Design of perfectly conducting objects that are invisible to an incident plane wave
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arXiv
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| Hauptverfasser: | , , |
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| Format: | Preprint |
| Veröffentlicht: |
2023
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| _version_ | 1866911791260368896 |
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| author | Helsing, Johan Jiang, Shidong Karlsson, Anders |
| author_facet | Helsing, Johan Jiang, Shidong Karlsson, Anders |
| contents | 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. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2310_06132 |
| institution | arXiv |
| publishDate | 2023 |
| record_format | arxiv |
| spellingShingle | Design of perfectly conducting objects that are invisible to an incident plane wave Helsing, Johan Jiang, Shidong Karlsson, Anders Computational Physics 78A50, 78M15, 65N38, 31A10 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. |
| title | Design of perfectly conducting objects that are invisible to an incident plane wave |
| topic | Computational Physics 78A50, 78M15, 65N38, 31A10 |
| url | https://arxiv.org/abs/2310.06132 |