Autofocusing Pearcey-like vortex beam along a parabolic trajectory. (April 2021)

• Record Type: Journal Article
• Authors: Wu, You; He, Shangling; Wu, Jinhong; Lin, Zejia; Chen, Libang; Qiu, Huixin; Liu, Yujun; Hong, Shihan; Chen, Kaihui; Fu, Xinming; Xu, Chuangjie; He, Yingji; Deng, Dongmei
• Is Part Of: Chaos, solitons and fractals. Volume 145(2021)
• Publication Date: 2021-04
• Subjects: Autofocusing beam -- Predesigned trajectory -- Optical bottle; Chaotic behavior in systems -- Periodicals; Solitons -- Periodicals; Fractals -- Periodicals; Chaotic behavior in systems; Fractals; Solitons; Periodicals; 003.7
• DOI: 10.1016/j.chaos.2021.110781
• Languages: English
• ISSNs: 0960-0779

Abstract

Highlights: It forms a bending optical bottle and an off-axis focus. Through setting appropriate parameters, we can adjust the size of the OB and the focus position. The vortex will be guided along the predesigned parabolic trajectory. Abstract: A new type of Pearcey-like vortex beam, generated by the appropriate phase modulation of the optical wavefront, which propagates along a predesigned parabolic trajectory in the free space, is presented. This kind of beam forms several oval closed rings with uneven intensity and focuses along the trajectory. It forms a bending optical bottle (OB) and an off-axis focus. Through setting appropriate parameters, we can adjust the size of the OB and the focus position. Besides, the self-healing property outlines the antijam of the beam. This beam can be appropriately utilized on the optical trapping and the laser energy focusing in a certain degree.