Broadband unidirectional cloak designed by eikonal theory | Zendy

Xuan Liu | Zendy; Xiaojia Wu | Zendy; Luoning Zhang | Zendy; Jing Zhou | Zendy

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Broadband unidirectional cloak designed by eikonal theory

Author(s) -

Xuan Liu,

Xiaojia Wu,

Luoning Zhang,

Jing Zhou

Publication year - 2015

Publication title -

optics express

Language(s) - Uncategorized

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.23.028402

Subject(s) - cloak , eikonal equation , broadband , optics , eikonal approximation , cloaking , physics , phase (matter) , metamaterial , scattering , quantum mechanics

A method for designing optical device is derived based on the eikonal theory, which could obtain the eikonal distribution on a curved surface according to the propagation characteristics of the subsequent light wave. Then combining with the phase matching condition, we designed a broadband unidirectional cloak. Different from the reported unidirectional cloaks, the proposed one could be used for coherent wave and has continuous broadband performance. Moreover, it has three cloaked regions. Full-wave simulation results verify the properties of the cloak.

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