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激光场强度对NO电子态粒子数布居影响的理论研究
Theoretical study of the influence of laser intensity on the population of the NO molecule electronic states
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摘要: 用含时波包方法研究了激光场强度对NO各电子态上粒子数布居的影响.在计算中,采用了四态模型.利用分裂算符傅里叶变换方法求解Schroinger方程,得到各个电子态的波函数,从而求得各个电子态上粒子数的布居.计算结果表明,不同强度的抽运光对各个电子态上粒子数布居会产生不同的影响.通过改变激光强度可以实现对电离产率的控制,这种思想对实现原子分子过程的激光操控具有重要意义.Abstract: Using the time-dependent wavepacket method and employing the four-state model, the influence of the laser intensity on the population of the NO molecule electronic states are calculated in this paper. The populations of the electronic states of the NO are given by the wavefunctions obtained by solving the Schrodinger equation through the split-oporator Fourier transform method. The calculated results show that different pump pulse intensities have different influences on the population of the electronic states of NO. By changing the pulse intensity, the ionization ratio can be controlled, which will benefit the light manipulation of atomic and molecular processes.
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