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Abstract In this paper, we shall demonstrate firstly that a normal incidence can be totally reflected from a slab made of active metamaterial with purely-imaginary-impedance. Then we shall predict that… Click to show full abstract
Abstract In this paper, we shall demonstrate firstly that a normal incidence can be totally reflected from a slab made of active metamaterial with purely-imaginary-impedance. Then we shall predict that a localized steady state of electromagnetic wave dependent on initial input can exist in a double-slab structure, which relates to the non null solution of equations formed by electromagnetic field boundary conditions. These results may provide a feasible way to effectively treat loss and/or gain problems and thus store electromagnetic wave (light) permanently at room temperature. In addition, our work indicates that metamaterials with purely-imaginary-impedance may enable remarkable electromagnetic phenomena and merit further study.
Journal Title: Optics Communications
Year Published: 2017
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