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- Peking UniversityCN547 papers
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5 papers · 2 filters
Deep Subwavelength Electromagnetic Transparency through Dual Metallic Gratings with Ultranarrow Slits
Chunyin Qiu, Sucheng Li, Ruirui Chen +3
In this Letter, we study the transmission response of microwaves through two identical metallic plates machined with ultranarrow slit arrays. The measured and calculated transmissi…
Cloaking and imaging at the same time
Qiannan Wu, Yadong Xu, Huanyang Chen
In this letter, we propose a conceptual device to perform subwavelength imaging with positive refraction. The key to this proposal is that a drain is no longer a must for some case…
Generalized laws of reflection and refraction from transformation optics
Yadong Xu, Kan Yao, Huanyang Chen
Based on transformation optics, we introduce another set of generalized laws of reflection and refraction (differs from that of [Science 334, 333 (2011)]), through which a transfor…
Collimating lenses from non-Euclidean transformation optics
Kan Yao, Xunya Jiang, Huanyang Chen
Based on the non-Euclidean transformation optics, we design a thin metamaterial lens that can achieve wide-beam radiation by embedding a simple source (a point source in three-dime…
Realizing bending waveguides with anisotropic epsilon-near-zero metamaterials
Jie Luo, Ping Xu, Huanyang Chen +2
We study metamaterials with an anisotropic effective permittivity tensor in which one component is near zero. We find that such an anisotropic metamaterial can be used to control w…