基于抛物线坐标系的电离光电子运动方程,分析了具有不同动能光电子运动轨道及其特征,给出了光电子投射到探测器上的半径表示。结果表明,快电子成像图谱既反映了光电子的能量特点,也反映了所处轨道的空间分布信息;慢电子的成像图谱则与其所具有的能量密切相关,光电子主要集中在成像图谱的中心区域。

Based on the equation of the movement of the photoelectrons in the parabola coordinates,the trajectory and movement characteristic of the photoelectrons are analyzed for the various cases. The radiuses of the photoelectrons projecting onto the detector are investigated for the photoelectrons taking various kinetic energies. The results show that the fast photoelectron imaging pattern shows the energy feature of the photoelectrons,as well as the information of the space distribution of the photoelectron orbital. The slowing photoelectron imaging pattern is correlative with the energy of the photoelectron,and the photoelectrons focus mostly on the center of the photoelectron imaging pattern.