4th National Optics Workshop of Young Scientists (第四届全国光学青年学术论坛) organized by CUFO was held in Jilin University on Aug. 12-16. More than 20 students from our Lab. served as volunteers and contributed to the success of this workshop. Prof. Hong-Bo Sun and Jing Feng gave their invited presentation. Nian-Ke Chen received a Best Student Presentation Award.