Toroidal dipole dielectric metasurfaces for mechanically tunable polarization beam splitting

被引：0

作者：

Zografopoulos, D. C. ^{[1
]}

Algorri, J. F. ^{[2
,3
,4
]}

Fuscaldo, W. ^{[1
]}

Lopez-Higuera, J. M. ^{[2
,3
,4
]}

Vergaz, R. ^{[5
]}

Sanchez-Pena, J. M. ^{[5
]}

Karolos, I. -A. ^{[6
]}

Beccherelli, R. ^{[1
]}

Tsioukas, V. E. ^{[6
]}

Yioultsis, T. V. ^{[7
]}

Kriezis, E. E. ^{[7
]}

机构：

[1] CNR, Ist Microelettron & Microsistemi, I-00133 Rome, Italy

[2] Univ Cantabria, Photon Engn Grp, Santander 39005, Spain

[3] Inst Salud Carlos III Madrid, CIBER Bbn, Madrid 28029, Spain

[4] Inst Invest Sanitaria Valdecilla IDIVA, Santander 39011, Spain

[5] Carlos III Univ Madrid, Dept Elect Technol, Madrid 28911, Spain

[6] Aristotle Univ Thessaloniki, Sch Rural & Surveying Engn, Thessaloniki 54124, Greece

[7] Aristotle Univ Thessaloniki, Sch Elect & Comp Engn, Thessaloniki 54124, Greece

来源：

2023 17TH EUROPEAN CONFERENCE ON ANTENNAS AND PROPAGATION, EUCAP | 2023年

基金：

巴西圣保罗研究基金会;

关键词：

dielectric metasurfaces; toroidal dipole resonances; polarization beam steering; microwave components;

D O I：

10.23919/EuCAP57121.2023.10133452

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

An all-dielectric metasurface composed of high-permittivity ceramic cuboid resonators embedded in polylactic acid is investigated as an angular-dependent polarization beam splitter in the K-band. The operation is based on a strong toroidal resonance with a highly asymmetric Fano profile and the very low (high) dispersion of the associated p-(s-) polarized mode stemming from the particular field profile of the toroidal mode. Large extinction ratios, low insertion losses, and mechanically tunable polarization beam splitting ratio are experimentally demonstrated.

引用

页数：3

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