在太赫兹频率区域使用超材料的波长选择滤波器

2015 IEEE International Symposium on Radio-Frequency Integration Technology (RFIT) Pub Date : 2015-08-01 DOI:10.1109/RFIT.2015.7377887

Y. Kanamori

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引用次数: 0

摘要

介绍了两种超材料滤光片。首先，在太赫兹频段实验证明了具有类似电磁感应透明效应的电磁感应透明(EIT)超材料，并对其透射特性进行了评价。EIT超材料由一个偶极子谐振器和一个四极子谐振器组成，并且在两个谐振器之间有一个间隙。在1.5 THz附近，隙距为3.1 μm的EIT超材料的透射率为82.0%。其次，制备了不同尺寸的超材料吸收体，并对其在太赫兹频段的吸收特性进行了测量。在1.5 THz下实验得到90%的吸收率。

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Wavelength selective filters using metamaterials in terahertz frequency region

Two kinds of metamaterial filters were described. First, electromagnetically induced transparency (EIT) metamaterials having EIT-like effects were experimentally demonstrated in terahertz frequency region, and their transmittance characteristics were evaluated. An EIT metamaterial consisted of a dipole resonator and a quadrupole resonator and had a gap between two resonators. At frequencies around 1.5 THz, EIT-like effects with transmittance of 82.0% were observed for EIT metamaterials with the gap distance of 3.1 μm. Second, metamaterial absorbers with various sizes were fabricated and the absorption property was measured in terahertz frequency region. 90% of absorption was experimentally obtained at 1.5 THz.

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2015 IEEE International Symposium on Radio-Frequency Integration Technology (RFIT)

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