Abstract
This work concerns the design of perfectly conducting objects that are invisible to an incident transverse magnetic plane wave. The object in question is a finite planar waveguide with a finite periodic array of barriers. By optimizing this array, the amplitude of the scattered field is reduced to less than 10-9 times the amplitude of the incident plane wave everywhere outside the waveguide. To accurately evaluate such minute amplitudes, we employ a recently developed boundary integral equation technique, adapted for objects whose boundaries have endpoints, corners, and branch points.
| Original language | English |
|---|---|
| Pages (from-to) | 104-112 |
| Number of pages | 9 |
| Journal | IEEE Journal on Multiscale and Multiphysics Computational Techniques |
| Volume | 9 |
| DOIs | |
| Publication status | Published - 2024 |
Subject classification (UKÄ)
- Other Electrical Engineering, Electronic Engineering, Information Engineering
Free keywords
- band-pass filter
- boundary integral equation
- Cloaking
- frequency selective structure (FSS)
- invisibility
- loaded waveguide
- microwave propagation
- Nyström method
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