Research Papers

Investigation of maximum optical enhancement in single gold nanowires and triple nanowire arrays

[+] Author Affiliations
Cameron Saylor, Desalegn Debu

University of Arkansas, Department of Physics, Fayetteville, Arkansas 72701, United States

Eric Novak

University of Arkansas, Microelectronics-Photonics Program, Fayetteville, Arkansas 72701, United States

Shippensburg University of Pennsylvania, Department of Physics, Shippensburg, Pennsylvania 17257, United States

Joseph B. Herzog

University of Arkansas, Department of Physics, Fayetteville, Arkansas 72701, United States

University of Arkansas, Microelectronics-Photonics Program, Fayetteville, Arkansas 72701, United States

J. Nanophoton. 9(1), 093053 (Sep 16, 2015). doi:10.1117/1.JNP.9.093053
History: Received June 30, 2015; Accepted August 13, 2015
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Abstract.  This work thoroughly investigates gold nanowires with various cross-sectional geometries and patterns. The study has determined the effect of the cross section aspect ratio on its maximum optical enhancement. The plasmonic optical enhancement properties of single gold nanowires and an array of three nanowires were investigated using finite element method simulations. The results indicate a significant dependence of the optical enhancement on both the thickness and width of the nanowires. From the simulation data, an equation for each geometry (single and triple array) was found that relates the dimensions and incident wavelength to the optical enhancement. These relationships can be a valuable resource while designing nanowires to optimize the dimensions and provide the maximum possible optical enhancement.

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© 2015 Society of Photo-Optical Instrumentation Engineers

Citation

Cameron Saylor ; Eric Novak ; Desalegn Debu and Joseph B. Herzog
"Investigation of maximum optical enhancement in single gold nanowires and triple nanowire arrays", J. Nanophoton. 9(1), 093053 (Sep 16, 2015). ; http://dx.doi.org/10.1117/1.JNP.9.093053


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