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三层单负材料结构中电磁波模分析

宋戈 许静平 羊亚平

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三层单负材料结构中电磁波模分析

宋戈, 许静平, 羊亚平

Electromagnetic modes in a three-layered structure made of single-negative materials

Song Ge, Xu Jing-Ping, Yang Ya-Ping
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  • 本文分析了由负介电常数材料和负磁导率材料交替排列组成的一维三层结构中的电磁波模式,包括传播模及波导模.传播模对应于入射的行波模,着重研究了发生共振隧穿时场分布和透射谱随入射角度的变化关系,发现改变结构参数时共振隧穿频率会劈裂成两个,且这两个隧穿模的频率间距随着中间层厚度的减小而逐渐加大.波导模是指在结构两边的半无限真空中以倏逝场形式存在的电磁模式,分析了它的存在条件即色散关系,发现这种模在材料的交界面处会出现较强的局域场.
    The modes in a three-layered structure made of single-negative materials have been investigated. For the propagation mode, the tunneling mode can be formed in the structure. When tunneling mode appears the variations of electric field distribution and the transmission with incident angle are studied. We find that there appear two new localized modes when the thickness of the middle layer changes. The frequency interval of the two localized modes can be increased by decreasing the thickness of the middle layer. For the guided mode, the electromagnetic wave is evanescent in semi-infinite vacuum which is on the both sides of the structure. We have analyzed the existence condition of its electromagnetic mode,that is, the dispersion relation. The result shows that a strong local field appears in the interface of the material.
    • 基金项目: 国家重点基础研究发展计划项目(批准号:2007CB613201, 2011CB922203),国家自然科学基金(批准号:91021012)和同济大学青年优秀人才培养行动计划(2009KJ068)资助的课题.
    [1]

    Guan G S, Jiang H T, Li H Q, Zhang Y W, Chen H, Zhu S Y 2006 Appl. Phys. Lett. 88 211112

    [2]

    Xu J P, Wang L G, Yang Y P 2006 Acta Phys. Sin. 55 2765 (in Chinese) [许静平、王立刚、羊亚平 2006 物理学报 55 2765]

    [3]

    Jiang H T, Chen H, Li H Q, Zhang Y W, Zhu S Y 2003 Appl. Phys. Lett. 83 5386

    [4]

    Jiang H T, Chen H, Li H Q, Zhang Y W, Zi J, Zhu S Y 2004 Phys. Rev. E 69 066607

    [5]

    Jiang H T, Chen H, Li H Q, Zhang Y W, Zhu S Y 2005 J. Appl. Phys. 98 013101

    [6]

    Jiang H T, Chen H, Zhu S Y 2006 Phys. Rev. E 73 046601

    [7]

    Deng X H, Liu N H, Liu G Q 2007 Acta Phys. Sin. 56 7280 (in Chinese) [邓新华、刘念华、刘根泉 2007 物理学报 56 7280] 〖8] Alù A, Engheta N 2003 IEEE Trans. Antennas Propag. 51 2558

    [8]

    Dong L J, Jiang H T, Yang C Q, Shi Y L 2007 Acta Phys. Sin. 56 4657 (in Chinese) [董丽娟、江海涛、杨成全、石云龙 2007 物理学报 56 4657]

    [9]

    Ruppin R 2000 Phys. Lett. A 277 61

    [10]

    Ruppin R 2001 J. Phys.: Condens. Matter 13 1811

    [11]

    Chen L, He S L, Shen L F 2003 Acta Phys. Sin. 52 2386 (in Chinese) [陈 龙、何赛灵、沈林放 2003 物理学报 52 2386]

    [12]

    Zhang R, Yang Y P 2010 Acta Phys. Sin. 59 2451 (in Chinese) [张 睿、羊亚平 2010 物理学报 59 2451]

    [13]

    Eleftheriades G V, Iyer A K, Kremer P C 2002 IEEE Trans. Microwave Theor. Technol. 50 2702

  • [1]

    Guan G S, Jiang H T, Li H Q, Zhang Y W, Chen H, Zhu S Y 2006 Appl. Phys. Lett. 88 211112

    [2]

    Xu J P, Wang L G, Yang Y P 2006 Acta Phys. Sin. 55 2765 (in Chinese) [许静平、王立刚、羊亚平 2006 物理学报 55 2765]

    [3]

    Jiang H T, Chen H, Li H Q, Zhang Y W, Zhu S Y 2003 Appl. Phys. Lett. 83 5386

    [4]

    Jiang H T, Chen H, Li H Q, Zhang Y W, Zi J, Zhu S Y 2004 Phys. Rev. E 69 066607

    [5]

    Jiang H T, Chen H, Li H Q, Zhang Y W, Zhu S Y 2005 J. Appl. Phys. 98 013101

    [6]

    Jiang H T, Chen H, Zhu S Y 2006 Phys. Rev. E 73 046601

    [7]

    Deng X H, Liu N H, Liu G Q 2007 Acta Phys. Sin. 56 7280 (in Chinese) [邓新华、刘念华、刘根泉 2007 物理学报 56 7280] 〖8] Alù A, Engheta N 2003 IEEE Trans. Antennas Propag. 51 2558

    [8]

    Dong L J, Jiang H T, Yang C Q, Shi Y L 2007 Acta Phys. Sin. 56 4657 (in Chinese) [董丽娟、江海涛、杨成全、石云龙 2007 物理学报 56 4657]

    [9]

    Ruppin R 2000 Phys. Lett. A 277 61

    [10]

    Ruppin R 2001 J. Phys.: Condens. Matter 13 1811

    [11]

    Chen L, He S L, Shen L F 2003 Acta Phys. Sin. 52 2386 (in Chinese) [陈 龙、何赛灵、沈林放 2003 物理学报 52 2386]

    [12]

    Zhang R, Yang Y P 2010 Acta Phys. Sin. 59 2451 (in Chinese) [张 睿、羊亚平 2010 物理学报 59 2451]

    [13]

    Eleftheriades G V, Iyer A K, Kremer P C 2002 IEEE Trans. Microwave Theor. Technol. 50 2702

计量
  • 文章访问数:  8217
  • PDF下载量:  849
  • 被引次数: 0
出版历程
  • 收稿日期:  2010-07-06
  • 修回日期:  2010-09-14
  • 刊出日期:  2011-07-15

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