Creation of an anti-imaging system using binary optics

Journal article (2016)

Authors

Haifeng Wang University of Shanghai for Science and Technology
Jian Lin University of Shanghai for Science and Technology
Dawei Zhang University of Shanghai for Science and Technology
Yang Wang Chinese Academy of Sciences
Min Gu Royal Melbourne Institute of Technology University
Paul Urbach ImPhys/Optics - AS
Fuxi Gan Chinese Academy of Sciences
Songlin Zhuang University of Shanghai for Science and Technology
Research Group
ImPhys/Optics (AS) (TU Delft)
Copyright: © 2016 Haifeng Wang, Jian Lin, Dawei Zhang, Yang Wang, Min Gu, Paul Urbach, Fuxi Gan, Songlin Zhuang
DOI: https://doi.org/10.1038/srep33064
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Published Date

13-09-2016

Language

English

Faculty

Applied Sciences

Department

ImPhys/Imaging Physics

Research Group

ImPhys/Optics

Abstract

We present a concealing method in which an anti-point spread function (APSF) is generated using binary optics, which produces a large-scale dark area in the focal region that can hide any object located within it. This result is achieved by generating two identical PSFs of opposite signs, one consisting of positive electromagnetic waves from the zero-phase region of the binary optical element and the other consisting of negative electromagnetic waves from the pi-phase region of the binary optical element.