Extraordinary mid-infrared transmission of subwavelength holes in gold films

Weisheng Yue; Zhihong Wang; Yang Yang; Longqing Chen; Ahad A. Syed; Xianbin Wang

doi:10.1166/jnn.2014.8563

Extraordinary mid-infrared transmission of subwavelength holes in gold films

Weisheng Yue, Zhihong Wang, Yang Yang, Longqing Chen, Ahad A. Syed, Xianbin Wang

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

Abstract

Gold (Au) nanoholes are fabricated with electron-beam lithography and used for the investigation of extraordinary transmission in mid-infrared regime. Transmission properties of the nanoholes are studied as the dependence on hole-size. Transmittance spectra are characterized by Fourier transform infrared spectroscopy (FTIR) and enhanced transmittance through the subwavelength holes is observed. The transmission spectra exhibit well-defined maximum and minimum of which the position are determined by the lattice of the hole array. The hole-size primarily influence the transmission intensity and bandwidth of the resonance peak. With an increase of hole-size, while keep lattice constant fixed, the intensity of the resonance peak and the bandwidth increases, which are due to the localized surface plasmons. Numerical simulation for the transmission through the subwavelength holes is performed and the simulated results agree with the experimental observations. Copyright © 2014 American Scientific Publishers.

Original language	English (US)
Pages (from-to)	3017-3021
Number of pages	5
Journal	Journal of Nanoscience and Nanotechnology
Volume	14
Issue number	4
DOIs	https://doi.org/10.1166/jnn.2014.8563
State	Published - Apr 1 2014

Bibliographical note

KAUST Repository Item: Exported on 2020-10-01

ASJC Scopus subject areas

Biomedical Engineering
Bioengineering
General Materials Science
General Chemistry
Condensed Matter Physics

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10.1166/jnn.2014.8563

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title = "Extraordinary mid-infrared transmission of subwavelength holes in gold films",

abstract = "Gold (Au) nanoholes are fabricated with electron-beam lithography and used for the investigation of extraordinary transmission in mid-infrared regime. Transmission properties of the nanoholes are studied as the dependence on hole-size. Transmittance spectra are characterized by Fourier transform infrared spectroscopy (FTIR) and enhanced transmittance through the subwavelength holes is observed. The transmission spectra exhibit well-defined maximum and minimum of which the position are determined by the lattice of the hole array. The hole-size primarily influence the transmission intensity and bandwidth of the resonance peak. With an increase of hole-size, while keep lattice constant fixed, the intensity of the resonance peak and the bandwidth increases, which are due to the localized surface plasmons. Numerical simulation for the transmission through the subwavelength holes is performed and the simulated results agree with the experimental observations. Copyright {\textcopyright} 2014 American Scientific Publishers.",

author = "Weisheng Yue and Zhihong Wang and Yang Yang and Longqing Chen and Syed, {Ahad A.} and Xianbin Wang",

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AU - Yue, Weisheng

AU - Wang, Zhihong

AU - Yang, Yang

AU - Chen, Longqing

AU - Syed, Ahad A.

AU - Wang, Xianbin

N1 - KAUST Repository Item: Exported on 2020-10-01

PY - 2014/4/1

Y1 - 2014/4/1

N2 - Gold (Au) nanoholes are fabricated with electron-beam lithography and used for the investigation of extraordinary transmission in mid-infrared regime. Transmission properties of the nanoholes are studied as the dependence on hole-size. Transmittance spectra are characterized by Fourier transform infrared spectroscopy (FTIR) and enhanced transmittance through the subwavelength holes is observed. The transmission spectra exhibit well-defined maximum and minimum of which the position are determined by the lattice of the hole array. The hole-size primarily influence the transmission intensity and bandwidth of the resonance peak. With an increase of hole-size, while keep lattice constant fixed, the intensity of the resonance peak and the bandwidth increases, which are due to the localized surface plasmons. Numerical simulation for the transmission through the subwavelength holes is performed and the simulated results agree with the experimental observations. Copyright © 2014 American Scientific Publishers.

AB - Gold (Au) nanoholes are fabricated with electron-beam lithography and used for the investigation of extraordinary transmission in mid-infrared regime. Transmission properties of the nanoholes are studied as the dependence on hole-size. Transmittance spectra are characterized by Fourier transform infrared spectroscopy (FTIR) and enhanced transmittance through the subwavelength holes is observed. The transmission spectra exhibit well-defined maximum and minimum of which the position are determined by the lattice of the hole array. The hole-size primarily influence the transmission intensity and bandwidth of the resonance peak. With an increase of hole-size, while keep lattice constant fixed, the intensity of the resonance peak and the bandwidth increases, which are due to the localized surface plasmons. Numerical simulation for the transmission through the subwavelength holes is performed and the simulated results agree with the experimental observations. Copyright © 2014 American Scientific Publishers.

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DO - 10.1166/jnn.2014.8563

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JO - Journal of Nanoscience and Nanotechnology

JF - Journal of Nanoscience and Nanotechnology

IS - 4

ER -

Extraordinary mid-infrared transmission of subwavelength holes in gold films

Abstract

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