1. Shandong Collaborative Innovation Center of Laser Green Intelligent Manufacturing Technology and Equipment, Qingdao University of Technology, Qingdao, Shandong 266520, China
2. The Photon Factory, Department of Physics, University of Auckland, Auckland 1010, New Zealand
3. Shandong Energy Heavy Industry Group, Hengtu Technology Co., Ltd, Taian, Shandong 271200, China