Manufacturing of 3D-metallic electromagnetic metamaterials for feedhorns used in radioastronomy and satellite communications
Javier De Miguel-Hernández, Roger J. Hoyland, Darío Sosa-Cabrera, Sebastiaan Deviaene, Pablo A. Fuerte-Rodríguez, Eduardo D. González-Carretero +1 · arXiv · 2019
A new metallic meta-ring electromagnetic metamaterial is theoretically justified and fabricated, enabling a compact prototype microwave antenna with a 2:1 bandwidth for radioastronomy and satellite communications.
Plain English summary
Why this matters
Key findings
- A new metallic meta-ring type is introduced for microwave electromagnetic metamaterials.
- Theoretical justification is provided, with a reported record bandwidth in cross-polarization.
- Manufacturability is explored for these metamaterials.
- A meta-ring was successfully fabricated.
- The fabricated meta-ring was applied to a compact prototype microwave antenna covering a 2:1 bandwidth.
Limitations
The abstract emphasizes theoretical justification and manufacturability; it does not specify detailed experimental performance metrics beyond the stated 2:1 bandwidth and cross-polarization bandwidth, nor does it describe long-term reliability, scaling, or full system-level validation.
Publication
- Publisher
- arXiv
- Publication date
- October 4, 2019
- Research type
- Preprint
- arXiv
- 1910.01828
- Access
- open
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