中国激光, 2018, 45 (5): 0505003, 网络出版: 2018-05-21
自加速艾里光束的生成及控制 
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Generation and Control of Self-Accelerating Airy Beams
图 & 表
图 2. 二维艾里光束的自加速轨迹投影示意图
Fig. 2. Projection diagram of self-accelerating trajectory of 2D Airy beams
图 3. 自修复原理示意图。(a)未遮挡主光斑;(b)遮挡主光斑,虚线表示消失的主光斑轨迹
Fig. 3. Schematic diagram of self-healing principle. (a) Main light spot that is not blocked; (b) main light spot is blocked by a baffle, dotted line depicts vanishing trajectory
图 5. 相位模板的相位分布。(a)一维;(b)二维
Fig. 5. Phase distribution of phase mask. (a) One dimension; (b) two dimension
图 6. 仿真和实验结果。(a)相位模板;(b)仿真艾里光束侧视图;(c)~(f) z=25,35,45,55 cm处仿真艾里光束的光斑强度分布;(g)对应于(b)~(f)的实验结果
Fig. 6. Results of simulation and experiment. (a) Phase mask;(b) simulated side view of Airy beams; (c)-(f) transverse intensity distribution of the simulated beams, the z coordinates are 25, 35, 45, 55 cm, respectively; (g) experimental results corresponding to (b)-(f)
图 7. 自修复实验结果。(a)未遮挡的光斑;(b)障碍物之后的光斑; (c)~(f)距障碍物分别为10,20,30,40 mm处的光斑
Fig. 7. Results of self-healing experiment. (a) Light spot that is not blocked; (b) intensity distribution behind block; (c)-(f) intensity distribution at plane with relative distance d=10, 20, 30, 40 mm, respectively
图 8. 自聚焦光束。(a)相位模板;(b)~(g)距离SLM分别为15,16,17,18,19,20 cm处的光斑
Fig. 8. Abruptly autofocusing beam. (a) Phase mask; (b)-(g) transverse intensity distribution at different location, the propagation distances are d=15, 16, 17, 18, 19, 20 cm, respectively
李绍祖, 沈学举, 王龙. 自加速艾里光束的生成及控制[J]. 中国激光, 2018, 45(5): 0505003. Li Shaozu, Shen Xueju, Wang Long. Generation and Control of Self-Accelerating Airy Beams[J]. Chinese Journal of Lasers, 2018, 45(5): 0505003.
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