Comment on “Design of a Quad-Band Wide-Angle Microwave Metamaterial Absorber”

被引：0

作者：

Xinru Kong

Haifeng Zhang

Rina Dao

Guobiao Liu

机构：

[1] Nanjing University of Posts and Telecommunications,College of Electronic and Optical Engineering and College of Microelectronics

[2] Nanjing University of Posts and Telecommunications,National Electronic Science and Technology Experimental Teaching Demonstrating Center

[3] Nanjing University of Posts and Telecommunications,National Information and Electronic Technology Virtual Simulation Experiment Teaching Center

[4] State Key Laboratory of Millimeter Waves of Southeast University,undefined

来源：

Journal of Electronic Materials | 2019年 / 48卷

关键词：

Metamaterial; polarization converter; absorber;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

In recent days, we read a paper called “Design of a Quad-Band Wide-Angle Microwave Metamaterial Absorber”, which was written by Ren et al. In such report, Ren et al. proposed a quad-band wide-angle absorber based on a metallic hexagonal patch layer. The absorption peaks are located at 6.8 GHz, 8.24 GHz, 11.24 GHz, and 12.7 GHz, whose absorptivity values are 97.2%, 95.2%, 97.7%, and 98.5%, respectively. However, we verified that the results which were given by Ren et al. are wrong because they ignored the polarization conversion. The proposed quad-band metamaterial absorber (QBMA) is not an absorber.

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页码：4166 / 4169

页数：3

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