Simultaneous study of the lower order harmonic and photoelectron emission from an atom in intense laser pulse Project supported by the National Key Research and Development Program of China (Grant No. 2017YFA0403300), the National Natural Science Foundation of China (Grant Nos. 11774129, 11274141, 11627807, 11604119, and 11534004), and the Jilin Provincial Research Foundation for Basic Research, China (Grant No. 20170101153JC). |
(color online) Change of photoelectron emission with the laser intensity. |