Abstract
In this paper, a study of surface-wave (SW) excitation by means of a simple parallel-plate waveguide (PPW) for substrate integrated image guides (SIIGs) is proposed. As a proof of concept, a wideband, low profile and fully planar feeding network is designed. It consists of a surface-wave launcher (SWL) based on a truncated PPW with the addition of a sub-wavelength matching section. This method for SW excitation is intended to overcome the feeding limitations encountered when using SIIG-based antennas or other non-radiating structures at microwave frequencies. A comparison between the performance of the proposed excitation method and structures that can be found in the literature are reported showing an improved bandwidth of more than 50% with respect to previous studies. In addition, this simple feed system has a reduced volume of more than 95% when compared with other alternatives, demonstrating its compactness. Applications include new SW driven feeds, leaky-wave antennas, sensors, or novel passive structures.
| Original language | English |
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| Title of host publication | 2022 16th European Conference on Antennas and Propagation (EuCAP) |
| Publisher | Institute of Electrical and Electronics Engineers |
| ISBN (Electronic) | 9788831299046 |
| DOIs | |
| Publication status | Published - 11 May 2022 |
| Event | 16th European Conference on Antennas and Propagation, EuCAP 2022 - Madrid, Spain Duration: 27 Mar 2022 → 1 Apr 2022 |
Conference
| Conference | 16th European Conference on Antennas and Propagation, EuCAP 2022 |
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| Country/Territory | Spain |
| City | Madrid |
| Period | 27/03/22 → 1/04/22 |
Keywords / Materials (for Non-textual outputs)
- Parallel-plate Waveguide
- Substrate Integrated Image Guides
- Surface-wave Launchers
- Surface-waves