A Near-Field Compatible Model for 2D Waveguide-Fed Metasurfaces
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arXiv
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| Main Authors: | , |
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| Format: | Preprint |
| Published: |
2026
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| _version_ | 1866914530593865728 |
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| author | Gavriilidis, Panagiotis Alexandropoulos, George C. |
| author_facet | Gavriilidis, Panagiotis Alexandropoulos, George C. |
| contents | This paper presents a novel physically consistent analytical model for two-dimensional (2D) waveguide-fed metasurface antennas that is based on the discrete dipole approximation. The proposed framework extends previous works deriving power-consistent constraints on the magnetic polarizability tensor, leading to closed-form expressions for the effective polarizabilities. The model is validated through full-wave simulations for multi-feed settings, and is extended to a near-field compatible~formulation enabling accurate predictions in the radiating near-field. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2605_03533 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | A Near-Field Compatible Model for 2D Waveguide-Fed Metasurfaces Gavriilidis, Panagiotis Alexandropoulos, George C. Signal Processing This paper presents a novel physically consistent analytical model for two-dimensional (2D) waveguide-fed metasurface antennas that is based on the discrete dipole approximation. The proposed framework extends previous works deriving power-consistent constraints on the magnetic polarizability tensor, leading to closed-form expressions for the effective polarizabilities. The model is validated through full-wave simulations for multi-feed settings, and is extended to a near-field compatible~formulation enabling accurate predictions in the radiating near-field. |
| title | A Near-Field Compatible Model for 2D Waveguide-Fed Metasurfaces |
| topic | Signal Processing |
| url | https://arxiv.org/abs/2605.03533 |