1. Center for Terahertz Waves and College of Precision Instrument and Optoelectronics Engineering
2. Tianjin University
3. Tianjin 300072
4. China
5. Shanghai Institute of Applied Physics
6. Chinese Academy of Sciences
7. Shanghai 201800
8. P. R. China
9. Chongqing Engineering Research Center of High-Resolution and Three-Dimensional Dynamic Imaging Technology
10. Chongqing Institute of Green and Intelligent Technology
11. Chinese Academy of Science
12. Chongqing 400714
13. School of Electrical and Computer Engineering