Plasmon resonances of metal nanoparticles in an absorbing medium

被引：13
|
作者：
Mishchenko, Michael, I [1 ]
Dlugach, Janna M. [2 ]
机构：
[1] NASA, Goddard Inst Space Studies, 2880 Broadway, New York, NY 10025 USA
[2] Natl Acad Sci Ukraine, Main Astron Observ, 27 Zabolotny Str, UA-03143 Kiev, Ukraine
来源：
OSA CONTINUUM | 2019年 / 2卷 / 12期
关键词：
LORENZ-MIE SCATTERING; SPHERICAL-PARTICLES; LIGHT-SCATTERING; RADIATION CHARACTERISTICS; OPTICAL-PROPERTIES; EXTINCTION; SPHERES; EFFICIENCY; FORMALISM; CONSTANTS;
D O I：
10.1364/OSAC.2.003415
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We study the behavior of plasmon resonances of metal nanospheres embedded in an absorbing medium. First-principles far-field computations based on the general Lorenz-Mie theory show that increasing absorption in the host medium broadens and suppresses plasmon resonances in the extinction and effective scattering efficiency factors and suppresses resonance features in the phase function. These effects of absorption are analogous to those on the morphology-dependent resonances of dielectric particles with large size parameters. (C) 2019 Optical Society of America under the terms of the OSA Open Access Publishing Agreement
引用
收藏
页码：3416 / 3422
页数：7
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