1. State Key Laboratory of Precision Spectroscopy, School of Physics and Electronic Science, East China Normal University, Shanghai 200241, China
2. Physical Sciences Division, Pacific Northwest National Laboratory, 902 Battelle Boulevard, P. O. Box 999, MS K8-88, Richland, Washington 99352, USA
3. Department of Chemistry, Anhui University, Hefei, Anhui, 230601, China
4. College of Chemistry & Molecular Sciences, Wuhan University, Wuhan, Hubei 430072, China
5. Collaborative Innovation Center of Extreme Optics, Shanxi University, Taiyuan, Shanxi 030006, China