1. Key Laboratory of Space Photoelectric Detection and Perception in Ministry of Industry and Information Technology, College of Astronautics, Nanjing University of Aeronautics and Astronautics, 29 Jiangjun Road, Nanjing 211106, P. R. China
2. Beijing Center for Crystal Research and Development, Key Laboratory of Functional Crystals and Laser Technology, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing 100190, P. R. China
3. State Key Laboratory of New Ceramics and Fine Processing, School of Materials Science and Engineering, Tsinghua University, Beijing 100084, P. R. China
4. School of Optoelectronic and Information Technology, Zhongshan Torch Polytechnic, Zhongshan 528436, P. R. China