Navarro-Cía, M; Aznabet, M; Beruete, M; Falcone, F; Sorolla, M; El Mrabet, O; Essaaidi, M; (2010) Stacked complementary metasurfaces for ultraslow microwave metamaterials. Applied Physics Letters , 96 (16) 10.1063/1.3413958.
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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. © 2010 American Institute of Physics.
|Title:||Stacked complementary metasurfaces for ultraslow microwave metamaterials|
|UCL classification:||UCL > School of BEAMS > Faculty of Engineering Science > Electronic and Electrical Engineering|
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