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Accelerating triangle-like singular beam
Yan, Shaohui1,2; Li, Manman1,2; Zhou, Yuan1,2; Zhang, Yanan1,2; Yao, Baoli1,2
作者部门瞬态光学研究室
2020-12-01
发表期刊JOURNAL OF THE OPTICAL SOCIETY OF AMERICA A-OPTICS IMAGE SCIENCE AND VISION
ISSN1084-7529;1520-8532
卷号37期号:12页码:1965-1970
产权排序1
摘要

We demonstrate a type of singular beam that accelerates along a parabolic trajectory and has a cross-section intensity pattern exhibiting a dark central region surrounded by multiple rings with the innermost (main) ring resembling an equilateral triangle. The key to creating such beams is to replace the standard triangle with a rounded one, made up of six circular arcs connected end to end. The individual input phase mask for each arc can be analytically computed, and the whole input phase mask for the beam is thus obtained by piecing together these individual phases. Furthermore, the continuity of field forces of these triangle-like modes is discrete; that is, an index similar to the topological charge of vortex beams arises. Numerical results show that the energy flow in the beam's cross section circulates around the dark center along the triangle-like main ring, suggesting a possible application in orbiting particles along an irregular path. (C) 2020 Optical Society of America.

DOI10.1364/JOSAA.408431
收录类别SCI
语种英语
WOS记录号WOS:000596504300005
出版者OPTICAL SOC AMER
引用统计
被引频次:1[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.opt.ac.cn/handle/181661/94221
专题瞬态光学研究室
通讯作者Yan, Shaohui
作者单位1.Chinese Acad Sci, Xian Inst Opt & Precis Mech, State Key Lab Transient Opt & Photon, Xian 710119, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
推荐引用方式
GB/T 7714
Yan, Shaohui,Li, Manman,Zhou, Yuan,et al. Accelerating triangle-like singular beam[J]. JOURNAL OF THE OPTICAL SOCIETY OF AMERICA A-OPTICS IMAGE SCIENCE AND VISION,2020,37(12):1965-1970.
APA Yan, Shaohui,Li, Manman,Zhou, Yuan,Zhang, Yanan,&Yao, Baoli.(2020).Accelerating triangle-like singular beam.JOURNAL OF THE OPTICAL SOCIETY OF AMERICA A-OPTICS IMAGE SCIENCE AND VISION,37(12),1965-1970.
MLA Yan, Shaohui,et al."Accelerating triangle-like singular beam".JOURNAL OF THE OPTICAL SOCIETY OF AMERICA A-OPTICS IMAGE SCIENCE AND VISION 37.12(2020):1965-1970.
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