Ms. Yue Wang Profile

Yue Wang

at Harbin Univ of Science and Technology

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Proceedings Article | 14 January 2008 Paper

Terahertz properties of carbon nanotubes antenna arrays

Wei Shi, Yue Wang, Qun Wu, Xue Wang

Proceedings Volume 6840, 684006 (2008) https://doi.org/10.1117/12.753625

KEYWORDS: Antennas, Terahertz radiation, Carbon nanotubes, Microwave radiation, Scattering, Chemical elements, Basic research, Roads, Numerical analysis, Electromagnetism

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A novel nano-antenna for the generation and applications of THz wave is proposed based on the carbon nanotube. The geometric structure and radiation properties of carbon nanotube (CNT) antenna at THz span have been investigated by the finite integral numerical methods. The designed typical CNT antenna arrays (λ=3.0×10⁴nm, L=0.485λ, R=2.712nm, d=0.1λ) operate from 9.3 THz to 10.2 THz, and main resonant frequency is 9.7 THz. The simulated -10dB return loss (S₁₁) bandwidths is about 10% and the standing wave ratio is less than 1.5 at the center frequency of 9.7THz with the total radiation efficiency in excess of 85%. The maximum gains for 5×5, 15×15, 25×25 CNT antenna array are 5.92dB, 8.19dB and 8.50dB in the center frequency, respectively. The details of THz antenna characteristics such as field distribution, surface current profile, standing wave ratio, scattering coefficient and gain are presented and discussed. The overall results could be suitable for the design of CNT antenna array generating THz wave.

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