中文摘要：

JI Weili was born in Shaanxi, China, in 1974. She received the B.S. degree in applied optics from Northwest University, Xi＇an, China, and the M.S. degree in physical electronics in 2005 from Xi＇an University of Technology, Xi＇an, where she is currently working toward the Ph.D. degree in microelec- tronics and solid-state electronics. Tel： （029） 82066357 E-mail： jiweili@xaut.edu.cn Sill Wei was born in Shaanxi Province, China, in November 1957. He received the M.S. degree in optics from Northwest University, Xi＇an, China, in 1989 and the Ph.D. degree in electrical engineering from Xi＇an Jiaotong University, Xi＇an, in 1997.He is currently a Professor and the Head of the Department of Applied Physics, Xi＇an University of Technol- ogy. His fields of interest focus on high-power-pulse applica- tion, terahertz generation of GaAs PCSS, etc.Tel： （029）82066359 E-mail （Corresponding author）： swshi @ mail. xaut.edu.cn