Investigating far-field spectra and near-field features of extraordinary optical transmission through periodic U- to H-shaped apertures

Hui Hsin Hsiao; Hao Fu Huang; Si Chen Lee; Hung Chun Chang

doi:10.1109/JPHOT.2012.2188787

Investigating far-field spectra and near-field features of extraordinary optical transmission through periodic U- to H-shaped apertures

Hui Hsin Hsiao, Hao Fu Huang, Si Chen Lee, Hung Chun Chang

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

7 Citations (Scopus)

Abstract

By exploiting the in-house finite-difference time-domain (FDTD) program, the optical properties of a designated 2-D array of U- to H-shaped holes perforated on a metallic film are analyzed. Some specific near-field features are found to be associated with the three mechanisms underlying the transmission spectral profiles, namely, excitation of surface electromagnetic (EM) modes, Wood's anomalies (WAs), and shape resonances (SRs), thus providing a way to reveal the physical nature of the enhanced transmission phenomenon.

Original language	English
Article number	6156512
Pages (from-to)	387-398
Number of pages	12
Journal	IEEE Photonics Journal
Volume	4
Issue number	2
DOIs	https://doi.org/10.1109/JPHOT.2012.2188787
Publication status	Published - 2012
Externally published	Yes

Keywords

apertures
diffraction
infrared
Surface plasmons
Wood's anomalies (WAs)

ASJC Scopus subject areas

Electrical and Electronic Engineering
Atomic and Molecular Physics, and Optics

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10.1109/JPHOT.2012.2188787

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title = "Investigating far-field spectra and near-field features of extraordinary optical transmission through periodic U- to H-shaped apertures",

abstract = "By exploiting the in-house finite-difference time-domain (FDTD) program, the optical properties of a designated 2-D array of U- to H-shaped holes perforated on a metallic film are analyzed. Some specific near-field features are found to be associated with the three mechanisms underlying the transmission spectral profiles, namely, excitation of surface electromagnetic (EM) modes, Wood's anomalies (WAs), and shape resonances (SRs), thus providing a way to reveal the physical nature of the enhanced transmission phenomenon.",

keywords = "apertures, diffraction, infrared, Surface plasmons, Wood's anomalies (WAs)",

author = "Hsiao, {Hui Hsin} and Huang, {Hao Fu} and Lee, {Si Chen} and Chang, {Hung Chun}",

note = "Funding Information: Manuscript received December 24, 2011; revised February 11, 2012; accepted February 15, 2012. Date of publication February 22, 2012; date of current version March 8, 2012. This work was supported in part by the National Science Council of the Republic of China under Grant NSC99-2628-M-002-008 and Grant NSC98-2221-E-002-025-MY2, in part by the Excellent Research Projects of National Taiwan University under Grant 99R80306, and in part by the Ministry of Education of the Republic of China under BThe Aim of Top University Plan[ Grant. Corresponding author: H.-C. Chang (e-mail: hcchang@ cc.ee.ntu.edu.tw).",

year = "2012",

doi = "10.1109/JPHOT.2012.2188787",

language = "English",

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T1 - Investigating far-field spectra and near-field features of extraordinary optical transmission through periodic U- to H-shaped apertures

AU - Hsiao, Hui Hsin

AU - Huang, Hao Fu

AU - Lee, Si Chen

AU - Chang, Hung Chun

N1 - Funding Information: Manuscript received December 24, 2011; revised February 11, 2012; accepted February 15, 2012. Date of publication February 22, 2012; date of current version March 8, 2012. This work was supported in part by the National Science Council of the Republic of China under Grant NSC99-2628-M-002-008 and Grant NSC98-2221-E-002-025-MY2, in part by the Excellent Research Projects of National Taiwan University under Grant 99R80306, and in part by the Ministry of Education of the Republic of China under BThe Aim of Top University Plan[ Grant. Corresponding author: H.-C. Chang (e-mail: hcchang@ cc.ee.ntu.edu.tw).

PY - 2012

Y1 - 2012

N2 - By exploiting the in-house finite-difference time-domain (FDTD) program, the optical properties of a designated 2-D array of U- to H-shaped holes perforated on a metallic film are analyzed. Some specific near-field features are found to be associated with the three mechanisms underlying the transmission spectral profiles, namely, excitation of surface electromagnetic (EM) modes, Wood's anomalies (WAs), and shape resonances (SRs), thus providing a way to reveal the physical nature of the enhanced transmission phenomenon.

AB - By exploiting the in-house finite-difference time-domain (FDTD) program, the optical properties of a designated 2-D array of U- to H-shaped holes perforated on a metallic film are analyzed. Some specific near-field features are found to be associated with the three mechanisms underlying the transmission spectral profiles, namely, excitation of surface electromagnetic (EM) modes, Wood's anomalies (WAs), and shape resonances (SRs), thus providing a way to reveal the physical nature of the enhanced transmission phenomenon.

KW - apertures

KW - diffraction

KW - infrared

KW - Surface plasmons

KW - Wood's anomalies (WAs)

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Investigating far-field spectra and near-field features of extraordinary optical transmission through periodic U- to H-shaped apertures

Abstract

Keywords

ASJC Scopus subject areas

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