1. School of Information Science and Engineering, Shandong University, 72 Binhai Road, Qingdao 266237, China
2. Shandong Provincial Key Laboratory of Laser Technology and Application, Shandong University, 72 Binhai Road, Qingdao 266237, China
3. Key Laboratory of Education Ministry for Laser and Infrared System Integration Technology, Shandong University, Qingdao 266237, China
4. School of Mechanical Engineering, Beijing Institute of Technology, Beijing 100081, China
5. State Key Laboratory of Crystal Materials, Shandong University, Jinan 250100, China
6. The State Key Laboratory of Applied Optics, Changchun 130000, China