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Opt Express. 2011 Aug 29;19(18):16809-20. doi: 10.1364/OE.19.016809.

Subwavelength image manipulation through an oblique layered system.

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  • 1Department of Physics, Southeast University, Nanjing, China.

Abstract

We show in this work an oblique layered system that is capable of manipulating two dimensional subwavelength images. Through properly designed planar layered system, we demonstrate analytically that lateral image shift could be achieved with subwavelength resolution, due to the asymmetry of the dispersion curve of constant frequency. Further, image rotation with arbitrary angle, as well as image magnification could be generated through a concentric geometry of the alternating layered system. In addition, we verify the image mechanism using full wave electromagnetic (EM) simulations. Utilizing the proposed layered system, optical image of an object with subwavelength features can be projected allowing for further optical processing of the image by conventional optics.

PMID:
21935042
[PubMed]
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