Spatial chirp in Ti:sapphire multipass amplifier

Li Wenkai^{1, 2}, Lu Jun^{1, 2}, Li Yanyan¹, Guo Xiaoyang^{1, 3}, Wu Fenxiang^{1, 2}, Yu Linpeng^{1, 2}, Wang Pengfei^{1, 2}, Xu Yi^{1, †}, Leng Yuxin^{1, ‡}

(color online) Output signal spectrum corresponding to distinct input (a) pump energy flux densities and (b) signal energy flux densities.