TDIE Modeling of Carbon Nanotube Dipoles at Microwave and Terahertz Bands

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 ma...

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Bibliographic Details
Published in:IEEE antennas and wireless propagation letters 2010, Vol.9, p.32-35
Main Authors: Pantoja, M.F., Werner, D.H., Werner, P.L., Bretones, A.R.
Format: Article
Language:English
Subjects:
Carbon nanotube (CN)
Carbon nanotubes
Computational efficiency
Conductivity
Dipole antennas
Electromagnetic radiation
Finite difference methods
Frequency
Integral equations
nanotechnology
numerical methods
Resonance
Time domain analysis
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Summary: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.
ISSN:1536-1225
1548-5757
DOI:10.1109/LAWP.2010.2041627