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Journal of Nanophotonics

Near-field Moiré effect with dielectric–metal–dielectric sandwich structure
Author(s): Shuxia Zhang; Shuai Liu; Xuefeng Yang; Changtao Wang; Xiangang Luo
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Paper Abstract

The visibility of Moiré fringes is a major feature for their application in optical metrology. With the help of surface plasmon polariton (SPP) waves excited for a metal layer whose permittivity match with that of its dielectric partner, the visibility of Moiré fringes is improved. For a dielectric-metal-dielectric sandwich structure between two subwavelength gratings with the optimum thicknesses of the layers but not appropriately matched permittivity, we found that it is easy to achieve a remarkable enhancement (visibility up to 0.88) of the Moiré fringes facilitated by the excitation of SPP waves.

Paper Details

Date Published: 17 October 2013
PDF: 7 pages
J. Nanophoton. 7(1) 073080 doi: 10.1117/1.JNP.7.073080
Published in: Journal of Nanophotonics Volume 7, Issue 1
Show Author Affiliations
Shuxia Zhang, Henan Polytechnic Univ. (China)
Shuai Liu, Henan Polytechnic Univ. (China)
Xuefeng Yang, Henan Polytechnic Univ. (China)
Changtao Wang, Institute of Optics and Electronics (China)
Xiangang Luo, Institute of Optics and Electronics (China)

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