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Sub-wavelength focusing based on all-dielectric polarization-independent metalens
Zhao, Wei1,2; Li, Xingyi1,3; Li, Siqi1,3; Ge, Zhiqiang1,3; Liu, Mulong1,3; Li, Zhongyu1,3; Du, Shujian1,3
作者部门瞬态光学技术国家重点实验室
2018-11-20
发表期刊INTERNATIONAL JOURNAL OF MODERN PHYSICS B
ISSN0217-9792;1793-6578
卷号32期号:29
产权排序1
摘要

We have proposed an all-dielectric polarization-independent metalens, which can be used for sub-wavelength focusing. The phase discontinuity of transmission light is produced by varying the diameter of the nanopillar. In this way, the incident light can be focused into sub-wavelength spot. Besides, finite-difference time-domain results show that near diffraction limit focusing is realized for the wavelength from 580 nm to 750 nm, which means the proposed metalens possesses a broad operation bandwidth. This all-dielectric metalens features polarization independent and broad bandwidth, and thus promises great potential for the applications of nanolithography, dense storage and biophotonics.

关键词Lenses Metamaterials Polarization
DOI10.1142/S0217979218503216
收录类别SCI
语种英语
WOS记录号WOS:000451225000004
出版者WORLD SCIENTIFIC PUBL CO PTE LTD
引用统计
文献类型期刊论文
条目标识符http://ir.opt.ac.cn/handle/181661/30742
专题瞬态光学技术国家重点实验室
通讯作者Li, Xingyi
作者单位1.Chinese Acad Sci, XIOPM, State Key Lab Transient Opt & Photon, Xian 710119, Shaanxi, Peoples R China
2.Shaanxi Normal Univ, Coll Phys & Informat Technol, Xian 710119, Shanxi, Peoples R China
3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
推荐引用方式
GB/T 7714
Zhao, Wei,Li, Xingyi,Li, Siqi,et al. Sub-wavelength focusing based on all-dielectric polarization-independent metalens[J]. INTERNATIONAL JOURNAL OF MODERN PHYSICS B,2018,32(29).
APA Zhao, Wei.,Li, Xingyi.,Li, Siqi.,Ge, Zhiqiang.,Liu, Mulong.,...&Du, Shujian.(2018).Sub-wavelength focusing based on all-dielectric polarization-independent metalens.INTERNATIONAL JOURNAL OF MODERN PHYSICS B,32(29).
MLA Zhao, Wei,et al."Sub-wavelength focusing based on all-dielectric polarization-independent metalens".INTERNATIONAL JOURNAL OF MODERN PHYSICS B 32.29(2018).
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