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首页> 外文期刊>Journal of Physics, D. Applied Physics: A Europhysics Journal >Magnetically coupled Fano resonance of dielectric pentamer oligomer
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Magnetically coupled Fano resonance of dielectric pentamer oligomer

机译：电介质五聚体低聚物的磁耦合FANO共振

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摘要

We present magnetically induced Fano resonance inside a dielectric metamaterial pentamer composed of ceramic bricks. Unlike previous reports where different sizes of dielectric resonators were essential to produce Fano resonance, under external magnetic field excitation, central and outer dielectric bricks with identical sizes exhibit in-phase and out-of-phase magnetic Mie oscillations. An asymmetric line shape of Fano resonance along with enhanced group delay is observed due to the interference between the magnetic resonance of the central brick and the symmetric magnetic resonance of outer bricks. Besides, Fano resonance blueshifts with the increasing resonance of the smaller central brick. The thermal-dependent permittivity of ceramics allows Fano resonance to be reversibly tuned by 300 MHz when temperature varies by 60 degrees C.
机译：我们在由陶瓷砖组成的电介质超材料五聚体内磁性诱导的FANO谐振。 与以前的报道不同，其中不同尺寸的介质谐振器是必然的，在外部磁场激励下，具有相同尺寸的中央和外部电介质砖表现出同相和异相磁性MIE振荡。 由于中央砖的磁共振与外砖的对称磁共振之间的干涉，观察到FANO谐振的不对称线形状以及增强的组延迟。 此外，Fano共振蓝色随着较小的中央砖的共振增加。 陶瓷的热依赖性介电常数允许扇形谐振在温度变化60摄氏度时可逆地调谐300 MHz。

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  • 作者

    Zhang Fuli; Li Chang; He Xuan; Chen Lei; Fan Yuancheng; Zhao Qian; Zhang Weihong; Zhou Ji;

  • 作者单位

    Northwestern Polytech Univ Minist Educ Key Lab Space Appl Phys &

    Chem Xian 710072 Peoples R China;

    Northwestern Polytech Univ Minist Educ Key Lab Space Appl Phys &

    Chem Xian 710072 Peoples R China;

    Northwestern Polytech Univ Minist Educ Key Lab Space Appl Phys &

    Chem Xian 710072 Peoples R China;

    Northwestern Polytech Univ Minist Educ Key Lab Space Appl Phys &

    Chem Xian 710072 Peoples R China;

    Northwestern Polytech Univ Minist Educ Key Lab Space Appl Phys &

    Chem Xian 710072 Peoples R China;

    Tsinghua Univ Dept Mech Engn State Key Lab Tribol Beijing 100084 Peoples R China;

    Northwestern Polytech Univ Sch Mech Engn Xian 710072 Peoples R China;

    Tsinghua Univ Dept Mat Sci &

    Engn State Key Lab New Ceram &

    Fine Proc Beijing 100084 Peoples R China;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 应用物理学;
  • 关键词

    metamaterial; temperature; Mie scattering;

    机译：超材料;温度;mie散射;

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