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A BROADBAND SLAB LENS ANTENNA FORMED FROM GRADIENT REFRACTIVE INDEX METAMATERIALS COMPOSED OF CROSS- SHAPED CELLS
Yuan, Guishan1,2; Dong, Xiaochun1,2; Deng, Qiling1; Liu, Chunheng1; Lu, Yueguang1; Shi, Haofei2; Du, Chunlei2
Source PublicationMICROWAVE AND OPTICAL TECHNOLOGY LETTERS
Volume56Issue:5Pages:1124-1129
2014-05-01
Language英语
Indexed BySCI
WOS IDWOS:000332519500028
SubtypeArticle
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
KeywordLens Antenna Metamaterial Broadband Antennas
WOS KeywordPLASMA FREQUENCY
WOS Research AreaEngineering ; Optics
WOS SubjectEngineering, Electrical & Electronic ; Optics
Citation statistics
Cited Times:7[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ioe.ac.cn/handle/181551/2508
Collection光电技术研究所被WoS收录文章
Affiliation1.Chinese Acad Sci, Inst Opt & Elect, Chengdu 610209, Peoples R China
2.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.,...&Du, Chunlei.(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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