Chengyou Lin is a Professor in the College of Mathematics and Physics, Beijing University of Chemical Technology. He graduated from Beijing Normal University and received his Ph.D. in 2013. He has undertaken many scientific research projects, such as the National Natural Science Foundation of Youth Fund and Theoretical Physics Special Fund, and national key research and development programs. He teaches undergraduate courses in optoelectronic technology, production practice, comprehensive curriculum design, and a graduate course in thin film optics. His research interests include radiative cooling, optical thin film, and ultra-fast optics.