Analyzing Skewed Helical Gratings on Dielectric Pipes for Holographic Antennas
Author Information
Author(s): Ng Mou Kehn Malcolm, Lin Ting-Wei, Chen Wei-Chuan, Zhou Yongjin, Tang Wenxuan
Primary Institution: Institute of Communications Engineering, National Yang Ming Chiao Tung University, Hsinchu, Taiwan
Hypothesis
Can the asymptotic strip boundary conditions be effectively used to analyze skewed helical gratings on dielectric pipes for cylindrical metasurfaces?
Conclusion
The study successfully demonstrates that skewed helical gratings can be analyzed to design effective cylindrical holographic antennas.
Supporting Evidence
- The results computed by the proposed technique were compared favorably with simulations from a software solver.
- Manufactured prototypes were measured, showing good agreement with theoretical predictions.
- The study introduces a novel method for beam steering without changing the cylindrical structure.
Takeaway
This study looks at how to make antennas that can change direction by adjusting the angle of their helical parts, which helps in sending signals better.
Methodology
The study uses asymptotic strip boundary conditions and vector potential analysis to analyze the helical gratings.
Limitations
The study may not account for all practical fabrication challenges and measurement errors.
Digital Object Identifier (DOI)
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