Research Papers

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

[+] Author Affiliations
Shuxia Zhang

Henan Polytechnic University, School of Physics and Chemistry, Jiaozuo 454000, China

Shuai Liu

Henan Polytechnic University, School of Materials Science and Engineering, Jiaozuo 454000, China

Xuefeng Yang

Henan Polytechnic University, School of Physics and Chemistry, Jiaozuo 454000, China

Changtao Wang, Xiangang Luo

Chinese Academy of Science, Institute of Optics and Electronics, State Key Laboratory of Optical Technologies on Nano-Fabrication and Micro-Engineering, P.O. Box 350, Chengdu 610209, China

J. Nanophoton. 7(1), 073080 (Oct 17, 2013). doi:10.1117/1.JNP.7.073080
History: Received July 23, 2013; Revised September 26, 2013; Accepted October 2, 2013
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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.

Figures in this Article
© 2013 Society of Photo-Optical Instrumentation Engineers

Topics

Metals ; Near field

Citation

Shuxia Zhang ; Shuai Liu ; Xuefeng Yang ; Changtao Wang and Xiangang Luo
"Near-field Moiré effect with dielectric–metal–dielectric sandwich structure", J. Nanophoton. 7(1), 073080 (Oct 17, 2013). ; http://dx.doi.org/10.1117/1.JNP.7.073080


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Low-Loss Plasmonic Dielectric Nanoresonators. Nano Lett 2017;17(5):3238-3245.
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