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Double Negative Left-Handed Metamaterials for Miniaturization of Rectangular Microstrip Antenna
Author(s) -
Ghanshyam Singh
Publication year - 2010
Publication title -
journal of electromagnetic analysis and application
Language(s) - English
Resource type - Journals
eISSN - 1942-0749
pISSN - 1942-0730
DOI - 10.4236/jemaa.2010.26044
Subject(s) - metamaterial , miniaturization , materials science , metamaterial antenna , permittivity , microstrip , slab , microstrip antenna , dielectric , patch antenna , split ring resonator , optoelectronics , optics , antenna (radio) , physics , computer science , telecommunications , coaxial antenna , nanotechnology , geophysics
In this paper, I have explored a significant concept for the miniaturization of microstrip patch antenna configuration by using the double negative (DNG) left-handed Metamaterials, which have dielectric permittivity and magnetic permeability both negative, simultaneously. It is achieved through the concept of phase-compensation by thin slab consist of the double positive (DPS) material, which have dielectric permittivity and magnetic permeability both positive, simultaneously and DNG metamaterials as a substrate of the microstrip patch antenna. By combining the DNG metamaterial slab with the slab made of DPS materials form a cavity resonator whose dispersion relation is independent of the sum of thickness of the slabs filling this cavity but it depends on the ratio of their thicknesses. This cavity constitutes by DPS and DNG material is used as substrate of the microstrip antennas and the DNG material slab is behave as phase compensator

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