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				In this paper, an ultra-thinspiral-structured metamaterial absorber is demonstrated both numerically and experimentally, whose thickness (1.034 mm) is about (1/60th, 1/44th, 1/32th, 1/23th, 1/21th) of the respective working wavelengths (4.81, 6.59, 9.16, 12.69 and 13.71 GHz). Simulation results show that the absorber can achieve absorption up to 94.41%, 99.89%, 99.73%, 99.26% and 99.41% at 4.81, 6.59, 9.16, 12.69 and 13.71 GHz respectively. Thus multi-band absorptions are realized. From the two aspects of surface current and power loss density, the mechanism of strong absorption is analyzed. Theoretical analysis shows that the multi-band absorption arises from multi-order plasmon resonances at five neighboring frequencies. Strong absorptions are induced due to strong electric resonances within/between the spiral structures. Design of the metamaterial absorber is simple and is easy to be implemented, so such absorbers may have application values in designing novel electromagnetic absorbers.- 
										Keywords:
										
- multi-band /
- metamaterial absorber /
- spiral structure /
- plasmon resonance
 [1] Ari Sihvola. Metamaterials in electromagnetics 2007 Metamaterials 1 2 [2] [3] Smith D R, Vier D C, Willie Padilla, Syrus C, Nemat-Nasser, Schultz S 1999 Appl. Phys. Lett. 75 1425 [4] [5] Cui W Z, Ma W, Qiu L D, Zhang H T 2010 Electromagnetic Metamaterials and its Application (Beijing: National Defence Industry Press) p1 (in Chinese)[崔万照, 马伟, 邱乐德, 张洪太2010电磁超介质及其应用(北京: 国防工业出版社)第1页] [6] [7] Landy N I, Sajuyigbe S, Mock J J, Smith D R, Padilla W J 2008 Phys. Rev. Lett. 100 207402 [8] [9] Wen Q Y, Zhang H W, Xie Y S, Yang Q H, Liu Y L 2009 Appl. Phys. Lerr. 101 24111 [10] [11] Shen X P, Yang Y, Zang Y Z, Han J G, Zhang W L, Cui T J 2012 Appl. Phys. Lerr. 101 154102 [12] Zhu W R, Zhao X P, Gong B Y, Liu L H 2011 Appl. Phys. A 102 147 [13] [14] [15] Hu C G, Zhao Z Y, Chen X N, Luo X G 2009 Opt. Express 17 11039 [16] [17] Sun J B, Liu L Y, Dong G Y, Zhou J 2011 Opt. Express 22 21155 [18] [19] Lu L, Qu S B, Shi H Y, Zhang A X, Xia S, Xu Z, Zhang J Q 2014 Acta Phys. Sin. 63 2 (in Chinese)[鲁磊, 屈绍波, 施宏宇, 张安学, 夏颂, 徐卓, 张介秋 2014 63 2] [20] Chen S, Cheng H, Yang H, Li J, Duan X, Gu C, Tian J 2011 Appl. Phys. Lett. 99 253104 [21] [22] [23] 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 8 (in Chinese)[顾超, 屈绍波, 裴志斌, 徐卓, 林宝勤, 周航, 柏鹏, 顾巍, 彭卫东, 马华 2011 60 8] [24] Gu C, Qu S B, Pei Z B, Xu Z, Bai P, Peng W D, Lin B Q 2011 Acta Phys. Sin. 60 8 (in Chinese)[顾超, 屈绍波, 裴志斌, 徐卓, 柏鹏, 彭卫东, 林宝勤 2011 60 8]) [25] [26] Sun L K Cheng H F, Zhou Y J Wang J 2012 Chin. Phys. B 21 055201 [27] [28] Mo M M, Wen Q Y, Chen Z, Yang Q H, Qiu D H, Li S, Jing Y L, Zhang H W Yang Q H, Qiu D H, Li S, Jing Y L, Zhang H W 2014 Chin. Phys. B 23 4 [29] [30] [31] Fan Y N, Cheng Y Z, Nie Y, Wang X, Gong R Z 2013 Chin. Phys. B 22 067801 [32] [33] Cheng Y Z, Gong R Z, Nie Y, Wang X 2012 Chin. Phys. B 21 127801 [34] Nie Y, Cheng Y Z, Gong R Z 2013 Chin. Phys. B 22 044102 [35] [36] Ma Y, Chen Q, Grant J, Shimul C, Saha, Khalid A, David R S 2011 Optics Letters. 3 6 [37] [38] 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 61 058101] [39] [40] [41] Li L, Yang Y, Liang C H 2011 J. Appl. Phys. 110 063702 [42] [43] Zhong J P, Huang Y J, Wen G J, Sun H B, Wang P, Gordon O 2012 Appl. Phys. A 108 329 [44] [45] Ye Q W, Liu Y, Lin H, Li M H, Yang H L 2012 Appl. Phys. A 107 155 [46] [47] Wang G D, Liu M H, Hu X W, Kong L H, Cheng L L, Chen Z Q 2014 Chin. Phys. B 23 1 [48] [49] Chen C, Wu S, Yen T 2008 Appl. Phys. Lett. 93 34110 [50] [51] Bahl I, Bhartia P 2003 Wiley New Jersey 
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[1] Ari Sihvola. Metamaterials in electromagnetics 2007 Metamaterials 1 2 [2] [3] Smith D R, Vier D C, Willie Padilla, Syrus C, Nemat-Nasser, Schultz S 1999 Appl. Phys. Lett. 75 1425 [4] [5] Cui W Z, Ma W, Qiu L D, Zhang H T 2010 Electromagnetic Metamaterials and its Application (Beijing: National Defence Industry Press) p1 (in Chinese)[崔万照, 马伟, 邱乐德, 张洪太2010电磁超介质及其应用(北京: 国防工业出版社)第1页] [6] [7] Landy N I, Sajuyigbe S, Mock J J, Smith D R, Padilla W J 2008 Phys. Rev. Lett. 100 207402 [8] [9] Wen Q Y, Zhang H W, Xie Y S, Yang Q H, Liu Y L 2009 Appl. Phys. Lerr. 101 24111 [10] [11] Shen X P, Yang Y, Zang Y Z, Han J G, Zhang W L, Cui T J 2012 Appl. Phys. Lerr. 101 154102 [12] Zhu W R, Zhao X P, Gong B Y, Liu L H 2011 Appl. Phys. A 102 147 [13] [14] [15] Hu C G, Zhao Z Y, Chen X N, Luo X G 2009 Opt. Express 17 11039 [16] [17] Sun J B, Liu L Y, Dong G Y, Zhou J 2011 Opt. Express 22 21155 [18] [19] Lu L, Qu S B, Shi H Y, Zhang A X, Xia S, Xu Z, Zhang J Q 2014 Acta Phys. Sin. 63 2 (in Chinese)[鲁磊, 屈绍波, 施宏宇, 张安学, 夏颂, 徐卓, 张介秋 2014 63 2] [20] Chen S, Cheng H, Yang H, Li J, Duan X, Gu C, Tian J 2011 Appl. Phys. Lett. 99 253104 [21] [22] [23] 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 8 (in Chinese)[顾超, 屈绍波, 裴志斌, 徐卓, 林宝勤, 周航, 柏鹏, 顾巍, 彭卫东, 马华 2011 60 8] [24] Gu C, Qu S B, Pei Z B, Xu Z, Bai P, Peng W D, Lin B Q 2011 Acta Phys. Sin. 60 8 (in Chinese)[顾超, 屈绍波, 裴志斌, 徐卓, 柏鹏, 彭卫东, 林宝勤 2011 60 8]) [25] [26] Sun L K Cheng H F, Zhou Y J Wang J 2012 Chin. Phys. B 21 055201 [27] [28] Mo M M, Wen Q Y, Chen Z, Yang Q H, Qiu D H, Li S, Jing Y L, Zhang H W Yang Q H, Qiu D H, Li S, Jing Y L, Zhang H W 2014 Chin. Phys. B 23 4 [29] [30] [31] Fan Y N, Cheng Y Z, Nie Y, Wang X, Gong R Z 2013 Chin. Phys. B 22 067801 [32] [33] Cheng Y Z, Gong R Z, Nie Y, Wang X 2012 Chin. Phys. B 21 127801 [34] Nie Y, Cheng Y Z, Gong R Z 2013 Chin. Phys. B 22 044102 [35] [36] Ma Y, Chen Q, Grant J, Shimul C, Saha, Khalid A, David R S 2011 Optics Letters. 3 6 [37] [38] 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 61 058101] [39] [40] [41] Li L, Yang Y, Liang C H 2011 J. Appl. Phys. 110 063702 [42] [43] Zhong J P, Huang Y J, Wen G J, Sun H B, Wang P, Gordon O 2012 Appl. Phys. A 108 329 [44] [45] Ye Q W, Liu Y, Lin H, Li M H, Yang H L 2012 Appl. Phys. A 107 155 [46] [47] Wang G D, Liu M H, Hu X W, Kong L H, Cheng L L, Chen Z Q 2014 Chin. Phys. B 23 1 [48] [49] Chen C, Wu S, Yen T 2008 Appl. Phys. Lett. 93 34110 [50] [51] Bahl I, Bhartia P 2003 Wiley New Jersey 
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