Influence of grooves in the electromagnetic transmission of a periodic metallic grating filter

Yanhua Wang; Yuegang Chen; Yan Zhang; Shutian Liu

doi:10.1016/j.optcom.2006.10.017

Influence of grooves in the electromagnetic transmission of a periodic metallic grating filter

Yanhua Wang, Yuegang Chen, Yan Zhang^*, Shutian Liu

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3 引用（Scopus）

摘要

The light transmittance of metal film with periodic slits and grooves structure has been investigated. It was demonstrated that the grooves significantly affect the transmittance of the metal film. The structure excavating two grooves symmetric to the central slit in a cell of a period grating displays a dent in the transmission spectrum comparing with the structure with only one slit in the cell. Deepening the grooves moves the dents to the longer wavelengths in the transmission spectrum. An analytical equation is also provided to approximately locate the dents. The grooves in the grating filter supply the advantage of removing the needless transmission of certain frequency.

源语言	英语
页（从-至）	132-136
页数	5
期刊	Optics Communications
卷	271
期	1
DOI	https://doi.org/10.1016/j.optcom.2006.10.017
出版状态	已出版 - 1 3月 2007
已对外发布	是

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title = "Influence of grooves in the electromagnetic transmission of a periodic metallic grating filter",

abstract = "The light transmittance of metal film with periodic slits and grooves structure has been investigated. It was demonstrated that the grooves significantly affect the transmittance of the metal film. The structure excavating two grooves symmetric to the central slit in a cell of a period grating displays a dent in the transmission spectrum comparing with the structure with only one slit in the cell. Deepening the grooves moves the dents to the longer wavelengths in the transmission spectrum. An analytical equation is also provided to approximately locate the dents. The grooves in the grating filter supply the advantage of removing the needless transmission of certain frequency.",

keywords = "FDTD, Frequency filter, Sub-wavelength gratings",

author = "Yanhua Wang and Yuegang Chen and Yan Zhang and Shutian Liu",

year = "2007",

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T1 - Influence of grooves in the electromagnetic transmission of a periodic metallic grating filter

AU - Wang, Yanhua

AU - Chen, Yuegang

AU - Zhang, Yan

AU - Liu, Shutian

PY - 2007/3/1

Y1 - 2007/3/1

N2 - The light transmittance of metal film with periodic slits and grooves structure has been investigated. It was demonstrated that the grooves significantly affect the transmittance of the metal film. The structure excavating two grooves symmetric to the central slit in a cell of a period grating displays a dent in the transmission spectrum comparing with the structure with only one slit in the cell. Deepening the grooves moves the dents to the longer wavelengths in the transmission spectrum. An analytical equation is also provided to approximately locate the dents. The grooves in the grating filter supply the advantage of removing the needless transmission of certain frequency.

AB - The light transmittance of metal film with periodic slits and grooves structure has been investigated. It was demonstrated that the grooves significantly affect the transmittance of the metal film. The structure excavating two grooves symmetric to the central slit in a cell of a period grating displays a dent in the transmission spectrum comparing with the structure with only one slit in the cell. Deepening the grooves moves the dents to the longer wavelengths in the transmission spectrum. An analytical equation is also provided to approximately locate the dents. The grooves in the grating filter supply the advantage of removing the needless transmission of certain frequency.

KW - FDTD

KW - Frequency filter

KW - Sub-wavelength gratings

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SN - 0030-4018

VL - 271

SP - 132

EP - 136

JO - Optics Communications

JF - Optics Communications

IS - 1

ER -

Influence of grooves in the electromagnetic transmission of a periodic metallic grating filter

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