Multiple bottle beams based on metasurface optical field modulation and their capture of multiple atoms

doi:10.1088/1674-1056/ac4e06

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	Multiple bottle beams based on metasurface optical field modulation and their capture of multiple atoms
	X. C. Zhang; W. S. Fu; J. G. Lv; C. Zhang; X. Zhao; W. Y. Li and H. Zhang
	2022
发表期刊	Chinese Physics B
ISSN	1674-1056
卷号	31 期号:8 页码:8
摘要	Compared to conventional devices, metasurfaces offer the advantages of being lightweight, with planarization and tuning flexibility. This provides a new way to integrate and miniaturize optical systems. In this paper, a metasurface capable of generating multiple bottle beams was designed. Based on the Pancharatnam-Berry (P-B) phase principle, the metasurface lens can accurately control the wavefront by adjusting the aspect ratio of the titanium dioxide nanopillars and the rotation angle. When irradiated by left-handed circularly polarized light with a wavelength of 632.8 nm, the optical system can produce multiple micron bottle beams. Taking two bottle beams as examples, the longitudinal full widths at half-maximum of the optical tweezers can reach 0.85 mu m and 1.12 mu m, respectively, and the transverse full widths at half-maximum can reach 0.46 mu m and 0.6 mu m. Also, the number of generated bottle beams can be varied by controlling the size of the annular obstacle. By changing the x-component of the unit rotation angle, the metasurface can also change the shape of the bottle beam - the beam cross-section can be changed from circular to elliptical. This paper also analyzes the trapping of ytterbium atoms by the multi bottle beam acting as optical tweezers. It is found that the multi bottle beam can cool and trap multiple ytterbium atoms.
DOI	10.1088/1674-1056/ac4e06
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收录类别	sci ; ei
语种	英语
引用统计
文献类型	期刊论文
条目标识符	http://ir.ciomp.ac.cn/handle/181722/66881
专题	中国科学院长春光学精密机械与物理研究所
推荐引用方式 GB/T 7714	X. C. Zhang,W. S. Fu,J. G. Lv,et al. Multiple bottle beams based on metasurface optical field modulation and their capture of multiple atoms[J]. Chinese Physics B,2022,31(8):8.
APA	X. C. Zhang,W. S. Fu,J. G. Lv,C. Zhang,X. Zhao,&W. Y. Li and H. Zhang.(2022).Multiple bottle beams based on metasurface optical field modulation and their capture of multiple atoms.Chinese Physics B,31(8),8.
MLA	X. C. Zhang,et al."Multiple bottle beams based on metasurface optical field modulation and their capture of multiple atoms".Chinese Physics B 31.8(2022):8.

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