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一种基于金属开口谐振环和杆阵列的左手材料宽带吸收器

樊京 蔡广宇

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一种基于金属开口谐振环和杆阵列的左手材料宽带吸收器

樊京, 蔡广宇

Broadband lefthanded metamaterial absorber based on split ring resonator and wire array

Fan Jing, Cai Guang-Yu
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  • 用数值仿真在微波X波段研究了金属开口谐振环和杆阵列这一最基本的谐振结构.通过合理的参数调节,这种结构在10.91 GHz附近可以表现出高达98%的吸收率,并且半高峰宽达到3.5 GHz.用散射参量提取法计算其有效电磁参数,发现在谐振频率附近其介电常数、磁导率和折射率的实部均为负值.相比于传统的左手材料,这种结构的电磁参数在谐振区域均具有较大的虚部,是形成高吸收率的根本原因.本文的左手材料吸收器在电磁加热、电磁隐身等领域具有许多潜在的应用.
    We studied the basic resonance structure of split ring resonator (SRR) and wire array at microwave X-band numerically. With proper design of parameters, this structure could achieve the absorptivity as high as 98% near the frequency of 10.91 GHz, and the FWHM of which is greater than 3.5 GHz. The scattering parameter retrieval method is employed to calculate the effective electromagnetic parameters. It is found that, close to the resonance frequency, the real components of the effective permittivity, permeability, and refractive index are all negative. However, the imaginary components of the electromagnetic parameters seem to be very large in the resonance region, which is the main reason of the high absorptivity. The broadband lefthanded metamaterial absorber presented in this paper has potential applications such as in electromagnetic heating and electromagnetic hiding.
    • 基金项目: 河南省杰出青年科学基金(批准号:0612002200),河南省科技攻关计划(批准号:0623021600)资助的课题.
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    Dolling G, Enkrich C, Wegener M, Soukoulis C M, Linden S 2006 Opt. Lett. 31 1800

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    Wu J F, Sun M Z, Zhang C M 2009 Acta Phys. Sin. 58 3844 (in Chinese) [吴俊芳、孙明昭、张淳明 2009 物理学报 58 3844]

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    Luo C R, Wang L S, Guo J Q, Huang Y, Zhao X P 2009 Acta Phys. Sin. 58 3214 (in Chinese) [罗春荣、王连胜、郭继权、黄 勇、赵晓鹏 2009 物理学报 58 3214]

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    Landy N I, Sajuyigbe S, Mock J J, Smith D R, Padilla W J 2008 Phys. Rev. Lett. 100 207402

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    Tao H, Bingham C M, Strikwerda A C, Pilon D, Shrekenhamer D, Landy N I, Fan K, Zhang X, Padilla W J, Averitt R D 2008 Phys. Rev. B 78 241103(R)

    [21]

    Landy N I, Bingham C M, Tyler T, Jokerst N, Smith D R, Padilla W J 2009 Phys. Rev. B 79 125104

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  • [1]

    Veselago V G 1968 Sov. Hys. Usp. 10 509

    [2]

    Shelby R, Smith D R, Schulrz S 2001 Science 292 77

    [3]

    Chen H S, Ran L X, Huangfu J T, Zhang X M, Chen K S, Grzegorczyk T M, Kong J A 2004 Phys. Rev. E 70 057605

    [4]

    Dong Z G, Xu M X, Lei S Y, Liu H, Li Tao, Wang F M, Zhu S N 2008 Appl. Phys. Lett. 92 064101

    [5]

    Zhou J F, Zhang L, Tuttle G, Koschny T, Soukoulis C M 2006 Phys. Rev. B 73 041101(R)

    [6]

    Zhu W R, Zhao X P, Guo J Q 2008 Appl. Phys. Lett. 92 241116

    [7]

    Zhu W R, Zhao X P 2009 J. Appl. Phys. 106 095311

    [8]

    Kafesaki M, Tsiapa I, Katsarakis N, Koschny T, Soukoulis C M, Economou E N 2007 Phys. Rev. B 75 235114

    [9]

    Zhu W R, Zhao X P 2009 Chin. Phys. Lett. 26 074212

    [10]

    Valentine J, Zhang S, Zentgraf T, Ulin-Avila E, Genov D A, Bartal G, Zhang X 2008 Nature 455 376

    [11]

    Yen T J, Padilla W J, Fang N, Vier D C, Smith D R, Pendry J B, Basov D N, Zhang X 2004 Science 303 1494

    [12]

    Zhu W R, Zhao X P, Ji N 2007 Appl. Phys. Lett. 90 011911

    [13]

    Zhang S, Fan W, Minhas B K, Frauenglass A, Malloy K J, Brueck S R J 2005 Phys. Rev. Lett. 95 137404

    [14]

    Dolling G, Wegener M, Soukoulis C M, Linden S 2007 Opt. Lett. 32 53

    [15]

    Sun M Z, Zhang C M, Song X P, Liang G Y, Sun Z B 2009 Acta Phys. Sin. 58 6179 (in Chinese) [孙明昭、张淳明、宋晓平、梁工英、孙占波 2009 物理学报 58 6179]

    [16]

    Dolling G, Enkrich C, Wegener M, Soukoulis C M, Linden S 2006 Opt. Lett. 31 1800

    [17]

    Wu J F, Sun M Z, Zhang C M 2009 Acta Phys. Sin. 58 3844 (in Chinese) [吴俊芳、孙明昭、张淳明 2009 物理学报 58 3844]

    [18]

    Luo C R, Wang L S, Guo J Q, Huang Y, Zhao X P 2009 Acta Phys. Sin. 58 3214 (in Chinese) [罗春荣、王连胜、郭继权、黄 勇、赵晓鹏 2009 物理学报 58 3214]

    [19]

    Landy N I, Sajuyigbe S, Mock J J, Smith D R, Padilla W J 2008 Phys. Rev. Lett. 100 207402

    [20]

    Tao H, Bingham C M, Strikwerda A C, Pilon D, Shrekenhamer D, Landy N I, Fan K, Zhang X, Padilla W J, Averitt R D 2008 Phys. Rev. B 78 241103(R)

    [21]

    Landy N I, Bingham C M, Tyler T, Jokerst N, Smith D R, Padilla W J 2009 Phys. Rev. B 79 125104

    [22]

    Smith D R, Schultz S, Markos P, Soukoulis C M 2002 Phys. Rev. B 65 195104

    [23]

    Wang J F, Qu S B, Xu Z, Zhang J Q, Ma H, Yang Y M, Gu C 2009 Acta Phys. Sin. 58 3224 (in Chinese) [王甲富、屈绍波、徐 卓、张介秋、马 华、杨一鸣、顾 超 2009 物理学报 58 3224]

    [24]

    Garcia-Meca C, Ortuno R, Salvador R, Martinez A, Marti J 2007 Opt. Express 15 9320

    [25]

    Pendry J B, Holden A J, Robbins D J, Stewart W J 1999 IEEE Trans. Microw. Theory Tech. 47 2075

计量
  • 文章访问数:  7413
  • PDF下载量:  1451
  • 被引次数: 0
出版历程
  • 收稿日期:  2009-11-09
  • 修回日期:  2009-12-22
  • 刊出日期:  2010-09-15

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