Symmetrical Coupled Microstrip Lines With Epsilon Negative Metamaterial Loading

In this paper, we show how metallic plate inclusions can be used to enhance the coupling values of microstrip directional couplers. The analysis and the design of symmetrical coupled microstrip lines with high values of forward-wave coupling with a coupling length very small are presented. A quasi-s...

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Bibliographic Details
Published in:IEEE transactions on magnetics 2009-03, Vol.45 (3), p.1182-1185
Main Authors: Lauro, S.E., Toscano, A., Vegni, L.
Format: Article
Language:English
Subjects:
Circuits
Computer simulation
Coupling circuits
Cross-disciplinary physics: materials science
rheology
Design engineering
Dielectric materials
Electromagnetic waveguides
Exact sciences and technology
Frequency
Joining
Magnetism
Materials science
Mathematical models
Metamaterials
Microstrip
Microstrip couplers
Microstrip lines
Optical materials
Other topics in materials science
Physics
Plasma materials processing
plasma media
Plasma waves
Plates (structural members)
power dividers
Semiconductor materials
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Summary:In this paper, we show how metallic plate inclusions can be used to enhance the coupling values of microstrip directional couplers. The analysis and the design of symmetrical coupled microstrip lines with high values of forward-wave coupling with a coupling length very small are presented. A quasi-static circuit model of the structure is developed and physical insights on the operation of the proposed component and on the role of Epsilon NeGative (ENG) material slab loading are also given. Full wave numerical simulations are shown for different geometries.
ISSN:0018-9464
1941-0069
DOI:10.1109/TMAG.2009.2012547