LOCALIZED SURFACE PLASMONS OF GOLD NANOPARTICLES br

被引：0
|
作者：
Mansoor, R. D. [1 ]
Abed, A. K. [2 ]
Dakhil, T. [3 ]
Al-Khursan, A. H. [4 ]
机构：
[1] Al Muthanna Univ, Coll Engn, Dept Elect & Commun Engn, As Samawah 66002, Iraq
[2] Univ Thi Qar, Coll Engn, Nasiriyah 64002, Iraq
[3] Al Muthanna Univ, As Samawah 66002, Iraq
[4] Univ Thi Qar, Coll Sci, Nanotechnol Res Lab NNRL, Nasiriyah 64002, Iraq
来源：
ST PETERSBURG POLYTECHNIC UNIVERSITY JOURNAL-PHYSICS AND MATHEMATICS | 2022年 / 15卷 / 04期
关键词：
biosensing; extinction cross section; nanoparticle; plasmon; Raman scattering; RESONANCE; NANOSTRUCTURES; SPECTROSCOPY;
D O I：
10.18721/JPM.15407
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
In this paper, gold nanoparticle far-field and near-field optical responses are studied and simulated numerically. The electromagnetic field was excited by an electric dipole near one end of the nanorod, which is used to model the emission of a quantum dot. Another excitation method was also simulated in which an incident plane wave was used. The excitation of dark plasmon modes of the gold nanorod is presented. The Poynting equation was solved numerically to study the influence of the gold nanorod on the dipole radiative power. In ad-dition, the extinction cross section of the gold nanoparticle illuminated by the incident plane wave was calculated to estimate the amount of the scattered and absorbed light
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收藏
页码：95 / 103
页数：9
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