It is shown that the hyper-Raman lines disappear, the background noises are restrained and the high harmonics are enhanced due to the interference effect.

• 结果发现适当选取激光场的强度使高阶拉曼线处于谐波位置时，由于相干效应，高阶拉曼谱得到抑制而高次谐波谱则得到加强。