Simulation study on terahertz modulation with single-walled carbon nanotube array

Lin Zhao; Huiyu Li; Sen Liu; Yang Cao

doi:10.1117/12.3039074

8 November 2024 Simulation study on terahertz modulation with single-walled carbon nanotube array

Lin Zhao, Huiyu Li, Sen Liu, Yang Cao

Author Affiliations +

Proceedings Volume 13247, Infrared, Millimeter-Wave, and Terahertz Technologies XI; 1324702 (2024) https://doi.org/10.1117/12.3039074
Event: SPIE/COS Photonics Asia, 2024, Nantong, Jiangsu, China

Abstract

A carbon nanotube (CNT) is a cylinder made of graphene. CNTs possess excellent properties of carbon materials, and the parallel-arranged nanotubes exhibit anisotropy additionally. The finite element method is adopted to simulate single-walled carbon nanotube (SWCNT) array in the terahertz spectrum. Under the standard size parameters we have set, Our simulation results show that between 1-3 THz, P-polarization transmittance, which is perpendicular to the SWCNTs, fluctuates around 0.5, while S-polarization transmittance, which is parallel to the SWCNTs, is around 4.8×10^-3. The reflectance parallel to the SWCNTs gradually increases to 0.407, and the reflectance perpendicular to the SWCNTs gradually decreases to nearly 1×10^-8 as the frequency increases. The simulation results provide theoretical support for further applications of SWCNTs in optical field.

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

Citation Download Citation

Lin Zhao, Huiyu Li, Sen Liu, and Yang Cao "Simulation study on terahertz modulation with single-walled carbon nanotube array", Proc. SPIE 13247, Infrared, Millimeter-Wave, and Terahertz Technologies XI, 1324702 (8 November 2024); https://doi.org/10.1117/12.3039074

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