中国科学院长春光学精密机械与物理研究所

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	Topologically optimized concentric-nanoring metalens with 1 mm diameter, 0.8 NA and 600 nm imaging resolution in the visible
	Z. Jin; Y. Lin; C. Wang; Y. Han; B. Li; J. Zhang; X. Zhang; P. Jia; Y. Hu; Q. Liu; H. Duan; J. G. Korvink; Y. Li; H. Jiang and Y. Deng
	2023
发表期刊	Optics Express
ISSN	10944087
卷号	31期号:6页码:10489-10499
摘要	Metalenses can achieve diffraction-limited focusing via localized phase modification of the incoming light beam. However, the current metalenses face to the restrictions on simultaneously achieving large diameter, large numerical aperture, broad working bandwidth and the structure manufacturability. Herein, we present a kind of metalenses composed of concentric nanorings that can address these restrictions using topology optimization approach. Compared to existing inverse design approaches, the computational cost of our optimization method is greatly reduced for large-size metalenses. With its design flexibility, the achieved metalens can work in the whole visible range with millimeter size and a numerical aperture of 0.8 without involving high-aspect ratio structures and large refractive index materials. Electron-beam resist PMMA with a low refractive index is directly used as the material of the metalens, enabling a much more simplified manufacturing process. Experimental results show that the imaging performance of the fabricated metalens has a resolution better than 600 nm corresponding to the measured FWHM of 745 nm. © 2023 Optica Publishing Group under the terms of the Optica Open Access Publishing Agreement.
DOI	10.1364/OE.478680
URL	查看原文
收录类别	sci ; ei
引用统计
文献类型	期刊论文
条目标识符	http://ir.ciomp.ac.cn/handle/181722/67573
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	Z. Jin,Y. Lin,C. Wang,et al. Topologically optimized concentric-nanoring metalens with 1 mm diameter, 0.8 NA and 600 nm imaging resolution in the visible[J]. Optics Express,2023,31(6):10489-10499.
APA	Z. Jin.,Y. Lin.,C. Wang.,Y. Han.,B. Li.,...&H. Jiang and Y. Deng.(2023).Topologically optimized concentric-nanoring metalens with 1 mm diameter, 0.8 NA and 600 nm imaging resolution in the visible.Optics Express,31(6),10489-10499.
MLA	Z. Jin,et al."Topologically optimized concentric-nanoring metalens with 1 mm diameter, 0.8 NA and 600 nm imaging resolution in the visible".Optics Express 31.6(2023):10489-10499.

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