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A compact meta‐atom for dual band negative permittivity metamaterial
Author(s) -
Sarkhel Abhishek,
Mitra Debasis,
Paul Sandip,
Chaudhuri Sekhar Ranjan Bhadra
Publication year - 2015
Publication title -
microwave and optical technology letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.304
H-Index - 76
eISSN - 1098-2760
pISSN - 0895-2477
DOI - 10.1002/mop.29041
Subject(s) - metamaterial , permittivity , multi band device , atom (system on chip) , microwave , coupling (piping) , resonance (particle physics) , physics , materials science , atomic physics , optoelectronics , electrical engineering , dielectric , quantum mechanics , computer science , engineering , antenna (radio) , embedded system , metallurgy
In this letter, a compact design of electric meta‐atom has been proposed as a dual band negative permittivity metamaterial. Compared with the earlier work, the proposed dual band meta‐atom has a better coupling strength at both the resonances and it is also more compact. This dual band design utilizes the mechanism of the resonance coupling between a meander line loaded delta loop meta‐atom and a rectangular close ring meta‐atom. The proposed meta‐atom is designed and investigated by both simulation and experiment with good agreement. © 2015 Wiley Periodicals, Inc. Microwave Opt Technol Lett 57:1152–1156, 2015
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