Abstract
Metasheet structures together with bulk composite dielectric layers can be used for antenna radomes, absorbers, and band gap structures. Transmission (T) and reflection (Γ) coefficients for a plane wave incident at any angle upon a metasheet embedded in a dielectric layer are considered. These metasheets are either patch-type or an aperture-type, and they can be either single-layered or multi-layered. To calculate T and Γ for a patch-type metasheet, a concise unified matrix approach is derived using the Generalized Sheet Transition Conditions (GSTC). The Babinet duality principle is utilized to get T and Γ for single-layered aperture-type metasheets (as complementary to the patch-type ones) at an arbitrary angle of incidence. The T-matrix approach is applied to calculate characteristics of multilayered metasheet structures containing a cascade of metasheets and dielectric slabs. In this paper, the minimum distance for neglecting higher-order evanescent mode interactions between the metasheets has been determined. Computed results based on the proposed analytical approach are compared with the full-wave numerical simulations. The analytical results are verified for satisfying the energy balance condition.
| Original language | American English |
|---|---|
| Journal | Progress In Electromagnetics Research B |
| DOIs | |
| State | Published - Jul 4 2012 |
Keywords
- A-Plane
- Analytical Approach
- Analytical Results
- Antenna Radomes
- Arbitrary Angles
- Band Gap Structure
- Bulk Composites
- Dielectric Layer
- Dielectric Slabs
- Duality Principle
- Evanescent Mode
- Matrix Approach
- Minimum Distance
- Multi-Layered
- T-Matrix
- Transition Conditions
- Radiation
- Condensed Matter Physics
Disciplines
- Electrical and Computer Engineering
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