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Broadband Achromatic and Polarization Insensitive Focused Optical Vortex Generator Based on Metasurface Consisting of Anisotropic Nanostructures

文献类型：期刊论文

作者N. T. Song; N. X. Xu; J. S. Gao; X. A. Jiang; D. Z. Shan; Y. Tang; Q. Sun; H. Liu and X. Chen
刊名Frontiers in Physics
出版日期2022
卷号10页码:12
ISSN号2296-424X
DOI10.3389/fphy.2022.846718
英文摘要Optical vortex (OV) beams are ideal carriers for high-capacity optical communication, and long-wave infrared (LWIR) is the ideal wavelength band for long-range optical communication. Here, we propose a method for the achromatic generation of focused optical vortex (FOV) beams with arbitrary homogenous polarization states in the LWIR using a single all-germanium metasurface. The chromatic aberration and polarization sensitivity are eliminated by superimposing a polarization-insensitive geometric phase and a dispersion-engineered dynamic phase. The method is validated using two broadband FOV generators with the same diameter and focal length but different topological charges. The results indicate that the FOV generators are broadband achromatic and polarization insensitive. The proposed method may pave the way for chip-scale optical communication devices.
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语种英语
源URL[http://ir.ciomp.ac.cn/handle/181722/66450]  
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		 N. T. Song,N. X. Xu,J. S. Gao,et al. Broadband Achromatic and Polarization Insensitive Focused Optical Vortex Generator Based on Metasurface Consisting of Anisotropic Nanostructures[J]. Frontiers in Physics,2022,10:12.
APA N. T. Song.,N. X. Xu.,J. S. Gao.,X. A. Jiang.,D. Z. Shan.,...&H. Liu and X. Chen.(2022).Broadband Achromatic and Polarization Insensitive Focused Optical Vortex Generator Based on Metasurface Consisting of Anisotropic Nanostructures.Frontiers in Physics,10,12.
MLA N. T. Song,et al."Broadband Achromatic and Polarization Insensitive Focused Optical Vortex Generator Based on Metasurface Consisting of Anisotropic Nanostructures".Frontiers in Physics 10(2022):12.

入库方式： OAI收割

来源：长春光学精密机械与物理研究所

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