Stacked complementary metasurfaces for ultraslow microwave metamaterials.

TitreStacked complementary metasurfaces for ultraslow microwave metamaterials.
Publication TypeJournal Article
Year of Publication2010
AuthorsNavarro-Cía, M, Aznabet, M, Beruete, M, Falcone, F, O. Mrabet, E, Sorolla, M, Essaaidi, M
JournalApplied Physics Letters
Mots-clésElectromagnetic waves, Metamaterials, Microwaves, Resonators, Simulation methods & models

We have experimentally realized at microwaves a dual-band ultraslow regime by constructing a metamaterial based upon the alternative stack of conventional- and complementary-split-ring-resonators-surfaces. The group delay reaches values larger than two orders of magnitude than those obtained when the electromagnetic wave propagates the same thickness in free-space. The ultraslow waves have been initially predicted by a numerical eigenmode analysis and finite-integration frequency domain simulations. Such ultraslow modes can be integrated into free-space technology for spatial delay lines, and traveling wave amplifier as well as sensors due to the enhanced interaction between different beams or radiation and matter. [ABSTRACT FROM AUTHOR]




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