中国物理B ›› 2009, Vol. 18 ›› Issue (3): 1014-1018.doi: 10.1088/1674-1056/18/3/028
张敬涛1, 龚旗煌1, 张晓明2, 徐至展2
Zhang Xiao-Ming(张晓明)a)b), Zhang Jing-Tao(张敬涛)a)†, Gong Qi-Huang(龚旗煌)b), and Xu Zhi-Zhan(徐至展)a)b)
摘要: The asymmetric photoionization of atoms irradiated by intense, few-cycle laser pulses is studied numerically. The results show that the pulse intensity affects the asymmetric photoionization in three aspects. First, at higher intensities, the asymmetry becomes distinctive for few-cycle pulses of longer durations. Second, as the laser intensity increases, the maximal asymmetry first decreases then increases after it has reached a minimal value. Last, the value of the carrier-envelope phase corresponding to the maximal asymmetry varies with the pulse intensity. This study reveals that the increasing of pulse intensity is helpful for observing the asymmetric photoionization.
中图分类号: (Photoionization of atoms and ions)