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Journal of Nanophotonics

Optical coating on nano-optical antennas to enhance directional radiation
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Paper Abstract

A traditional high-reflection optical coating was applied to enhance the directional radiation of nanoantennas. A highly reflective multilayer upon the top lateral side of a horizontally lying silver nanorod enhances the forward scattering when an optical wave is incident on the bare bottom side of the nanorod. Enhanced forward scattering can thus be observed from a glancing deposited silver nanorod array (NRA). An effective method for coupling the energy of incident light into a NRA involves arranging the NRA in a prism coupling. The highly efficient light coupling effect over a broadband and a wide range of angles results in extra-strong forward light scattering.

Paper Details

Date Published: 24 February 2015
PDF: 11 pages
J. Nanophoton. 9(1) 093595 doi: 10.1117/1.JNP.9.093595
Published in: Journal of Nanophotonics Volume 9, Issue 1
Show Author Affiliations
Yi-Jun Jen, National Taipei Univ. of Technology (Taiwan)
Meng-Jie Lin, National Taipei Univ. of Technology (Taiwan)
Ci-Yao Jheng, National Taipei Univ. of Technology (Taiwan)
Wei-Chih Liu, National Taipei Univ. of Technology (Taiwan)


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