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A study on the spectral characteristics of Au nanoantennas

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5 Author(s)
Huang, Ludan ; Dept. of Phys., Univ. of Washington, Seattle, WA, USA ; Deryckx, K. ; Jones, A.C. ; Raschke, M.B.
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We fabricate Au bowtie nanoantennas by electron beam lithography and study their spectral characteristics using polarization-resolved dark field scattering spectroscopy. A single particle dipole resonance at ~600 nm and a dimer interaction resonance peak at ~790 nm are observed. The relative strength of the ~790 nm resonance increases with decreasing distance between comprising antenna arms while the spectral position stays rather constant, suggesting potential applications when integrated with NEMS actuators. A comparison between our experimental findings and prior work is made and discussed.

Published in:

Optical MEMS and Nanophotonics, 2009 IEEE/LEOS International Conference on

Date of Conference:

17-20 Aug. 2009