1. Institute of Laser EngineeringBeijing University of Technology Beijing 100124 China
2. Laser Processing Research CentreSchool of MechanicalAerospace and Civil EngineeringThe University of Manchester Manchester M13 9PL UK
3. Institute of Microstructure and Property of Advanced MaterialsBeijing University of Technology Beijing 100124 China
4. Beijing Engineering Research Center of 3D Printing for Digital Medical HealthBeijing University of Technology Beijing 100124 China
5. Beijing Engineering Research Center of Laser TechnologyBeijing University of Technology Beijing 100124 China
6. Key Laboratory of Trans‐scale Laser ManufacturingMinistry of EducationBeijing University of Technology Beijing 100124 China