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- Title
Broadband Linear to Circular Polarizer Based on Multilayer Frequency-Selective Surface.
- Authors
Yuan, Yi; Ding, Jun; Huang, Chao; Ma, Xia; Qu, Xun; Guo, Chenjiang
- Abstract
In this work, a transmission polarizer is described by using a frequency-selective surface to transform linearly polarized waves into circularly polarized waves. The linear to circular (LTC) polarizer consists of four layers. Two types of unit cells are designed in the LTC polarizer to improve design freedom. As a result, two orthogonal polarized components of transmission waves display nearly 90° phase differences while maintaining nearly high transparency for the generation of CPWs. The less than 3 dB axial ratio with a fractional width of over 76.8% from 9.20 to 20.67 GHz for this LTC polarizer is obtained. Even when the incident angle reaches 20°, its operating frequency band covers 9.69 to 20.21 GHz. Compared with the converters proposed before, the one proposed in this paper has a wider bandwidth. In order to evaluate the design strategy, a prototype is manufactured and tested. The results of the simulation and the experiment are in good accord.
- Subjects
FREQUENCY selective surfaces; CIRCULAR polarizers; UNIT cell; ELECTRIC current rectifiers
- Publication
International Journal of Antennas & Propagation, 2023, p1
- ISSN
1687-5869
- Publication type
Article
- DOI
10.1155/2023/8624191