Relation Between Reflection Phase and Surface-Wave Bandgap in Artificial Magnetic Conductors

The relationship between the phase of the reflection coefficient and the surface-wave bandgap in planar artificial magnetic conductors (AMCs) is investigated. The periodic surface of the AMC is modeled as a surface impedance and the plane-wave reflection coefficients and the supported surface waves...

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Bibliographic Details
Published in:IEEE transactions on microwave theory and techniques 2011-08, Vol.59 (8), p.1901-1908
Main Authors: Samani, M. F., Borji, A., Safian, R.
Format: Article
Language:English
Subjects:
Applied sciences
Artificial magnetic conductors (AMCs)
Conductors
Diffraction, scattering, reflection
Dispersion
electromagnetic-bandgap (EBG) structures
Electronic tubes, masers
Electronics
Exact sciences and technology
Harmonic analysis
Impedance
Joints
Materials
Mathematical model
Mathematical models
Microwaves
periodic surfaces
Photonic band gap
Radiocommunications
Radiowave propagation
Reflection
Reflection coefficient
reflection phase
Surface impedance
Surface waves
Telecommunications
Telecommunications and information theory
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Summary:The relationship between the phase of the reflection coefficient and the surface-wave bandgap in planar artificial magnetic conductors (AMCs) is investigated. The periodic surface of the AMC is modeled as a surface impedance and the plane-wave reflection coefficients and the supported surface waves are obtained by this model. Next, the connection between the phase of the reflection coefficient in the fast-wave region and the occurrence of bandgap in the slow-wave region is demonstrated. Theoretical results are verified numerically for two typical AMCs.
ISSN:0018-9480
1557-9670
DOI:10.1109/TMTT.2011.2157353