Superoscillation: from physics to optical applications

Gang Chen; Zhong-Quan Wen; Cheng-Wei Qiu

doi:10.1038/s41377-019-0163-9

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Superoscillation: from physics to optical applications

Review Article

- Superoscillation: from physics to optical applications
- Light: Science & Applications Vol. 8, Issue 4, Pages: 471-493(2019)
- Affiliations：
  
  1.College of Optoelectronic Engineering, Chongqing University, 174 Shazheng Street, Chongqing 400044, China
  2.Department of Electrical and Computer Engineering, National University of Singapore, 4 Engineering Drive 3, Singapore 117583, Singapore
- Author bio：
  
  Cheng-Wei Qiu (eleqc@nus.edu.sg)
- Funds：
- DOI：10.1038/s41377-019-0163-9
  CLC：
- Published：2019，
  
  Published Online：12 June 2019，
  
  Received：21 January 2019，
  
  Revised：14 May 2019，
  
  Accepted：21 May 2019
- Accepted：
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Chen, G., Wen, Z. Q. & Qiu, C. W. Superoscillation: from physics to optical applications. Light: Science & Applications, 8, 471-493 (2019).
DOI：

Chen, G., Wen, Z. Q. & Qiu, C. W. Superoscillation: from physics to optical applications. Light: Science & Applications, 8, 471-493 (2019). DOI： 10.1038/s41377-019-0163-9.

摘要

Abstract

The resolution of conventional optical elements and systems has long been perceived to satisfy the classic Rayleigh criterion. Paramount efforts have been made to develop different types of superresolution techniques to achieve optical resolution down to several nanometres

such as by using evanescent waves

fluorescence labelling

and postprocessing. Superresolution imaging techniques

which are noncontact

far field and label free

are highly desirable but challenging to implement. The concept of superoscillation offers an alternative route to optical superresolution and enables the engineering of focal spots and point-spread functions of arbitrarily small size without theoretical limitations. This paper reviews recent developments in optical superoscillation technologies

design approaches

methods of characterizing superoscillatory optical fields

and applications in noncontact

far-field and label-free superresolution microscopy. This work may promote the wider adoption and application of optical superresolution across different wave types and application domains.

关键词

Keywords

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