Fig. 1. Schematic diagram of experimental setup. M, 800 nm HR mirror; G, grating; CL, cylindrical lens; LC-SLM, liquid crystal spatial light modulator; MLA, microlens array; L, plano-convex lens; FS, fused silica; DM, dichroic mirror; IS, integrating sphere.实验装置示意图(M, 800 nm高反镜; G, 光栅; CL, 柱面镜; LC-SLM, 液晶空间光调制器; MLA, 微透镜阵列; L, 平凸透镜; FS, 熔融石英; DM, 二向色镜; IS, 积分球)

Fig. 2. (a) Evolution trend of supercontinuum generation by the spatiotemporal modulation femtosecond pulse filamentation with the increasing of iterative generation; (b) supercontinuum spectra of several typical iterative generations.(a)时空调制飞秒脉冲成丝的超连续辐射随迭代代数的演化; (b)典型迭代代数对应的超连续辐射光谱

Fig. 3. Spectral intensity integration (400−700 nm) of the supercontinuum as a function of the iterative generation.超连续辐射光谱积分(400−700 nm波段)随迭代代数的变化

Fig. 4. Initial envelopes of shaped laser pulse with typical iteration generations of (a) 1, (b) 3, (c) 8 and (d) 17, respectively.典型迭代代数对应整形激光脉冲初始包络, 图中迭代代数依次为(a) 1, (b) 3, (c) 8和(d) 17