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Triple band polarization-independent metamaterial absorber with bandwidth enhancement at X-band

机译:与三波段偏振无关的超材料吸收器,在X波段具有带宽增强

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摘要

In this paper, we propose a triple band polarization-independent metamaterial absorber using square-shaped closed ring resonators over wide angle of incidence. The unit cell consisting of various square loops is designed by using the parametric analysis so that it exhibits a triple band absorption response with two bands lying in C-band and one in X-band for airborne and surveillance radar signal absorption applications. Furthermore, in X-band, the absorber exhibits a broadband response with full width at half maxima bandwidth of 940 MHz (9.43%). The structure exhibits bandwidth enhanced properties for any angle of polarization under normal incidence. It also shows high absorption for wide angle of incidence up to 60°. The proposed structure is fabricated and experimental results show proper matching with the simulated responses.
机译:在本文中,我们提出了一种在宽入射角范围内使用方形闭环谐振器的三波段偏振无关超材料吸收器。通过使用参数分析来设计由各种方形环组成的单位单元,以使其表现出三波段吸收响应,其中两个波段位于C波段,一个波段位于X波段,用于机载和监视雷达信号吸收应用。此外,在X波段,吸收器在940 MHz(9.43%)的一半最大带宽下表现出全宽度的宽带响应。该结构在垂直入射下对任何极化角均显示出带宽增强的特性。对于高达60°的宽入射角,它也显示出高吸收性。拟议的结构被制造出来,实验结果表明与模拟响应是正确匹配的。

著录项

  • 来源
    《Journal of Applied Physics》 |2013年第9期|094514.1-094514.7|共7页
  • 作者单位

    Department of Electrical Engineering, Indian Institute of Technology Kanpur, Kanpur-208016, India;

    Department of Electrical Engineering, Indian Institute of Technology Kanpur, Kanpur-208016, India;

    Department of Electrical Engineering, Indian Institute of Technology Kanpur, Kanpur-208016, India;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

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