Elliptical nanohole array in thin gold film as micrometer sized optical filter set for fluorescent-labelled assays

In this paper, we study the polarisation properties of light transmitted through an array of elliptical nanoholes patterned in a thin gold film. The light transmitted through the sample strongly depends on the polarization of the excitation light and shows two distinct peaks, separated by 65 nm. The...

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Bibliographic Details
Published in:Journal of physics. Conference series 2011-08, Vol.307 (1), p.12006-8
Main Authors: Lovera, P, Jones, D, O'Riordan, A
Format: Article
Language:English
Subjects:
Arrays
Assaying
Devices
Fluorescence
Gold
Micrometers
Nanostructure
Optical filters
Physics
Polarization
Thin films
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Summary:In this paper, we study the polarisation properties of light transmitted through an array of elliptical nanoholes patterned in a thin gold film. The light transmitted through the sample strongly depends on the polarization of the excitation light and shows two distinct peaks, separated by 65 nm. These peaks are related to Rayleigh-Woods anomaly on the Au/glass interface. This type of devices has tremendous potential as micrometer size optical filter set for fluorescent-labelled assays.
ISSN:1742-6596
1742-6588
1742-6596
DOI:10.1088/1742-6596/307/1/012006