Toroidal Dipolar Excitation in Metamaterials Consisting of Metal nanodisks and a Dielectrc Spacer on Metal Substrate

Abstract We have investigated numerically toroidal dipolar excitation at optical frequency in metamaterials whose unit cell consists of three identical Ag nanodisks and a SiO2 spacer on Ag substrate. The near-field plasmon hybridization between individual Ag nanodisks and substrate forms three magne...

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Autores principales: Chaojun Tang, Bo Yan, Qiugu Wang, Jing Chen, Zhendong Yan, Fanxin Liu, Naibo Chen, Chenghua Sui
Formato: article
Lenguaje:EN
Publicado: Nature Portfolio 2017
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Acceso en línea:https://doaj.org/article/957c38ece21c4b1aa0a3ae2b85da57db
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