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Scattering engineering in continuously shaped metasurface: An approach for electromagnetic illusion
Yinghui Guo1, Lianshan Yan1, Wei Pan1
1Center for Information Photonics &Communications, School of Information Science &Technology, Southwest Jiaotong University, Chengdu, Sichuan, 610031, China.
Scientific Reports
|July 22, 2016
Summary
This study introduces a novel scattering-harness mechanism using continuous gradient phase from sinusoidal metallic strips. This method enables precise control over electromagnetic wave scattering for applications in wireless communications and stealth technology.
Area of Science:
- Electromagnetics and Metamaterials
- Applied Physics
Background:
- Controlling electromagnetic wave scattering is vital for wireless communications and stealth.
- Discrete metasurfaces present challenges in design, fabrication, and achieving simultaneous electric/optical functionality, often introducing phase noise.
Purpose of the Study:
- To propose a scattering-harness mechanism for electromagnetic wave control.
- To overcome limitations of discrete metasurfaces by utilizing continuous phase profiles.
- To achieve electromagnetic illusion by manipulating scattering characteristics.
Main Methods:
- Utilizing continuous gradient phase derived from spin-orbit interaction via sinusoidal metallic strips.
- Adjusting amplitude and period of sinusoidal metallic strips to alter scattering.
- Validation through full-wave simulations and experimental characterization in the microwave band.
Main Results:
- Demonstrated a method for controlling electromagnetic wave scattering using continuous phase profiles.
- Showcased the ability to induce electromagnetic illusion by tuning sinusoidal strip parameters.
- Achieved polarization-independent performance and facile implementation.
Conclusions:
- The proposed scattering-harness mechanism offers an effective approach to electromagnetic wave manipulation.
- Continuous phase profiles from sinusoidal metallic strips overcome phase noise issues.
- This technique holds potential for widespread applications in advanced electromagnetic wave control.
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