Origami Reflectarray Antennas Integrating a Feed and Unit Cells on Polyhedral Surfaces
| Name | Year |
| Yi-Xin Lin | 2022 |
| Keywords | |
| Origami Technology, Reflectarray Antenna, Flexible Substrate, Polyhedral Structure, Inkjet Printing |
This paper proposes a reflectarry antenna for origami technology, which mainly integrates the feed antenna, reflector array and fixture on a flexible substrate, and is further folded into a final three-dimensional reflectarray antenna. The purpose is to avoid the difficulty of fixture manufacturing and alignment sensitivity of the traditional reflectarray antenna. The proposed technology will be demonstrated in two polyhedron structures, including: hexahedron and regular tetrahedron. And use inkjet printing technology prints conductors on the surface of the polyhedron, this technology will completely change the development of reflectarray antennas, because all components can be achieved by inkjet printing, and has an integrated structure. Among them, the patch antenna with coaxial feeding method is used as the feed source design, and its gain is 5.8 dBi. The normal incidence and oblique incidence reflectarrays composed of eight different unit cell structure, there are a total of 225 unit cells, and the aperture size is 99 × 99 mm2, the high gain of 9.3 and 7.3 dBi can be obtained at the operating frequency of 10 GHz, the half-power beam width of E-plane is 11°and 12°, and the half-power beam width of H-plane is 11°and 10°, respectively. The aperture efficiencies are 6.2 and 3.9%.
Publications
- Y.-X. Lin and Y.-S. Chen, “Broadband and high-gain antenna for frequency-coded chipless RFID handheld readers,” 2020 IEEE International Workshop on Electromagnetics (iWEM 2020), Makung, Taiwan, Aug. 2020, pp. 1‒2.
