期刊
OPTICS EXPRESS
卷 23, 期 22, 页码 28402-28407出版社
OPTICAL SOC AMER
DOI: 10.1364/OE.23.028402
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资金
- National Natural Science Foundation of China (NSFC) [61275130]
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. (C)2015 Optical Society of America
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