He received his B.E. in laser technology in 1984, M.S. in 1984 and Ph.D. in 1991 in optics from Harbin Institute of Technology, Harbin, China.
　  From 1991 to 1998, Dr. Sun worked in the department of Applied Physics, Harbin Institute of Technology, and received the professor in 1997. He has worked in the Laboratory of Optics and Physics, Leica AG, Switzerland and the Institute of Meteorology and Physics, University of Agriculture of Vienna, Austria. He has been a lecturer in the Department of Electrics and Electronics, Fukui University, Japan. Dr. Sun had worked as a researcher in Anhui Institute of Optics and Fine Mechanics, CAS .
　  The current research interests are in the fields of laser remote sensing technology, lidar atmospheric sensing, lidar signal processing, and lidar system R & D.