Dielectric metalens for miniaturized imaging systems: progress and challenges

Meiyan Pan; Yifei Fu; Mengjie Zheng; Hao Chen; Yujia Zang; Huigao Duan; Qiang Li; Min Qiu; Yueqiang Hu

doi:10.1038/s41377-022-00885-7

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Dielectric metalens for miniaturized imaging systems: progress and challenges

Reviews

- Dielectric metalens for miniaturized imaging systems: progress and challenges
- Light: Science & Applications Vol. 11, Issue 8, Pages: 1686-1717(2022)
- Affiliations：
  
  1.Jihua Laboratory, Foshan, 528200, China
  2.College of Mechanical and Vehicle Engineering, Hunan University, Changsha, 410082, China
  3.Greater Bay Area Institute for Innovation, Hunan University, Guangzhou, 511300, Guangdong Province, China
  4.State Key Laboratory of Modern Optical Instrumentation, College of Optical Science and Engineering, Zhejiang University, Hangzhou, 310027, China
  5.Key Laboratory of 3D Micro/Nano Fabrication and Characterization of Zhejiang Province, School of Engineering, Westlake University, 18 Shilongshan Road, Hangzhou, 310024, China
  6.Institute of Advanced Technology, Westlake Institute for Advanced Study, 18 Shilongshan Road, Hangzhou, 310024, China
- Author bio：
  
  Meiyan Pan (panmy@jihualab.ac.cn)
  Yueqiang Hu (huyq@hnu.edu.cn)
- Funds：
- DOI：10.1038/s41377-022-00885-7
  CLC：
- Published：31 August 2022，
  
  Published Online：28 June 2022，
  
  Received：21 February 2022，
  
  Revised：03 June 2022，
  
  Accepted：10 June 2022
- Accepted：
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Pan, M. Y. et al. Dielectric metalens for miniaturized imaging systems: progress and challenges. Light: Science & Applications, 11, 1686-1717 (2022).
DOI：

Pan, M. Y. et al. Dielectric metalens for miniaturized imaging systems: progress and challenges. Light: Science & Applications, 11, 1686-1717 (2022). DOI： 10.1038/s41377-022-00885-7.

摘要

Abstract

Lightweight

miniaturized optical imaging systems are vastly anticipated in these fields of aerospace exploration

industrial vision

consumer electronics

and medical imaging. However

conventional optical techniques are intricate to downscale as refractive lenses mostly rely on phase accumulation. Metalens

composed of subwavelength nanostructures that locally control light waves

offers a disruptive path for small-scale imaging systems. Recent advances in the design and nanofabrication of dielectric metalenses have led to some high-performance practical optical systems. This review outlines the exciting developments in the aforementioned area whilst highlighting the challenges of using dielectric metalenses to replace conventional optics in miniature optical systems. After a brief introduction to the fundamental physics of dielectric metalenses

the progress and challenges in terms of the typical performances are introduced. The supplementary discussion on the common challenges hindering further development is also presented

including the limitations of the conventional design methods

difficulties in scaling up

and device integration. Furthermore

the potential approaches to address the existing challenges are also deliberated.

关键词

Keywords

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