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Designing a wideband dielectric polygonal directional beam antenna using the ray inserting method
Applied Optics
|October 26, 2020
Summary
This study introduces a novel wideband directional beam antenna using inhomogeneous dielectric materials and a simplified fabrication process. The design, validated by the finite difference time domain scheme, offers improved performance for antenna applications.
Area of Science:
- Electromagnetics and Wave Propagation
- Antenna Theory and Design
- Materials Science
Background:
- Directional beam antennas are crucial for focused signal transmission.
- Achieving wideband characteristics often involves complex designs and materials.
- Existing fabrication methods can be costly and challenging.
Purpose of the Study:
- To design a wideband polygonal directional beam antenna.
- To simplify the fabrication of such antennas.
- To evaluate the antenna's performance using advanced simulation techniques.
Main Methods:
- Utilizing the ray inserting method for antenna design.
- Employing inhomogeneous dielectric material for wideband performance.
- Implementing isotropic and above unity refractive index materials.
- Employing the finite difference time domain (FDTD) scheme for evaluation.
Main Results:
- Successful design of a wideband polygonal directional beam antenna.
- Demonstration of simplified fabrication using accessible materials.
- Validation of the design through FDTD simulations.
Conclusions:
- The proposed antenna design offers a practical solution for wideband directional beam applications.
- The use of inhomogeneous dielectric materials and simplified fabrication enhances its feasibility.
- The FDTD method effectively validates the antenna's performance characteristics.
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