各向异性全介质太赫兹谐振器的近场特性

I. Khromova, P. Kužel, I. Brener, J. Reno, U-Chan Chung Seu, C. Elissalde, M. Maglione, P. Mounaix, O. Mitrofanov
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引用次数: 0

摘要

利用近场时域太赫兹光谱技术提取了微米尺寸各向异性介质谐振器的固有特性。在≈30μm大小的单晶TiO2球中,磁偶极子模式对应的窄太赫兹共振由于材料的各向异性而分裂。在太赫兹全电介质超材料中,TiO2谐振腔的集成可以形成复杂的元原子,从而产生异常的电磁响应。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Near-field characterisation of anisotropic all-dielectric terahertz resonators
We extract the intrinsic properties of micrometre-sized anisotropic dielectric resonators through near-field time-domain terahertz spectorscopy. Narrow terahertz resonances corresponding to magnetic dipole modes in ≈ 30μm-sized mono-crystalline TiO2 spheres split due to material anisotropy. Ensembles of TiO2 resonators can form complex meta-atoms for unusual electromagnetic response in terahertz all-dielectric metamaterials.
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