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Potential Due to a Polarized Object01:29

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Polarization-Insensitive, High-Efficiency Metasurface with Wide Reception Angle for Energy Harvesting Applications.

Abdulrahman Ahmed Ghaleb Amer1, Nurmiza Othman1, Mohammed M Bait-Suwailamn2,3

  • 1Faculty of Electrical and Electronic Engineering, Universiti Tun Hussein Onn Malaysia (UTHM), Batu Pahat 86400, Johor, Malaysia.

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Summary

This study introduces a novel metasurface harvester for efficient 5 GHz energy harvesting. It demonstrates high, polarization-insensitive performance across wide angles, ideal for wireless power applications.

Keywords:
electromagnetic energy harvestinghigher conversion efficiencymetasurfacepolarization-insensitivewide-angle

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Area of Science:

  • Electromagnetics and Metamaterials
  • Energy Harvesting Technologies

Background:

  • Metasurfaces (MS) offer unique electromagnetic properties for advanced applications.
  • Efficient energy harvesting at 5 GHz is crucial for powering wireless sensor networks.
  • Polarization sensitivity and limited reception angles hinder conventional harvester performance.

Purpose of the Study:

  • To design and validate a polarization-insensitive metasurface harvester for 5 GHz energy harvesting.
  • To achieve high harvesting efficiency over wide reception angles.
  • To enable efficient power solutions for next-generation wireless applications.

Main Methods:

  • A novel wheel-shaped resonator array was designed for the metasurface.
  • The symmetrical structure ensures polarization insensitivity.
  • Fabrication and experimental testing of a 5x5 unit cell array validated the design.

Main Results:

  • The metasurface harvester achieved near-unity harvesting efficiency (>94% at normal incidence).
  • Superior performance was maintained across various incident angles for both TE and TM polarizations.
  • Experimental results showed excellent agreement with simulation data.

Conclusions:

  • The developed metasurface harvester offers polarization insensitivity and wide-angle efficiency.
  • This technology presents a compelling solution for powering wireless sensor networks.
  • The research advances metasurface applications in efficient electromagnetic energy harvesting.