光学学报, 2019, 39 (6): 0602001, 网络出版: 2019-06-17
由动态Stark效应诱导的氢原子涡旋动量分布 
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Dynamic-Stark-Effect Induced Distortion of Vortex Momentum Distributions of Hydrogen Atoms
图 & 表
图 2. 氢原子动量涡旋图。(a)~(c) 两延时脉冲“右/左”圆偏振(第一个脉冲是右旋圆偏振,第二个脉冲是左旋圆偏振)的情况;(d)~(f) 两延时脉冲“左/右”圆偏振的情况
Fig. 2. Vortex-shaped momentum distributions of hydrogen atom. (a)-(c) ‘Right/left’ polarization for two time-delayed pulses (first is right circularly polarized and second is left circularly polarized); (d)-(f) ‘left/right’ polarization for two time-delayed pulses
图 3. 动态Stark效应作用下的氢原子动量涡旋图。(a)~(c)对应两延时脉冲“右/左”圆偏振的情况;(d)~(f)对应两延时脉冲“左/右”圆偏振的情况。激光脉冲参数与图2相同
Fig. 3. Vortex-shaped momentum distributions of hydrogen atom when dynamic Stark effect is considered. (a)-(c) ‘Right/left’ polarization for two time-delayed pulses; (d)-(f) ‘left/right’ polarization for two time-delayed pulses. Laser pulses parameters are same as in Fig. 2
图 4. α=0到α=0.04的动量涡旋变化图。(a) α=0(涡旋臂编号为1,2,3,4);(b) α=0.04(箭头指示臂2峰位置的移动);(c) 各臂峰值强度变化图;(d) 各臂极角变化图
Fig. 4. Transition of vortex-shaped momentum distributions from α=0 to α=0.04. (a) α=0 (vortex arms numbered as 1, 2, 3, 4); (b) α=0.04 (arrow illustrating corresponding shift of peak position of second vortex arm); (c) variation of peak intensity of each arm; (d) variation of polar angle of each arm
图 5. 相位随时间的变化图。(a)~(d) 附加Stark相位,分别对应α=0.01, 0.02, 0.03, 0.04; (e)~(h) 各臂总相位 (半经典动作相位+Stark相位);(i) 有(实线)、无(虚线)Stark效应情况下各臂总相位对比
Fig. 5. Time evolution of different kinds of phases. (a)-(d) Stark phases for α=0.01, 0.02, 0.03, 0.04; (e)-(h) total phase (semiclassical phase+Stark phase) for each vortex arm; (i) comparison of total phases with (solid line) and without (dashed line) Stark effect for each vortex arm
孔雪莲, 张贵忠, 汪天庆, 丁欣, 姚建铨. 由动态Stark效应诱导的氢原子涡旋动量分布[J]. 光学学报, 2019, 39(6): 0602001. Xuelian Kong, Guizhong Zhang, Tianqing Wang, Xin Ding, Jianquan Yao. Dynamic-Stark-Effect Induced Distortion of Vortex Momentum Distributions of Hydrogen Atoms[J]. Acta Optica Sinica, 2019, 39(6): 0602001.
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