Near-field Moiré effect with dielectric–metal–dielectric sandwich structure

Shuxia Zhang; Shuai Liu; Xuefeng Yang; Changtao Wang; Xiangang Luo

doi:10.1117/1.JNP.7.073080

17 October 2013 Near-field Moiré effect with dielectric–metal–dielectric sandwich structure

Shuxia Zhang, Shuai Liu, Xuefeng Yang, Changtao Wang, Xiangang Luo

Author Affiliations +

Journal of Nanophotonics, Vol. 7, Issue 1, 073080 (October 2013). https://doi.org/10.1117/1.JNP.7.073080

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.

Citation Download Citation

Shuxia Zhang, Shuai Liu, Xuefeng Yang, Changtao Wang, and Xiangang Luo "Near-field Moiré effect with dielectric–metal–dielectric sandwich structure," Journal of Nanophotonics 7(1), 073080 (17 October 2013). https://doi.org/10.1117/1.JNP.7.073080

Published: 17 October 2013

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