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|Title:||Shifted resonances in coated metamaterial cylinders: Enhanced backscattering and near-field effects|
|Authors:||Qiu, C.W. |
|Source:||Qiu, C.W., Zouhdi, S., Geng, Y.L. (2008-04-14). Shifted resonances in coated metamaterial cylinders: Enhanced backscattering and near-field effects. Physical Review E - Statistical, Nonlinear, and Soft Matter Physics 77 (4) : -. ScholarBank@NUS Repository. https://doi.org/10.1103/PhysRevE.77.046604|
|Abstract:||Electromagnetic wave properties in the presence of a thin or thick coating on a cylinder are investigated. The theoretical treatment starts from the formulation of electromagnetic fields in all regions where the coating and the core are allowed to rotate. The angular velocities of the core and coating can be different and even antidirectional. The present general approach can be applied to a wide range of specific cases such as rotating and stationary and left-handed and right-handed core-coating combinations. In particular, the optical resonances due to the surface plolaritons and morphology-dependent resonances are examined. Because of the rotation, the resonances are found to shift, and the effects of velocity on such phenomena are investigated. The backscattering can thus be controlled to achieve suppression or enhancement by using proper metamaterial coatings. Physical insights as well as the numerical results are presented. © 2008 The American Physical Society.|
|Source Title:||Physical Review E - Statistical, Nonlinear, and Soft Matter Physics|
|Appears in Collections:||Staff Publications|
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