NDLI: Grating-Vector-Assisted Plasmonic Coupling in a Hexagonally Arranged Silver Island Array

Content Provider	Springer Nature Link
Author	Chiu, Kuo Pin Chang, Yun Chorng Lai, Chiau Yuan Chen, Shih Hsuan Wu, Tsung Jhe Wang, Chung Han Chan, Chia Hua Lo, Kuang Yao
Copyright Year	2015
Abstract	We experimentally and numerically investigated the attenuated total reflection (ATR) spectra of hexagonally periodic structures of discrete silver nano islands array (NIA) and that of continuous silver film with nanohole array (NHA). Some peculiar reflection fine dips in the ATR spectra of the NIA structures were observed. In comparison with the ATR results between NHA and NIA structures as well as carefully analyzing the multiwavelengths numerical ATR spectra of the NIA, we found out the mechanisms leading to the ATR fine dips. They are resulted from the effects of surface plasmon resonances (SPR) and Wood’s anomalies that occur at the silver/air or silver/prism interface with the assistance of two-dimensional reciprocal grating-vectors provided by the NIA. Particularly, our results demonstrated that there are continuous-film-like SPR modes existing in the NIA structures, which can be excited through the coupling between the incident light and the two-dimensional grating-vectors of the NIA.
Starting Page	1049
Ending Page	1056
Page Count	8
File Format	PDF
ISSN	15571955
Journal	Plasmonics
Volume Number	10
Issue Number	5
e-ISSN	15571963
Language	English
Publisher	Springer US
Publisher Date	2015-02-06
Publisher Place	New York
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Surface plasmons Two-dimensional arrays Reflection spectra Reciprocal grating-vector coupling Biotechnology Nanotechnology Biophysics and Biological Physics Biochemistry
Content Type	Text
Resource Type	Article
Subject	Nanoscience and Nanotechnology Biochemistry Biophysics Biotechnology

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