期刊
PHYSICAL REVIEW E
卷 78, 期 6, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevE.78.066607
关键词
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资金
- National Science Foundation of China [60871016, 60671015, 60601002, 60621002]
- Natural Science Foundation of Jiangsu Province [BK2008031]
- National Basic Research Program (973) of China [2004CB719802]
- 111 Project [111-2-05]
We propose an optical transformation to bend electromagnetic waves by designing proper inhomogeneous and anisotropic materials, which are hereinafter referred to as metamaterials (MTMs). When the waveguide bends are filled with MTMs, the incident waves will pass through the bends without any reflections (for full-parameter MTMs) or with very small reflections (for simplified-parameter MTMs). When MTMs are placed in air, the incident waves will be bent to any designed directions. We also discuss the wave bending using layered homogeneous uniaxial MTMs, which can be easily realized using artificial structures.
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