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Please use this identifier to cite or link to this item: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/47401

Title: Near-field dynamic study of the nanoacoustic effect on the extraordinary transmission in gold nanogratings
Authors: Chi-Kuang Sun
Szu-Chi Yang
Hung-Pin Chen
Hui-Hsin Hsiao
Pei-Kuen Wei
Hung-Chun Chang
Contributors: 國立臺灣海洋大學:光電科學研究所
Date: 2012-07
Issue Date: 2018-07-18T03:35:41Z
Abstract: Abstract: In this paper we report that nanoacoustic pulses can modulate the
extraordinary optical transmission (EOT) in nanogratings with a high
frequency bandwidth. This study was performed on gold nanogratings on
top of a GaN crystal by combining a near-field scanning optical microscope
with a femtosecond nanoultrasonic system. Experimental results indicate
that the propagating longitudinal nanoacoustic pulses changed the refractive
index of a GaN crystal and therefore modulated the near-field cavity mode
behavior. Our finding suggests that the temporal modulation with a
>11GHz bandwidth can be achieved, with a high potential for future
temporal and high speed control on the EOT behavior in nanostructures.
Relation: 20(15)
URI: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/47401
Appears in Collections:[光電科學研究所] 期刊論文

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