Angle-independent infrared filter assisted by localized surface plasmon polariton

C.M. Wang; Y.C. Chang; M.W. Tsai; Y.H. Ye; C.Y. Chen; Y.W. Jiang; S.C. Lee; Din-ping Tsai

doi:10.1109/LPT.2008.924320

Angle-independent infrared filter assisted by localized surface plasmon polariton

C.M. Wang, Y.C. Chang, M.W. Tsai, Y.H. Ye, C.Y. Chen, Y.W. Jiang, S.C. Lee, Din-ping Tsai

Research output: Journal article publication › Journal article › Academic research › peer-review

35 Citations (Scopus)

Abstract

A plasmonic infrared (IR) filter was experimentally and theoretically investigated. A localized surface plasmon polariton (LSPP) mode which was angle-independent in almost fully incident angle was observed. Through the use of the LSPP mode, an IR reflection-type notch filter with an ultrahigh immunity for the angular deviation was realized. An angle-independent reflection dip was designed at ? = 6.2 ?m with a full-width at half-maximum of 0.5 ?m. The experimental result shows that the position and the line shape of the resonant dip at ? = 6.2 ?m remain the same for an increasing incident angle from 20° to 60°. The optical properties can be engineered by tuning thickness of the cavity layer. The proposed notch filter presents a large angular tolerance means that the superior angular stability makes it more feasible as it is put into practical applications. © 2008 IEEE.

Original language	English
Pages (from-to)	1103-1105
Number of pages	3
Journal	IEEE Photonics Technology Letters
Volume	20
Issue number	13
DOIs	https://doi.org/10.1109/LPT.2008.924320
Publication status	Published - 1 Jul 2008
Externally published	Yes

Keywords

Filters
Plasmonics

ASJC Scopus subject areas

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

More information

10.1109/LPT.2008.924320

Cite this

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title = "Angle-independent infrared filter assisted by localized surface plasmon polariton",

abstract = "A plasmonic infrared (IR) filter was experimentally and theoretically investigated. A localized surface plasmon polariton (LSPP) mode which was angle-independent in almost fully incident angle was observed. Through the use of the LSPP mode, an IR reflection-type notch filter with an ultrahigh immunity for the angular deviation was realized. An angle-independent reflection dip was designed at ? = 6.2 ?m with a full-width at half-maximum of 0.5 ?m. The experimental result shows that the position and the line shape of the resonant dip at ? = 6.2 ?m remain the same for an increasing incident angle from 20° to 60°. The optical properties can be engineered by tuning thickness of the cavity layer. The proposed notch filter presents a large angular tolerance means that the superior angular stability makes it more feasible as it is put into practical applications. {\textcopyright} 2008 IEEE.",

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AU - Wang, C.M.

AU - Chang, Y.C.

AU - Tsai, M.W.

AU - Ye, Y.H.

AU - Chen, C.Y.

AU - Jiang, Y.W.

AU - Lee, S.C.

AU - Tsai, Din-ping

PY - 2008/7/1

Y1 - 2008/7/1

N2 - A plasmonic infrared (IR) filter was experimentally and theoretically investigated. A localized surface plasmon polariton (LSPP) mode which was angle-independent in almost fully incident angle was observed. Through the use of the LSPP mode, an IR reflection-type notch filter with an ultrahigh immunity for the angular deviation was realized. An angle-independent reflection dip was designed at ? = 6.2 ?m with a full-width at half-maximum of 0.5 ?m. The experimental result shows that the position and the line shape of the resonant dip at ? = 6.2 ?m remain the same for an increasing incident angle from 20° to 60°. The optical properties can be engineered by tuning thickness of the cavity layer. The proposed notch filter presents a large angular tolerance means that the superior angular stability makes it more feasible as it is put into practical applications. © 2008 IEEE.

AB - A plasmonic infrared (IR) filter was experimentally and theoretically investigated. A localized surface plasmon polariton (LSPP) mode which was angle-independent in almost fully incident angle was observed. Through the use of the LSPP mode, an IR reflection-type notch filter with an ultrahigh immunity for the angular deviation was realized. An angle-independent reflection dip was designed at ? = 6.2 ?m with a full-width at half-maximum of 0.5 ?m. The experimental result shows that the position and the line shape of the resonant dip at ? = 6.2 ?m remain the same for an increasing incident angle from 20° to 60°. The optical properties can be engineered by tuning thickness of the cavity layer. The proposed notch filter presents a large angular tolerance means that the superior angular stability makes it more feasible as it is put into practical applications. © 2008 IEEE.

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KW - Plasmonics

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DO - 10.1109/LPT.2008.924320

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VL - 20

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EP - 1105

JO - IEEE Photonics Technology Letters

JF - IEEE Photonics Technology Letters

IS - 13

ER -

Angle-independent infrared filter assisted by localized surface plasmon polariton

Abstract

Keywords

ASJC Scopus subject areas

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