Topological design approach for quadruple-ridge aperture configuration

Hyundo Shin; Jeonghoon Yoo

doi:10.1109/LPT.2013.2270007

Topological design approach for quadruple-ridge aperture configuration

Hyundo Shin, Jeonghoon Yoo

Department of Mechanical Engineering

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

3 Citations (Scopus)

Abstract

We present a systematic approach for topological design of a high transmission metallic nano-aperture. The layout of the metallic layer is determined by the ON/OFF design method to maximize the norm value of the near-field intensity. Combined with the numerical finite element method, we derive a quadruple-ridge aperture composed of bowtie like shape with adjoining holes, and numerical results show that the location of the holes affects not only the transmission peak intensity, but also the field confinement because of the surface wave reflected from the adjoining holes. Results verify that the ON/OFF method to be a useful tool for obtaining an effective aperture shape.

Original language	English
Article number	6547682
Pages (from-to)	1547-1550
Number of pages	4
Journal	IEEE Photonics Technology Letters
Volume	25
Issue number	16
DOIs	https://doi.org/10.1109/LPT.2013.2270007
Publication status	Published - 2013

All Science Journal Classification (ASJC) codes

Electronic, Optical and Magnetic Materials
Atomic and Molecular Physics, and Optics
Electrical and Electronic Engineering

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AB - We present a systematic approach for topological design of a high transmission metallic nano-aperture. The layout of the metallic layer is determined by the ON/OFF design method to maximize the norm value of the near-field intensity. Combined with the numerical finite element method, we derive a quadruple-ridge aperture composed of bowtie like shape with adjoining holes, and numerical results show that the location of the holes affects not only the transmission peak intensity, but also the field confinement because of the surface wave reflected from the adjoining holes. Results verify that the ON/OFF method to be a useful tool for obtaining an effective aperture shape.

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Topological design approach for quadruple-ridge aperture configuration

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