Prof. Degang Xu is a professor at Tianjin University. He is a standing member of the Laser Technology Committee of the Chinese Optical Society, a director of the Terahertz Biophysics Committee of the Chinese Biophysical Society, vice chairman of the Tianjin Laser Society, and an executive director and director of the Tianjin Optical Society. He was awarded prizes for teaching first-class courses and excellent postgraduate professional degree courses in Tianjin, won the first prize for teaching achievements at Tianjin University and first prize for postgraduate teaching achievements, and was awarded the titles of “Tianjin Excellent Teacher” and “Tianjin University Advanced Worker in Teaching and Educating”. His research interests include laser and terahertz photonics; terahertz spectral imaging; lidar detection; and laser target characteristics.