Enhanced extraordinary optical transmission (EOT) through arrays of bridged nanohole pairs and their sensing applications
Type
ArticleAuthors
Yue, WeishengWang, Zhihong
Yang, Yang
Li, Jingqi
Wu, Ying

Chen, Longqing
Ooi, Boon S.

Wang, Xianbin
Zhang, Xixiang

KAUST Department
Advanced Nanofabrication, Imaging and Characterization Core LabApplied Mathematics and Computational Science Program
Computer, Electrical and Mathematical Sciences and Engineering (CEMSE) Division
Core Labs
Electrical Engineering Program
Imaging and Characterization Core Lab
Material Science and Engineering Program
Nanofabrication Core Lab
Photonics Laboratory
Physical Science and Engineering (PSE) Division
Waves in Complex Media Research Group
Date
2014Permanent link to this record
http://hdl.handle.net/10754/563218
Metadata
Show full item recordAbstract
Extraordinary optical transmission (EOT) through arrays of gold nanoholes was studied with light across the visible to the near-infrared spectrum. The EOT effect was found to be improved by bridging pairs of nanoholes due to the concentration of the electromagnetic field in the slit between the holes. The geometrical shape and separation of the holes in these pairs of nanoholes affected the intensity of the transmission and the wavelength of resonance. Changing the geometrical shapes of these nanohole pairs from triangles to circles to squares leads to increased transmission intensity as well as red-shifting resonance wavelengths. The performance of bridged nanohole pairs as a plasmonic sensor was investigated. The bridged nanohole pairs were able to distinguish methanol, olive oil and microscope immersion oil for the different surface plasmon resonance in transmission spectra. Numerical simulation results were in agreement with experimental observations. © 2014 the Partner Organisations.Citation
Yue, W., Wang, Z., Yang, Y., Li, J., Wu, Y., Chen, L., … Zhang, X. (2014). Enhanced extraordinary optical transmission (EOT) through arrays of bridged nanohole pairs and their sensing applications. Nanoscale, 6(14), 7917. doi:10.1039/c4nr01001aPublisher
Royal Society of Chemistry (RSC)Journal
NanoscalePubMed ID
24898441ae974a485f413a2113503eed53cd6c53
10.1039/c4nr01001a
Scopus Count
Collections
Nanofabrication Core Lab; Articles; Imaging and Characterization Core Lab; Applied Mathematics and Computational Science Program; Physical Science and Engineering (PSE) Division; Electrical and Computer Engineering Program; Material Science and Engineering Program; Photonics Laboratory; Computer, Electrical and Mathematical Science and Engineering (CEMSE) DivisionRelated articles
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