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Updated: Jul 9, 2025
09:33
Demonstration of Equal-Intensity Beam Generation by Dielectric Metasurfaces
Published on: June 7, 2019
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A conformal beam splitter with polarization transformation operation.
Fahad Ahmed1, Hattan Abutarboush2, Naveed Ashraf3
1National Institute for Scientific Research (INRS), University du Quebec, Montréal, Canada.
Scientific Reports
|December 8, 2023
Summary
This study presents a flexible frequency selective surface (FSS) that splits and transmits electromagnetic waves. This multifunctional device operates across multiple bands and maintains stability at various angles, offering potential for advanced applications.
Area of Science:
- Electromagnetics
- Materials Science
- Metamaterials
Background:
- Frequency Selective Surfaces (FSS) are crucial for controlling electromagnetic wave propagation.
- Existing FSS designs often lack flexibility, multi-band operation, and polarization control.
- The development of novel FSS with enhanced functionalities is essential for next-generation communication and sensing systems.
Purpose of the Study:
- To design, model, analyze, and test a multifunctional beam-splitting frequency selective surface (FSS).
- To investigate the FSS's performance in transmission and reflection modes across different frequency bands.
- To evaluate the FSS's angular stability and its capability for simultaneous beam splitting and quarter-wave operation.
Main Methods:
- Fabrication of a C-shaped split-ring resonator on a flexible polyimide substrate.
- Electromagnetic simulation and analysis of the FSS unit cell.
- Experimental testing of the FSS in transmission and reflection modes to validate performance.
Main Results:
- The proposed FSS exhibits dual-band operation, reflecting and transmitting half of the incident wave at 5.8-6.2 GHz and 18.5-22 GHz.
- The FSS demonstrates angular stability up to 40 degrees.
- Simultaneous beam splitting and quarter-wave operation were achieved between 16.5-18.2 GHz.
Conclusions:
- The developed flexible FSS offers multi-band performance, angular stability, and polarization transformation capabilities.
- This specialized component is suitable for electromagnetic wave manipulation in diverse applications.
- The FSS design shows significant potential for integration into advanced antenna systems, radar, and wireless communication technologies.
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