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Diabolo Optical Antenna for Enhancing and Confining Electric Field Resonance

by Mohamed Nadhim Abbas, Hadi K. Shamkhi
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International Journal of Computer Applications
Foundation of Computer Science (FCS), NY, USA
Volume 97 - Number 23
Year of Publication: 2014
Authors: Mohamed Nadhim Abbas, Hadi K. Shamkhi
10.5120/17324-7696

Mohamed Nadhim Abbas, Hadi K. Shamkhi . Diabolo Optical Antenna for Enhancing and Confining Electric Field Resonance. International Journal of Computer Applications. 97, 23 ( July 2014), 29-33. DOI=10.5120/17324-7696

@article{ 10.5120/17324-7696,
author = { Mohamed Nadhim Abbas, Hadi K. Shamkhi },
title = { Diabolo Optical Antenna for Enhancing and Confining Electric Field Resonance },
journal = { International Journal of Computer Applications },
issue_date = { July 2014 },
volume = { 97 },
number = { 23 },
month = { July },
year = { 2014 },
issn = { 0975-8887 },
pages = { 29-33 },
numpages = {9},
url = { https://ijcaonline.org/archives/volume97/number23/17324-7696/ },
doi = { 10.5120/17324-7696 },
publisher = {Foundation of Computer Science (FCS), NY, USA},
address = {New York, USA}
}
%0 Journal Article
%1 2024-02-06T22:24:55.795196+05:30
%A Mohamed Nadhim Abbas
%A Hadi K. Shamkhi
%T Diabolo Optical Antenna for Enhancing and Confining Electric Field Resonance
%J International Journal of Computer Applications
%@ 0975-8887
%V 97
%N 23
%P 29-33
%D 2014
%I Foundation of Computer Science (FCS), NY, USA
Abstract

In this paper, the electric resonance characteristics of narrow waist diabolo shape gold metal bar nanoantenna have been investigated. These metal nanostructures induce surface plasmon polration (SPP) and localized surface plasmon resonance (LSPR) leading to enhance the absorption and the scattering cross sections characteristics of the antenna. Investigation is done using 3D model Finite Element Method (FEM) numerical simulations and dipole oscillator model. From simulation work, it is found that the relationship between the antenna length and the resonance wavelength is approximatly linear. Also, it is found that as the diabolo antenna waist get narrower, the power dissipation decreases and slightly the resonance wavelength shifted to the higher values. The investigation shows that the electric field amplified in the extremities of the diabolo antenna while the magnetic field ?90?^° phase shifted from the electric field and amplified in the waist (middle) of the antenna.

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Index Terms

Computer Science
Information Sciences

Keywords

Plasmonics Surface plasmon polration Localized surface plasmon resonance Dipole oscillator model Absorption cross section Scattering cross section.

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