指出三光子离化过程使三次谐波转换效率降低。
It is shown that the three photon ionization will be a limiting process in third-harmonic generation.
计算到三阶微扰项，其结果可用于双光子及三光子共振过程。
The first three terms of the perturbation are obtained, which can be used for two or three photon resonant processes.
本文报道用双色三光子共振电离法测量钐原子高激发态78个新能级。
The paper reports the measurement of 78 high-lying levels in samarium atoms by two-colour three-photon resonant ionization.
应用推荐