Toroidal response in all-dielectric metamaterials based on water

被引：58

作者：

Stenishchev, Ivan V. ^{[1
,2
]}

Basharin, Alexey A. ^{[1
,2
]}

机构：

[1] Natl Univ Sci & Technol MISiS, Lab Superconducting Metamat, Moscow 119049, Russia

[2] Natl Univ Sci & Technol MISiS, Dept Theoret Phys & Quantum Technol, Moscow 119049, Russia

来源：

SCIENTIFIC REPORTS | 2017年 / 7卷

基金：

俄罗斯基础研究基金会;

关键词：

DIPOLAR RESPONSE;

D O I：

10.1038/s41598-017-07399-y

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

We experimentally demonstrate for the first time the toroidal dipolar response in metamaterials based on clusters of cylindrical dielectric particles in microwave frequency range. Instead of expensive ceramic elements we used distilled water with permittivity at room temperature is about 75, while the dielectric loss tangent is not large at frequencies up to 4 GHz. Moreover, we show all-dielectric metamaterial consisting of water box with hollow tubes which is more practical for future applications. Our findings also demonstrate that the proposed ideas can be applicable in optics with low-index dielectrics.

引用

页数：9

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