M.-J. Yuan are with the Department of Physics, Capital Normal University, Beijing 100048, China (e-mail: minjieyuan@126.com).Min-Jie Yuan was born in Sichuan, China in 1991. She received the B.S. degree in physics from Capital Normal University (CNU), Beijing, China in 2013. She is currently pursuing the M.S. degree with the Department of Physics, CNU. Her research interest is terahertz tomography. W.-F. Sun (corresponding author) are with the Department of Physics, Capital Normal University, Beijing 100048, China (e-mail: wfsun@mail.cnu.edu.cn).Wen-Feng Sun received his Ph.D. degree in physics electronics from Beijing Institute of Technology, Beijing, China in 2006. After that he joined the Terahertz Research Team, Department of Physics, CNU. He has published more than 40 papers. His research interests focus on terahertz science and technology, including terahertz photonics, ultrafast optics, and nonlinear optics. X.-K. Wang are with the Department of Physics, Capital Normal University, Beijing 100048, China (e-mail:wxk82721@163.com).Xin-Ke Wang graduated from CNU in 2004 and 2007 as the bachelor and master, respectively. He received the Ph.D. degree in physics from Harbin Institute of Technology, Weihai, China in 2011. From 2009 to 2010, He had worked with the Center for Terahertz Research, Rensselaer Polytechnic Institute, Troy, USA, as a visiting scholar. In 2011, He joined CNU as a lecturer in 2011 and become an associated professor in 2013. He has published more than 20 scientific papers and received 1 China patent. He has gotten 4 foundations, including 2 National Natural Science Foundations of China, 1 Beijing Natural Science Foundation, and 1 sub-project of the National High Technology Research and Development Program of China. His research interest focuses on terahertz photonics. J.-S. Ye are with the Department of Physics, Capital Normal University, Beijing 100048, China (e-mail: jsye@mail.cnu.edu.cn).Jia-Sheng Ye received his B.S. degree in physics from Harbin Insti