1. Collaborative Innovation Center for Green Intelligent Laser Manufacturing Technology and Equipment of Shandong Province, School of Mechanical and Automotive Engineering, Qingdao University of Technology, Qingdao 266520, China
2. Institute of Post-LED Photonics, Tokushima University, Tokushima 770-8506, Japan
3. Collage of Intelligent Manufacturing, Qingdao Huanghai University, Qingdao 266427, China