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A BROADBAND SLAB LENS ANTENNA FORMED FROM GRADIENT REFRACTIVE INDEX METAMATERIALS COMPOSED OF CROSS- SHAPED CELLS
Yuan, Guishan; Dong, Xiaochun; Deng, Qiling; Liu, Chunheng; Lu, Yueguang; Shi, Haofei; Du, Chunlei; Shi, HF (reprint author), Chinese Acad Sci, Chongqing Inst Green & Intelligent Technol, Chongqing 401122, Peoples R China.
Source PublicationMicrowave and Optical Technology Letters
Volume56Issue:5Pages:1124-1129
2014
Language英语
ISSN0895-2477
DOI10.1002/mop.28279
Indexed BySCI
WOS IDWOS:000332519500028
Subtype期刊论文
AbstractA slab lens antenna has been designed to enhance the directivity of a horn antenna efficiently in a wide range of frequencies. A gradient refractive index metamaterial is utilized to compensate phases of electromagnetic waves radiated from a horn, which can transform the cylindrical wave into a plane wave. To obtain broadband property, the gradient refractive index metamaterial composed of cross-shaped conductor, which works in a nonresonant status is designed, and the metamaterial is proved to be broadband, polarization insensitive, and lossless. The slab lens is designed by a collection of metamaterial unit cells with different geometric parameters, where the effective refractive index of the unit cells are determined by the size of cross-shaped conductors to form the required inhomogeneous refractive index distribution. The simulation and experiment results show that the lens located in front of a horn can considerably compress the antenna's radiation patterns over a wide band range from 12 to 18 GHz. (c) 2014 Wiley Periodicals, Inc. Microwave Opt Technol Lett 56:1124-1129, 2014; A slab lens antenna has been designed to enhance the directivity of a horn antenna efficiently in a wide range of frequencies. A gradient refractive index metamaterial is utilized to compensate phases of electromagnetic waves radiated from a horn, which can transform the cylindrical wave into a plane wave. To obtain broadband property, the gradient refractive index metamaterial composed of cross-shaped conductor, which works in a nonresonant status is designed, and the metamaterial is proved to be broadband, polarization insensitive, and lossless. The slab lens is designed by a collection of metamaterial unit cells with different geometric parameters, where the effective refractive index of the unit cells are determined by the size of cross-shaped conductors to form the required inhomogeneous refractive index distribution. The simulation and experiment results show that the lens located in front of a horn can considerably compress the antenna's radiation patterns over a wide band range from 12 to 18 GHz. (c) 2014 Wiley Periodicals, Inc. Microwave Opt Technol Lett 56:1124-1129, 2014
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Document Type期刊论文
Identifierhttp://ir.ioe.ac.cn/handle/181551/7293
Collection微电子装备总体研究室(四室)
Corresponding AuthorShi, HF (reprint author), Chinese Acad Sci, Chongqing Inst Green & Intelligent Technol, Chongqing 401122, Peoples R China.
Affiliation1.[Yuan, Guishan
2.Dong, Xiaochun
3.Deng, Qiling
4.Liu, Chunheng
5.Lu, Yueguang] Chinese Acad Sci, Inst Opt & Elect, Chengdu 610209, Peoples R China
6.[Yuan, Guishan
7.Dong, Xiaochun
8.Shi, Haofei
9.Du, Chunlei] Chinese Acad Sci, Chongqing Inst Green & Intelligent Technol, Chongqing 401122, Peoples R China
Recommended Citation
GB/T 7714
Yuan, Guishan,Dong, Xiaochun,Deng, Qiling,et al. A BROADBAND SLAB LENS ANTENNA FORMED FROM GRADIENT REFRACTIVE INDEX METAMATERIALS COMPOSED OF CROSS- SHAPED CELLS[J]. Microwave and Optical Technology Letters,2014,56(5):1124-1129.
APA Yuan, Guishan.,Dong, Xiaochun.,Deng, Qiling.,Liu, Chunheng.,Lu, Yueguang.,...&Shi, HF .(2014).A BROADBAND SLAB LENS ANTENNA FORMED FROM GRADIENT REFRACTIVE INDEX METAMATERIALS COMPOSED OF CROSS- SHAPED CELLS.Microwave and Optical Technology Letters,56(5),1124-1129.
MLA Yuan, Guishan,et al."A BROADBAND SLAB LENS ANTENNA FORMED FROM GRADIENT REFRACTIVE INDEX METAMATERIALS COMPOSED OF CROSS- SHAPED CELLS".Microwave and Optical Technology Letters 56.5(2014):1124-1129.
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