CST – Computer Simulation Technology

Stacked complementary metasurfaces for ultraslow microwave metamaterials

Title:
Stacked complementary metasurfaces for ultraslow microwave metamaterials
Author(s):
M. Navarro-Cía, M. Aznabet, M. Beruete, F. Falcone, O. El Mrabet
Source:
Applied Physics Letters
Vol./Issue/Date:
Volume: 96, Issue: 16, April 2010
Year:
2010
Page(s):
164103 - 164103-3
Abstract:
We have experimentally realized at microwaves a dual-band ultraslow regime by constructing a metamaterial based upon the alternative stack of conventional- and complementarysplit-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.
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