A scheme of the auto - control system to stabilize the phases of two relative ultrashort laser pulses is presented, as a key role in the coherent control photocurrent experiments.

• 通过控制基频光、倍频光在全光孔径干涉光场内的等相面保持一致的实验处理方法,制作了一套相位差稳定自动控制系统,并应用于光学相干控制光电流实验中,获得较好的实时控制效果。