Effective Medium Approach for Investigation of Optical Properties of Nanocomposites with Plasmonic Nanoparticles

被引：0
|
作者：
Varlamov, P. [1 ]
Andreeva, Y. [1 ]
Sergeev, M. [1 ]
Vocanson, F. [2 ]
Itina, T. [1 ,2 ]
机构：
[1] ITMO Univ, Laser Photon & Optoelect Dept, 49 Kronverksky Pr, St Petersburg 197101, Russia
[2] Univ Lyon, Lab Hubert Curien, UMR CNRS 5516, UJM, F-42000 St Etienne, France
来源：
2020 FOURTEENTH INTERNATIONAL CONGRESS ON ARTIFICIAL MATERIALS FOR NOVEL WAVE PHENOMENA (METAMATERIALS) | 2020年
基金：
俄罗斯科学基金会;
关键词：
D O I：
10.1109/metamaterials49557.2020.9285075
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
We present an approach based on effective medium theory in the Bruggeman-Bergman approximation for modeling of optical properties of nanocomposites based on TiO2 and SiO2 films with Ag nanoparticles. The importance of volume fraction of metal phase for spectral characteristics of such nanocomposite is demonstrated and confirmed. The increase of this parameter leads to the redshift of the spectral peak and an increase of the reflection amplitude. The numerical calculations demonstrate a good agreement with the experimental data for laser-obtained TiO2- and SiO2-based nanocomposite films with Ag nanoparticles.
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页数：3
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