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A metamaterial absorber with high absorptivity, wide incident angle and no surface ullage layer is designed and applied to microstrip antenna to reduce its radar cross section (RCS). The results show that the absorber can exhibit an absorption of 99.9% with a thickness of 0.3 mm. Compared with the conventional microstrip antenna, the proposed antenna has an RCS reduction of more than 3 dB in the boresight direction in the working frequency band, and the largest reduction can reach 16.7 dB, the monostatic and bistatic RCS reduction are over 3 dB from -30° to +30° and -90° to +90° respectively, while the radiation performance is kept, which proves that the absorber has an excellent absorptivity and could be applied to microstrip antennas to achieve in-band stealth.
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Keywords:
- metamaterial absorber /
- microstrip antenna /
- radar cross section
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[1] Engheta N 2002 IEEE Trans. Anten. and Propag. Society (AP2S) Int. Symp. and USNC/ URSI National Radio Science Meeting San Antonio, TX, USA 2012 p16
[2] Li Y Q, Zhang H, Fu Y Q, Yuan N C 2008 IEEE Anten. Wirel. Propag. Lett. 7 473
[3] Fillippo C, Agostino M, Giuliano M 2010 IEEE Trans. Anten. Propag. 58 1551
[4] Landy N I, Sajuyigbe S, Mock J J, Smith D R, Padilla W J 2008 Phys. Rev. Lett. 100 207402
[5] Liu N, Mesh M, Weiss T, Hentschel M, Giessen H 2010 Nano Lett. 10 2342
[6] Gu C, Qu S B, Pei Z B, Zhou H, Wang J F 2010 Prog. Electromag. Res. Lett. 17 171
[7] Landy N I, Bingham C M, Tyler T, Jokerst N, Smith D R, Padilla W J 2009 Phys. Rev. B 79 125104
[8] Gu C, Qu S B, Pei Z B, Xu Z, Ma H, Lin B Q, Bai P, Peng W D 2011 Acta Phys. Sin. 60 107801 (in Chinese) [顾超, 屈绍波, 裴志斌, 徐卓, 马华, 林宝勤, 柏鹏, 彭卫东 2011 物理学报 60 107801]
[9] Lee J Y, Yoon Y J, Lim S J 2012 ETRI Journal 34 126
[10] Marcus D, Thomas K, Soukoulis C M 2009 Phys. Rev. B 79 033101
[11] Luukkonen O, Filippo C, Agostino M, Sergei A T 2009 IEEE Trans. Anten. Propag. 57 3119
[12] Wang B N, Koschny T, Soukoulis C M 2010 Phys. Opt. 24 1
[13] He X J, Wang Y, Wang J M, Gui T L 2011 Prog. Electromag. Res. 115 381
[14] Li H, Yuan L H, Zhou B, Shen X P, Cheng Q, Cui T J 2011 J. Appl. Phys. 110 014909
[15] Shen X P, Cui T J, Ye J X 2012 Acta Phys. Sin. 61 058101 (in Chinese) [沈晓鹏, 崔铁军, 叶建祥 2012 物理学报 61 058101]
[16] Lee J, Lim S 2011 Electron. Lett. 47 8
[17] Cheng Y Z, Nie Y, Gong R Z, Zheng D H, Fan Y N, Xiong X, Wang X 2012 Acta Phys. Sin. 61 134102 (in Chinese) [程用志, 聂彦, 龚荣洲, 郑栋浩, 范越农, 熊炫, 王鲜 2012 物理学报 61 134102]
[18] Zhu Z K, Luo C R, Zhao X P 2009 Acta Phys. Sin. 58 6152 (in Chinese) [朱忠奎, 罗春荣, 赵晓鹏 2009 物理学报 58 6152]
[19] Bao S, Luo C R, Zhao X P 2011 Acta Phys. Sin. 60 014101 (in Chinese) [保石, 罗春荣, 赵晓鹏 2011 物理学报 60 014101]
[20] Liu T, Cao X Y, Gao J, Zheng Q Y, Li W Q 2012 Acta Phys. Sin. 61 184101 (in Chinese) [刘涛, 曹祥玉, 高军, 郑秋容, 李文强 2012 物理学报 61 184101]
[21] Simone G, Filippo C, Agostino M 2012 IEEE Trans. Anten. Propag. 60 2327
[22] Padilla W J, Aronsson M T, Highstrete C 2007 Phys. Rev. B 75 1102
[23] Smith D R, Vier D C, Koschny T, Soukoulis C M 2005 Phys. Rev. E 71 036617
[24] Zhu W R, Zhao X P, Bao S, Zhang Y P 2010 Chin. Phys. Lett. 27 014204
[25] Li L, Yang Y, Liang C H 2011 J. Appl. Phys. 110 063702
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