Performance Enhancement of THz Antenna with Reduced Size of Graphene Metasurface Unit Cell Structure Array

Nipun Sharma; Amrit Kaur

doi:10.17485/IJST/v16i40.1502

Article

Performance Enhancement of THz Antenna with Reduced Size of Graphene Metasurface Unit Cell Structure Array

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Indian Journal of Science and Technology

DOI: 10.17485/IJST/v16i40.1502

Year: 2023, Volume: 16, Issue: 40, Pages: 3507-3514

Original Article

Performance Enhancement of THz Antenna with Reduced Size of Graphene Metasurface Unit Cell Structure Array

Nipun Sharma^1*, Amrit Kaur¹

¹Electronics and Communication Engineering Department Punjabi University, Patiala, Punjab, India

*Corresponding Author
Email: [email protected]

Received Date:19 June 2023, Accepted Date:01 October 2023, Published Date:27 October 2023

This work is licensed under a Creative Commons Attribution 4.0 International License.

Abstract

Objectives: To design a metasurface layer of graphene unit cells with reduced surface area by incorporating different geometry of unit cell. Methods: The metasurface layer in the form of unit cell array is traditionally made of very simple geometry like square unit cell to limit design complexity. However, if the unit cell structure geometry is changed to triangular shape, it reduces the total surface area of the metasurface layer, thereby saving the graphene material. The proposed design is not only reduces the size of the metasurface layer of THz antenna but also enhances the performance of the antenna. Findings: The single square unit cell structure has 337.46 µm2 area and an array of 9 x 9 such unit cells consume 27334.26 µm2area. On the other hand, a single triangular unit cell design is 123.94 µm2 and an array of 9 x 9 such unit cells consume only 10039.14 µm2 area which is a saving of 63.35 % metasurface material. Novelty: The proposed antenna design in the paper compares the existing designs for better bandwidth, better return loss and reduction in the total surface area utilized by the metasurface layer and delivers a better performance.

Keywords: Microstrip Patch Antenna, Thz Antenna, Metasurface, Unit Cell Structure, Wide Band Antenna

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Copyright

© 2023 Sharma & Kaur. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited. Published By Indian Society for Education and Environment (iSee)