin atoms are excited by one or two photons at the 3P level or