Yang Qingwei, Guo Ailin, Xie Xinglong, Zhang Fuling, Sun Meizhi, Gao Qi, Li Meirong, Lin Zunqi. Effects of Asymmetric Spectral Clipping in the Stretcher on the Output Pulse Contrast[J]. Collection Of theses on high power laser and plasma physics, 2008, 6(1): 58