1. Key Laboratory of Particle and Radiation Imaging (Tsinghua University), Ministry of Education, Beijing 100084, China
2. Laboratory for Advanced Radiation Sources and Application, Tsinghua University, Beijing 100084, China
3. Department of Engineering Physics, Tsinghua University, Beijing 100084, China
4. State Key Laboratory of Intense Pulsed Radiation Simulation and Effect (Northwest Institute of Nuclear Technology), Xi’an 710024, China
5. Nuctech Company Limited, Beijing 100084, China