1. Army Academy of Artillery and Air Defense, Teaching and Research Department of Physics, Hefei 230031, China
2. Chinese Academy of Sciences, Hefei Institutes of Physical Sciences, Institute of Plasma Physics, Hefei 230031, China
3. University of Science and Technology of China, Science Island Branch of Graduate School, Hefei 230026, China
4. Anhui University, Institute of Physical Science and Information Technology, Hefei 230031, China