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 下载: 1158次

Generation and Control of Self-Accelerating Airy Beams
作者单位
1 陆军工程大学石家庄校区电子与光学工程系, 河北 石家庄 050003
2 武警士官学校, 浙江 杭州 311400
摘要
基于切线簇的概念, 从几何光学的角度分析了自加速艾里光束的形成过程, 以及艾里光束入射面相位分布与其自加速轨迹的关系, 并给出了根据自加速轨迹分布函数推算艾里光束入射面相位分布的迭代算法, 讨论了艾里光束自修复特性的形成原理。利用液晶空间光调制器调制准直激光束实验生成了二维艾里光束, 并对其无衍射、自加速、自修复等特性进行了验证。此外还通过对一维艾里光束的调控实验生成了自聚焦光束和类贝塞尔光束等新型的光束。
Abstract
The generating process of self-accelerating Airy beams is researched from the viewpoint of geometric optics, and the relationship between the phase distribution on the incident plane and the self-accelerating trajectory of Airy beams is analyzed based on the concept of tangent clusters. A iterated algorithm for calculating the phase distribution of the airy beam incidence surface based on the self-acceleration trajectory distribution function is proposed, and the formation principle of the self-healing property of Airy beams is also discussed. Two-dimensional Airy beams are generated by collimated laser modulated with spatial light modulator, and the features of these beams such as non-diffraction, self-healing and self-accelerating are verified. In addition, the one-dimensional Airy beams are modulated to generate autofocusing beams and Bessel-like beams.

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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