Creation of an anti-imaging system using binary optics
SCIENTIFIC REPORTS(2016)
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.
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Key words
Imaging and sensing,Optical manipulation and tweezers,Terahertz optics,Transformation optics,Science,Humanities and Social Sciences,multidisciplinary
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