1. State Key Laboratory of Low-Dimensional Quantum Physics
2. Department of Physics
3. Tsinghua University
4. Beijing
5. P. R. China
6. School of Instrumentation Science and Opto-electronics Engineering
7. Beijing Information Science & Technology University
8. National Engineering Laboratory for Dangerous Articles and Explosives Detection Technologies
9. School of Mechanical Engineering and Automation
10. Fuzhou University
11. Fuzhou
12. Key Laboratory of Particle & Radiation Imaging
13. Ministry of Education
14. Department of Engineering Physics
15. Institute of Applied Physics and Computational Mathematics