Fig. 1. The propagation trajectory of the center lobe of a bended Bessel-like beam through the superimposed profile (in red).经叠加轮廓后弯曲类贝塞尔光束中心光瓣的传播轨迹(红色)

Fig. 2. Off-axis point geometric analysis: (a) The distance between any point on the thin ring and the off-axis point; (b) the longest distance between the off-axis point and the point on the thin ring.偏移点几何关系分析　(a) 薄环上任意点与偏移点的光程; (b)偏移点与薄环的最长光程

Fig. 3. Mirror profile.镜面轮廓

Fig. 4. The simulation of self-accelerating Bessel-like beam along a parabolic trajectory: (a) Numerically simulated side-view propagation of the generated beam; (b) intensity of a bended Bessel-like beam when propagation distance ; (c)−(f) cross-sectional images of Bessel-like beam along different distance. 沿抛物线轨迹的自加速类贝塞尔光束仿真　(a) 数值模拟类贝塞尔光束传输的侧面图; (b) 弯曲轨迹类贝塞尔光束在传播距离 处的光强; (c)—(f) 图(a)中不同传播距离处光强的横截面分布

Fig. 5. Assembly of the prototype MFDM: (a) Actual diagram; (b) schematic diagram.磁液变形镜装置　(a) 实物图; (b) 结构示意图

Fig. 6. Layout of the experimental system setup based on the wavefront sensor: (a) Schematic diagram of optical path; (b) actual diagram.基于波前传感器的磁液变形镜镜面控制实验平台 (a) 光路示意图; (b) 实物图

Fig. 7. Wavefront detected by the wavefront sensor (left: main view; right: 3D view): (a) Initial wavefront; (b) an axicon profile; (c) mirror profile; (d) the combination of both axicon and mirror profile.波前传感器检测到的波前轮廓(左图: 主视图; 右图: 三维视图)　(a) 初始面形; (b)轴棱锥轮廓; (c) 镜面轮廓; (d) 混合轴棱锥和镜面轮廓后的面形轮廓

Fig. 8. Experimental cross-section profiles for four different values of z. 取四个不同z值的实验结果横截面图

Fig. 9. Comparison between numerical and experimental demonstrations of deflection of the central spot of a bended Bessel-like beam.理论和实际测得的光束传播轨迹相比较