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A low-frequency broadband, polarization-insensitive and wide-angle metamaterial absorber is presented, which is based on resistance frequency selective surface (RFSS). The unit cell of this absorber consists of cave cross planar metamaterial (CCPM), RFSS, dielectric substrate and metal backboard. The simulated results based on FDTD method indicate that with the absorptions of compared to the individual CCPM absorber and RFSS absorber, the absorption of the composite structure absorber of CCPM and RFSS is enhanced greatly, and it is greater than 80% and the absorption peak is over 98% in the whole frequency range of 15 GHz. The simulated absorptions under the conditons of different polarization and incident angles indicate that this composite structure absorber has polarization-insensitive and wide-angle absorption.
[1] Cui W Z, Ma W, Qiu L D, Zhang H T 2008 Electromagnetic Metamaterials and its Applications (Beijing: National Defense Industry Press) p8 (in Chinese) [崔万照, 马伟, 邱乐德, 张洪太 2008 电磁超介质及其应用 (北京: 国防工业出版社) 第8页]
[2] Shelby R A, Smith D R, Schultz S 2001 Science 292 77
[3] Tang S W, Zhu W R, Zhao X P 2009 Acta Phys. Sin. 58 3320 (in Chinese) [汤世伟, 朱卫仁, 赵晓鹏 2009 58 3320]
[4] Schurig D, Mock J J, Justice B J, Cummer S A, Pendry J B, Starr A F, Smith D R 2006 Science 314 977
[5] Hao J M, Yuan Y, Ran L X, Jiang T, Kong J A, Chan C T, Zhou L 2007 Phys. Rev. Lett. 99 063908
[6] Landy N I, Sajuyigbe S, Mock J, Smith D R, Padilla W J 2008 Phys. Rev. Lett. 100 207402
[7] Cheng Y Z, Xiao T, Yang H L, Xiao B X 2010 Acta Phys. Sin. 59 0536 (in Chinese) [程用志, 肖婷, 杨河林, 肖柏勋 2010 59 0536]
[8] Avitzour Y, Yaroslav A, Urzhumov, Shvets G 2009 Phys. Rev. B 79 045131
[9] Zhu B, Feng Y J, Zhao J M, Huang C, Jiang T 2010 Appl. Phys. Lett. 97 051906
[10] Hu C G, Li X, Feng Q, Chen X N, Luo X G 2010 Opt. Express. 18 6598
[11] Gu S, Barrett J P, Hand T H, Popa B I, Cummer S A 2010 J. Appl. Phys. 108 064913
[12] Gu C, Qu S B, Pei Z B, Zhou H, Xu Z, Bai P, Peng W D, Lin B Q 2010 Chin. Phys. Lett. 27 117802
[13] Gu C, Qu S B, Pei Z B, Xu Z, Lin B Q, Zhou H, Bai P, Gu W, Peng W D, Ma H 2011 Acta Phys. Sin. 60 087802 (in Chinese) [顾超, 曲少波, 裴志斌, 徐卓, 林宝勤, 周航, 柏鹏, 顾魏, 彭卫东, 马华 2011 60 087802]
[14] Smith D R, Pendry J B 2006 Opt. Soc. Am. B 23 391
[15] Liu H T, Cheng H F, Chu Z Y, Zhang D Y 2007 Materials & Design 28 2166
[16] Chen X D, Tomasz M, Grzegorczyk, Wu Bae-Ian 2004 Phys. Rev. E 70 016608
[17] Smith D R, Vier D C, Koschny T, Soukoulis C M 2005 Phys. Rev. E 71 036617
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[1] Cui W Z, Ma W, Qiu L D, Zhang H T 2008 Electromagnetic Metamaterials and its Applications (Beijing: National Defense Industry Press) p8 (in Chinese) [崔万照, 马伟, 邱乐德, 张洪太 2008 电磁超介质及其应用 (北京: 国防工业出版社) 第8页]
[2] Shelby R A, Smith D R, Schultz S 2001 Science 292 77
[3] Tang S W, Zhu W R, Zhao X P 2009 Acta Phys. Sin. 58 3320 (in Chinese) [汤世伟, 朱卫仁, 赵晓鹏 2009 58 3320]
[4] Schurig D, Mock J J, Justice B J, Cummer S A, Pendry J B, Starr A F, Smith D R 2006 Science 314 977
[5] Hao J M, Yuan Y, Ran L X, Jiang T, Kong J A, Chan C T, Zhou L 2007 Phys. Rev. Lett. 99 063908
[6] Landy N I, Sajuyigbe S, Mock J, Smith D R, Padilla W J 2008 Phys. Rev. Lett. 100 207402
[7] Cheng Y Z, Xiao T, Yang H L, Xiao B X 2010 Acta Phys. Sin. 59 0536 (in Chinese) [程用志, 肖婷, 杨河林, 肖柏勋 2010 59 0536]
[8] Avitzour Y, Yaroslav A, Urzhumov, Shvets G 2009 Phys. Rev. B 79 045131
[9] Zhu B, Feng Y J, Zhao J M, Huang C, Jiang T 2010 Appl. Phys. Lett. 97 051906
[10] Hu C G, Li X, Feng Q, Chen X N, Luo X G 2010 Opt. Express. 18 6598
[11] Gu S, Barrett J P, Hand T H, Popa B I, Cummer S A 2010 J. Appl. Phys. 108 064913
[12] Gu C, Qu S B, Pei Z B, Zhou H, Xu Z, Bai P, Peng W D, Lin B Q 2010 Chin. Phys. Lett. 27 117802
[13] Gu C, Qu S B, Pei Z B, Xu Z, Lin B Q, Zhou H, Bai P, Gu W, Peng W D, Ma H 2011 Acta Phys. Sin. 60 087802 (in Chinese) [顾超, 曲少波, 裴志斌, 徐卓, 林宝勤, 周航, 柏鹏, 顾魏, 彭卫东, 马华 2011 60 087802]
[14] Smith D R, Pendry J B 2006 Opt. Soc. Am. B 23 391
[15] Liu H T, Cheng H F, Chu Z Y, Zhang D Y 2007 Materials & Design 28 2166
[16] Chen X D, Tomasz M, Grzegorczyk, Wu Bae-Ian 2004 Phys. Rev. E 70 016608
[17] Smith D R, Vier D C, Koschny T, Soukoulis C M 2005 Phys. Rev. E 71 036617
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