期刊
APPLIED PHYSICS LETTERS
卷 111, 期 21, 页码 -出版社
AMER INST PHYSICS
DOI: 10.1063/1.5003571
关键词
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资金
- Engineering and Physical Sciences Research Council (EPSRC) of the United Kingdom via the EPSRC Centre for Doctoral Training in Metamaterials [EP/L015331/1]
- Flann Microwave Ltd (Bodmin, UK)
- EPSRC [EP/N010493/1] Funding Source: UKRI
- Engineering and Physical Sciences Research Council [EP/N010493/1] Funding Source: researchfish
A broadband planar microwave Luneburg lens made of a three-layer metasurface with hexagonal symmetry is presented. This metasurface supports a transverse-electric mode confined to the surface that presents very low dispersion and a stable mode index across a broad frequency band. This enables the lens to operate in the range of frequencies between 8 GHz and 19 GHz. The lens was manufactured using a lithographic technique with three 25 mu m copper-coated Mylar sheets. The resulting device is only 75 mu m thick, flexible, and light-weight. Published by AIP Publishing.
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