1. Jilin University, College of Electronic Science and Engineering, Changchun, Jilin, ChinabJilin University, College of physics, Changchun, Jilin, China
2. Jilin University, College of Electronic Science and Engineering, Changchun, Jilin, ChinacBeijing Normal University, State Key Laboratory of Remote Sensing Science, Beijing, China
3. Jilin University, College of physics, Changchun, Jilin, China