Near-field Moiré effect mediated by surface plasmon polariton excitation

Zhaowei Liu; Stéphane Durant; Hyesog Lee; Yi Xiong; Yuri Pikus; Cheng Sun; Xiang Zhang

doi:10.1364/OL.32.000629

Near-field Moiré effect mediated by surface plasmon polariton excitation

Zhaowei Liu^*, Stéphane Durant, Hyesog Lee, Yi Xiong, Yuri Pikus, Cheng Sun, Xiang Zhang

^*Corresponding author for this work

Mechanical Engineering

Research output: Contribution to journal › Article › peer-review

33 Scopus citations

Abstract

We have demonstrated a surface plasmon polariton mediated optical Moiré effect by inserting a silver slab between two subwavelength gratings. Enhancement of the evanescent fields by the surface plasmon excitations on the silver slab leads to a remarkable contrast improvement in the Moiré fringes from two subwavelength gratings. Numerical calculations, which agree very well with the experimental observation of evanescent-wave Moiré fringes, elucidate the crucial role of the surface plasmon polaritons. The near-field Moiré effect has potential applications to extend the existing Moiré techniques to subwavelength characterization of nanostructures.

Original language	English (US)
Pages (from-to)	629-631
Number of pages	3
Journal	Optics Letters
Volume	32
Issue number	6
DOIs	https://doi.org/10.1364/OL.32.000629
State	Published - Mar 15 2007

ASJC Scopus subject areas

Atomic and Molecular Physics, and Optics

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title = "Near-field Moir{\'e} effect mediated by surface plasmon polariton excitation",

abstract = "We have demonstrated a surface plasmon polariton mediated optical Moir{\'e} effect by inserting a silver slab between two subwavelength gratings. Enhancement of the evanescent fields by the surface plasmon excitations on the silver slab leads to a remarkable contrast improvement in the Moir{\'e} fringes from two subwavelength gratings. Numerical calculations, which agree very well with the experimental observation of evanescent-wave Moir{\'e} fringes, elucidate the crucial role of the surface plasmon polaritons. The near-field Moir{\'e} effect has potential applications to extend the existing Moir{\'e} techniques to subwavelength characterization of nanostructures.",

author = "Zhaowei Liu and St{\'e}phane Durant and Hyesog Lee and Yi Xiong and Yuri Pikus and Cheng Sun and Xiang Zhang",

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doi = "10.1364/OL.32.000629",

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T1 - Near-field Moiré effect mediated by surface plasmon polariton excitation

AU - Liu, Zhaowei

AU - Durant, Stéphane

AU - Lee, Hyesog

AU - Xiong, Yi

AU - Pikus, Yuri

AU - Sun, Cheng

AU - Zhang, Xiang

PY - 2007/3/15

Y1 - 2007/3/15

N2 - We have demonstrated a surface plasmon polariton mediated optical Moiré effect by inserting a silver slab between two subwavelength gratings. Enhancement of the evanescent fields by the surface plasmon excitations on the silver slab leads to a remarkable contrast improvement in the Moiré fringes from two subwavelength gratings. Numerical calculations, which agree very well with the experimental observation of evanescent-wave Moiré fringes, elucidate the crucial role of the surface plasmon polaritons. The near-field Moiré effect has potential applications to extend the existing Moiré techniques to subwavelength characterization of nanostructures.

AB - We have demonstrated a surface plasmon polariton mediated optical Moiré effect by inserting a silver slab between two subwavelength gratings. Enhancement of the evanescent fields by the surface plasmon excitations on the silver slab leads to a remarkable contrast improvement in the Moiré fringes from two subwavelength gratings. Numerical calculations, which agree very well with the experimental observation of evanescent-wave Moiré fringes, elucidate the crucial role of the surface plasmon polaritons. The near-field Moiré effect has potential applications to extend the existing Moiré techniques to subwavelength characterization of nanostructures.

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SP - 629

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JO - Optics Letters

JF - Optics Letters

IS - 6

ER -

Near-field Moiré effect mediated by surface plasmon polariton excitation

Abstract

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