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TDIE Modeling of Carbon Nanotube Dipoles at Microwave and Terahertz Bands

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4 Author(s)
M. F. Pantoja ; Department of Electromagnetismo y Fisica de la Materia, Universidad de Granada, Granada, Spain ; D. H. Werner ; P. L. Werner ; A. R. Bretones

In this letter, a novel procedure is introduced for the simulation of carbon nanotube (CN) antennas directly in the time domain. This formulation is based on the time-domain electric-field integral equation (TD-EFIE) for thin-wires, including external loads. Appropriate loads have been derived to match the physical response of single-walled CN media to external electromagnetic fields. The results show good agreement with a validated frequency-domain formulation. The time-domain formulation provides physical insight into the well-known characteristic effects of CN dipoles, such as slow-wave propagation and the existence of low-frequency resonances.

Published in:

IEEE Antennas and Wireless Propagation Letters  (Volume:9 )