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Towards left-handed metamaterials using single-size dielectric resonators: The case of TiO2-disks at millimeter wavelengths

Abstract : We report a strong magnetic activity using an all-dielectric metamaterial based on Mie resonances, designed to work at millimeter wavelengths over the 30-70 GHz band. A good agreement was achieved between numerical simulations and experiment in the case of one meta-layer based on TiO2-disks, manufactured using a simple bottom-up approach. We also demonstrate through numerical simulations a negative refractive index within the same investigated metamaterial made of high dielectric permittivity single-size pellets. Choosing the suitable aspect-ratio of the metamaterial building blocks, a broadband magnetic response and a left-handed behavior are simultaneously obtained. This is a promising step towards innovative and complex electromagnetic functions, involving cheap and easy made metamaterials for millimeter wave applications.
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https://hal.archives-ouvertes.fr/hal-00727750
Contributor : Bernadette Bergeret <>
Submitted on : Tuesday, September 4, 2012 - 12:12:52 PM
Last modification on : Wednesday, May 27, 2020 - 2:30:07 PM

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Riad Yahiaoui, U-Chan Chung, Catherine Elissalde, Mario Maglione, Valérie Vigneras, et al.. Towards left-handed metamaterials using single-size dielectric resonators: The case of TiO2-disks at millimeter wavelengths. Applied Physics Letters, American Institute of Physics, 2012, 101 (4), pp.042909 (1-4). ⟨10.1063/1.4739498⟩. ⟨hal-00727750⟩

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