Additive manufacturing of metamaterials in 6G communication based on ink-jet printing

Qihan Gao; Yangyang Li; Jiarui Hu; Yuping Yang

doi:10.1117/12.3046006

13 December 2024 Additive manufacturing of metamaterials in 6G communication based on ink-jet printing

Qihan Gao, Yangyang Li, Jiarui Hu, Yuping Yang

Author Affiliations +

Proceedings Volume 13495, AOPC 2024: Terahertz Technology and Applications; 1349506 (2024) https://doi.org/10.1117/12.3046006
Event: Applied Optics and Photonics China 2024 (AOPC2024), 2024, Beijing, China

Abstract

The conventional approaches to sub-terahertz metamaterial (MM) fabrication, which rely heavily on lithography and etching techniques, pose significant challenges in terms of costs, material consumption, and the complexity of the processes. To address these issues, there is an urgent need for enhancing efficiency and environmental sustainability in MM production. Thus, we explore a rapid customization approach utilizing ink-jet printing technology (IJPT) to achieve additive manufacturing of MMs for signal selectivity in 6G communication. The proposed MMs comprise two primary units: one double-split ring (DSR) hollowed MM (MM-1) is designed to realize band-pass filtering, while the other dumbbell-shaped MM (MM-2) has a band-stop filtering response. By adaptively adjusting the nozzle voltage between 14 and 22 V, we ensure a consistent line width of approximately 200 μm, enabling an effective frequency selection characteristic within the sub-terahertz band. Through altering the scale factor of MM-1, we achieve a frequency tuning from 61.00 to 72.75 GHz, with an optimal Q value of 27.71. Similarly, the periodic size of MM-2 results in a frequency shift from 76.58 to 91.10 GHz, with a maximum Q value of 11.26. Measured and simulated results for the MMs are in close agreement. The experimental results validate the feasibility of IJPT as an effective method for processing sub-terahertz MMs, emphasizing the great potential for optimizing6Gcommunication systems and signal filtering applications.

(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Qihan Gao, Yangyang Li, Jiarui Hu, and Yuping Yang "Additive manufacturing of metamaterials in 6G communication based on ink-jet printing", Proc. SPIE 13495, AOPC 2024: Terahertz Technology and Applications, 1349506 (13 December 2024); https://doi.org/10.1117/12.3046006

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KEYWORDS

Tunable filters

Printing

Fabrication

Additive manufacturing

Design

Linear filtering

Silver

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