Wide Band Polarization Converter Graphene Metasurface for Mid-Infrared Band

被引：1
|
作者：
Aziz, Ahmed A. Abdel [1 ]
Ibrahim, Ahmed A. [2 ]
Abdalla, Mahmoud A. [1 ]
机构：
[1] Mil Tech Coll, Elect Engn Dept, Cairo, Egypt
[2] Minia Univ, Elect Engn Dept, Al Minya, Egypt
来源：
2019 THIRTEENTH INTERNATIONAL CONGRESS ON ARTIFICIAL MATERIALS FOR NOVEL WAVE PHENOMENA (METAMATERIALS)) | 2019年
关键词：
D O I：
10.1109/metamaterials.2019.8900929
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：
Wide band, insensitive incidence angle graphene metasurface for polarization conversion is introduced in this work. A high Polarization Conversion Ratio (PCR) is verified in Mid-Infrared band by using a graphene as an upper conductor for metasurface. The metasurface construction is composed of a single layer of graphene, which has a half ring slots with rectangular slot connecting between them while the whole shape is rotated with 45 degrees. Silicon dioxide substrate is used with a metal backed ground. The simulation results of the proposed metasurface indicate that a linearly polarized incident wave is converted to a circular polarized one over more than one THz along the Mid-Infrared frequency band. PCR has a maximum value of approximately 98% at 1.45 THz. The polarization conversion ratio is studied for different angles of incidence, with stable value for a wide range of incident angles.
引用
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页码：4 / 6
页数：3
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