Modified Luneburg Lens Based on Metamaterials | Zendy

Haibing Chen | Zendy; Qiang Cheng | Zendy; Aihua Huang | Zendy; Jun Yan Dai | Zendy; Huiying Lü | Zendy; Jie Zhao | Zendy; Huifeng Ma | Zendy; Weixiang Jiang | Zendy; Tie Jun Cui | Zendy

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Modified Luneburg Lens Based on Metamaterials

Author(s) -

Haibing Chen,

Qiang Cheng,

Aihua Huang,

Jun Yan Dai,

Huiying Lü,

Jie Zhao,

Huifeng Ma,

Weixiang Jiang,

Tie Jun Cui

Publication year - 2015

Publication title -

international journal of antennas and propagation

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.282

H-Index - 37

eISSN - 1687-5877

pISSN - 1687-5869

DOI - 10.1155/2015/902634

Subject(s) - luneburg lens , lens (geology) , optics , metamaterial , simple lens , refractive index , materials science , gradient index optics , fabrication , cylindrical lens , physics , medicine , alternative medicine , pathology

We present the design, fabrication, and experimental characterization of a modified two-dimensional Luneburg lens based on bulk metamaterials. The lens is composed by a number of concentric layers. By varying the geometric dimensions of unit cells in each layer, the gradient refractive index profile required for the modified Luneburg lens can be achieved. The cylindrical waves generated from a point source at the focus point of the lens could be transformed into plane waves as desired in the microwave frequency. The proposed modified Luneburg lens can realize wide-angle beam scanning when the source moves along the circumferential direction inside the lens. Numerical and experimental results validate the performance of the modified Luneberg lens

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