Abstract
Accurate numerical analysis of electrically small structures embedded in a layered medium is presented in this letter. In our approach, the matrix-friendly layered medium Green's function is implemented for its elegant expression and singularity of lowest order. The current is decomposed into divergence-free part and nondivergence-free part according to quasi-Helmholtz decomposition when frequency tends to zero, to capture both capacitance and inductance physics. Frequency normalization is applied after analyzing frequency scaling properties of different blocks of the matrix system. Similar to the free space case, connection matrix is utilized to make the electro-quasi-static block amenable to iterative solvers.
| Original language | English (US) |
|---|---|
| Pages (from-to) | 1304-1308 |
| Number of pages | 5 |
| Journal | Microwave and Optical Technology Letters |
| Volume | 51 |
| Issue number | 5 |
| DOIs | |
| State | Published - May 2009 |
| Externally published | Yes |
Keywords
- Layered medium
- Loop-tree decomposition
- Low frequency
- Matrix-friendly formulation
ASJC Scopus subject areas
- Electronic, Optical and Magnetic Materials
- Atomic and Molecular Physics, and Optics
- Condensed Matter Physics
- Electrical and Electronic Engineering
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