Dual-band unidirectional forward scattering of Au–Si sliced nanorod in the visible region
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Author(s)
Mu, Haiwei
Xu, Wenjing
Xu, Chonghong
Lv, Jingwei
Liu, Wei
Li, Xianli
Liu, Qiang
Liu, Chao
Sun, Tao
Chu, Paul K
Date Issued
May 8, 2019
Publisher
Springer Berlin Heidelberg
Citation
Applied Physics A. 2019 May 08;125(6):388
Version
Author's final manuscript
Abstract
Abstract
Strong resonant light scattering by an Au–Si sliced nanorod is investigated by the finite element method (FEM) based on COMSOL Multiphysics. Stemming from the interference between the electric, magnetic and toroidal multimodes in Au–Si sliced nanorod, the forward scattering is enhanced and backward scattering is attenuated substantially in visible region. Moreover, the high-efficiency unidirectional forward scattering is not limited to one specific wavelength but can fit in the multiple wavelengths. The structural parameters have an effect on the enhancement of different multimode resonances.
MIT Department
Massachusetts Institute of Technology. Media Laboratory
Terms of Use
Article is made available in accordance with the publisher's policy and may be subject to US copyright law. Please refer to the publisher's site for terms of use.
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DOI of Published Version
https://doi.org/10.1007/s00339-019-2690-x
