期刊
APPLIED PHYSICS LETTERS
卷 88, 期 9, 页码 -出版社
AMER INST PHYSICS
DOI: 10.1063/1.2179615
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资金
- Engineering and Physical Sciences Research Council [EP/C511786/1] Funding Source: researchfish
We report that electromagnetic wave reflected from a flat metallic mirror superimposed with a planar wavy metallic structure with subwavelength features that resemble fish scales reflects like a conventional mirror without diffraction, but shows no phase change with respect to the incident wave. Such unusual behavior resembles a reflection from a hypothetical zero refractive index material, or magnetic wall. We also discovered that the structure acts as a local field concentrator and a resonant amplifier of losses in the underlying dielectric. (c) 2006 American Institute of Physics.
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