A High-Gain Lens Antenna Based on Transformation Optics

被引：0
|
作者：
Aghanejad, Iman [1 ]
Abiri, Habibollah [1 ]
Yahaghi, Alireza [1 ]
Ramezani, Reza [2 ]
机构：
[1] Shiraz Univ, Sch Elect & Comp Engn, Shiraz, Iran
[2] Newcastle Univ, Sch Elect & Comp Engn, Newcastle Upon Tyne NE1 7RU, Tyne & Wear, England
来源：
2012 LOUGHBOROUGH ANTENNAS & PROPAGATION CONFERENCE (LAPC) | 2012年
关键词：
transformation optics; lens antenna; gradient-index metamaterials; CONTROLLING ELECTROMAGNETIC-FIELDS; METAMATERIAL; DESIGN; CLOAK;
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Transformation of space coordinates can be used as a convenient tool for producing a controlled electromagnetic field pattern. In this paper, we apply a quasi-conformal coordinate transformation to a Maxwell fish-eye lens to design a lens antenna with high gain and low sidelobes, which can be realized by isotropic graded refractive index (GRIN) materials. Using proper simplifying techniques, the designed lens can be made by non-resonant metamaterials or non-magnetic dielectrics having wide frequency band and low losses. The simulation results validate the advantages of the proposed lens antenna.
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页数：4
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