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Terahertz filters based on frequency selective surfaces for high-speed terahertz switch

机译:基于频率选择表面的太赫兹滤波器,用于高速太赫兹开关

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摘要

We design and fabricate two terahertz (THz) filters based on frequency selective surfaces' structures (FSSs) on single crystal sapphire substrate, which show high and low transmissivities to THz electromagnetic waves, respectively. The difference of THz transmissivity between two filters reaches up to 72% at the resonance frequency of 1.35 THz. The THz filtering effect is due to the resonant coupling between THz wave and periodic metallic elements and the filter operating frequency can be tuned systematically by the geometry of FSSs. The good agreement between experiments and finite difference time domain simulation indicates that a high-speed THz switch could be realized for THz active devices based on the FSSs.
机译:我们基于蓝宝石衬底上的频率选择表面结构(FSSs)设计和制造两个太赫兹(THz)滤波器,分别对THz电磁波具有高和低的透射率。在1.35 THz的谐振频率下,两个滤波器之间的THz透射率差异高达72%。太赫兹滤波效应是由于太赫兹波与周期性金属元素之间的共振耦合,并且滤波器工作频率可以通过FSS的几何形状进行系统地调整。实验与时域有限差分仿真之间的良好一致性表明,基于FSS的THz有源器件可以实现高速THz开关。

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  • 来源
    《Journal of Applied Physics》 |2013年第1期|014504.1-014504.4|共4页
  • 作者单位

    Key Laboratory of Nanodevices and Applications, Suzhou Institute of Nano-tech and Nano-bionics, Chinese Academy of Sciences, Suzhou, Jiangsu 215123, People's Republic of China;

    Key Laboratory of Nanodevices and Applications, Suzhou Institute of Nano-tech and Nano-bionics, Chinese Academy of Sciences, Suzhou, Jiangsu 215123, People's Republic of China;

    Key Laboratory of Nanodevices and Applications, Suzhou Institute of Nano-tech and Nano-bionics, Chinese Academy of Sciences, Suzhou, Jiangsu 215123, People's Republic of China;

    Key Laboratory of Nanodevices and Applications, Suzhou Institute of Nano-tech and Nano-bionics, Chinese Academy of Sciences, Suzhou, Jiangsu 215123, People's Republic of China;

    Key Laboratory of Nanodevices and Applications, Suzhou Institute of Nano-tech and Nano-bionics, Chinese Academy of Sciences, Suzhou, Jiangsu 215123, People's Republic of China;

    Key Laboratory of Nanodevices and Applications, Suzhou Institute of Nano-tech and Nano-bionics, Chinese Academy of Sciences, Suzhou, Jiangsu 215123, People's Republic of China;

    Key Laboratory of Nanodevices and Applications, Suzhou Institute of Nano-tech and Nano-bionics, Chinese Academy of Sciences, Suzhou, Jiangsu 215123, People's Republic of China;

    Key Laboratory of Nanodevices and Applications, Suzhou Institute of Nano-tech and Nano-bionics, Chinese Academy of Sciences, Suzhou, Jiangsu 215123, People's Republic of China;

    Key Laboratory of Nanodevices and Applications, Suzhou Institute of Nano-tech and Nano-bionics, Chinese Academy of Sciences, Suzhou, Jiangsu 215123, People's Republic of China;

    Key Laboratory of Nanodevices and Applications, Suzhou Institute of Nano-tech and Nano-bionics, Chinese Academy of Sciences, Suzhou, Jiangsu 215123, People's Republic of China;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
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