Intense supercontinuum generation in the near-ultraviolet range from a 400-nm femtosecond laser filament array in fused silica

Li Dongwei¹, Zhang Lanzhi¹, Zafar Saba¹, Song He¹, Hao Zuoqiang^{1, †}, Xi Tingting^{2, ‡}, Gao Xun¹, Lin Jingquan¹

(color online) Typical SC spectra generated by the MLA with different incident laser energies, and by a single lens with incident energy of 80 μJ. A CCD image in false color of the SC beam in the far field is shown in the inset.