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In this paper, a broadband metamaterial absorber is designed based on a hybrid substrate consisting of the dielectric and magnetic materials. The absorber is composed of the resistance film, dielectric layer, magnetic layer, and metal backboard. Numerical simulation of the absorbing properties is performed by means of the finite-difference time-domain method, and the bandwidth of the reflectivity below -10 dB is optimized by the genetic algorithm. Simulated results indicate that a bandwidth of reflectivity below -10 dB can be achieved over the frequency range from 7.8 to 18 GHz when the thickness of the absorber is only 2.5 mm. The proposed metamaterial absorber has many advantages, such as thin thickness, broadband, and polarization insensitivity. The operation mechanism of the absorber has also been analyzed and discussed within the model of equivalent circuit. In the end, an absorber sample is fabricated based on the design. It is found that the experimental result is well consistent with the design requirements.
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Keywords:
- hybrid substrate /
- broadband /
- metamaterial absorber /
- thin thickness
[1] Landy N I, Sajuyigbe S, Mock J J, Smith D R, Padilla W J 2008 Phys. Rev. Lett. 100 207402
[2] Pang Y Q, Cheng H F, Zhou Y J, Wang J 2013 J. Appl. Phys. 113 114902
[3] Yang Y, Yang Y, Xiao W, Ding J 2014 J. Appl. Phys. 115 17A521
[4] Wang GD, Liu MH, Hu XW, Kong LH, Cheng LL, Chen ZQ 2014 Chin. Phys. B 23 017802
[5] Tsuda Y, Yasuzumi T, Hashimoto O 2011 IEEE Trans. Antennas Propag. 10 892
[6] Cheng Y Z, Nie Y, Gong R Z, Zheng D H, Fan Y N, Xiong X, Wang X 2012 Acta Phys. Sin. 61 134101 (in Chinese) [程用志, 聂彦, 龚荣洲, 郑栋浩, 范跃农, 熊炫, 王鲜 2012 物理学报 61 134101]
[7] Pang Y Q, Cheng H Y, Zhou Y J, Li Z G, Wang J 2012 Opt. Express 20 12515
[8] Sun L K, Cheng H F, Zhou Y J, Wang J 2012 Opt. Express 20 4675
[9] Li H, Dibakar R C, Suchitra R, Matthew T. R, Luo, S N, Antoinette J T, Chen H T 2012 Opt. Letters 37 154
[10] Singh P K, Korolev K A, Afsar M A, Sonkusale S 2011 Appl. Phys. Lett. 99 264101
[11] Lu L, Qu S B, Xia S, Xu Z, Ma H, Wang J F, Yu F 2013 Acta Phys. Sin. 62 013701 (in Chinese) [鲁磊, 屈绍波, 夏颂, 徐卓, 马华, 王甲富, 余斐 2013 物理学报 62 013701]
[12] Tuong P V, Park J W, Rhee J Y, Kim W, Jang W H, Cheong H, Lee Y P 2013 Appl. Phys. Lett. 102 081122
[13] Bhattacharyya S, Srivastava K V 2014 J. Appl. Phys. 115 064508
[14] Huang X J, Yang H L, Yu S Q, Wang J X, Li M H, Ye Q W 2013 J. Appl. Phys. 113 213516
[15] Yang GH, LiuXX, Lv YL, Fu JH, Wu Q, Gu X M 2014 J. Appl. Phys. 115 17E523
[16] Yoo M, Lim S 2014 IEEE Trans. Antennas Propag. 62 2652
[17] Kazantsev Y N, Lopatin A V, Kazantseva N E, Shatrov A D, Mal’tsev V P, Vilcáková J, Sáha P 2010 IEEE Trans. Antennas Propag. 58 1227
[18] Chen H Y, Zhang H B, Deng L H J 2010 IEEE Trans. Antennas Propag. 9 899
[19] Han M G, Tang W, Chen W B, Zhou H, Deng L J 2010 J. Appl. Phys. 107 09A958
[20] Liu J R, Itoh M, Terada M, Horikawa T, Machida K I 2007 Appl. Phys. Lett. 91 093101
[21] Zhang X F, Dong X F, Huang H, Liu H Y, Wang W N, Zhu X G, Lv B, Lei J P, Lee C G 2006 Appl. Phys. Lett. 89 053115
[22] Yang Y, Yang Y, Xiao W, Ding J 2014 J. Appl. Phys. 115 17A521
[23] Kazemzadeh A, KarlssonA 2010 IEEE Trans. Antennas Propag. 58 3310
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[1] Landy N I, Sajuyigbe S, Mock J J, Smith D R, Padilla W J 2008 Phys. Rev. Lett. 100 207402
[2] Pang Y Q, Cheng H F, Zhou Y J, Wang J 2013 J. Appl. Phys. 113 114902
[3] Yang Y, Yang Y, Xiao W, Ding J 2014 J. Appl. Phys. 115 17A521
[4] Wang GD, Liu MH, Hu XW, Kong LH, Cheng LL, Chen ZQ 2014 Chin. Phys. B 23 017802
[5] Tsuda Y, Yasuzumi T, Hashimoto O 2011 IEEE Trans. Antennas Propag. 10 892
[6] Cheng Y Z, Nie Y, Gong R Z, Zheng D H, Fan Y N, Xiong X, Wang X 2012 Acta Phys. Sin. 61 134101 (in Chinese) [程用志, 聂彦, 龚荣洲, 郑栋浩, 范跃农, 熊炫, 王鲜 2012 物理学报 61 134101]
[7] Pang Y Q, Cheng H Y, Zhou Y J, Li Z G, Wang J 2012 Opt. Express 20 12515
[8] Sun L K, Cheng H F, Zhou Y J, Wang J 2012 Opt. Express 20 4675
[9] Li H, Dibakar R C, Suchitra R, Matthew T. R, Luo, S N, Antoinette J T, Chen H T 2012 Opt. Letters 37 154
[10] Singh P K, Korolev K A, Afsar M A, Sonkusale S 2011 Appl. Phys. Lett. 99 264101
[11] Lu L, Qu S B, Xia S, Xu Z, Ma H, Wang J F, Yu F 2013 Acta Phys. Sin. 62 013701 (in Chinese) [鲁磊, 屈绍波, 夏颂, 徐卓, 马华, 王甲富, 余斐 2013 物理学报 62 013701]
[12] Tuong P V, Park J W, Rhee J Y, Kim W, Jang W H, Cheong H, Lee Y P 2013 Appl. Phys. Lett. 102 081122
[13] Bhattacharyya S, Srivastava K V 2014 J. Appl. Phys. 115 064508
[14] Huang X J, Yang H L, Yu S Q, Wang J X, Li M H, Ye Q W 2013 J. Appl. Phys. 113 213516
[15] Yang GH, LiuXX, Lv YL, Fu JH, Wu Q, Gu X M 2014 J. Appl. Phys. 115 17E523
[16] Yoo M, Lim S 2014 IEEE Trans. Antennas Propag. 62 2652
[17] Kazantsev Y N, Lopatin A V, Kazantseva N E, Shatrov A D, Mal’tsev V P, Vilcáková J, Sáha P 2010 IEEE Trans. Antennas Propag. 58 1227
[18] Chen H Y, Zhang H B, Deng L H J 2010 IEEE Trans. Antennas Propag. 9 899
[19] Han M G, Tang W, Chen W B, Zhou H, Deng L J 2010 J. Appl. Phys. 107 09A958
[20] Liu J R, Itoh M, Terada M, Horikawa T, Machida K I 2007 Appl. Phys. Lett. 91 093101
[21] Zhang X F, Dong X F, Huang H, Liu H Y, Wang W N, Zhu X G, Lv B, Lei J P, Lee C G 2006 Appl. Phys. Lett. 89 053115
[22] Yang Y, Yang Y, Xiao W, Ding J 2014 J. Appl. Phys. 115 17A521
[23] Kazemzadeh A, KarlssonA 2010 IEEE Trans. Antennas Propag. 58 3310
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