Abstract
In this paper, new values of efficiency for coated and non-coated carbon nanotube dipole antennas are found at different ranges of length and constant radius to have an effective model in wireless communication technology, biomedical engineering, sensors and solar cells. The main issue is to get matching between the antenna and the feeding source (discreet port). To have the best value of matching impedance by optimization method through entering trials of impedance value the aim of this paper is to have the best result of efficiency in each length. A new value of efficiency is shown for coated carbon nanotube dipole antennas, it is about 59%.
Highlights
Carbon nanotubes (CNTs) have been investigated as antennas in various areascommunications between Nanodevices and macroscopic world, nano interconnect, fiber communication, aircraft and space communication systems
New values of efficiency for coated and non-coated carbon nanotube dipole antennas are found at different ranges of length and constant radius to have an effective model in wireless communication technology, biomedical engineering, sensors and solar cells
Researchers assumed that CNTs antennas technology will be at the frontier of scientific research for the decades, especially in wireless communication technology with nanometer length of CNTs dipole antenna, the electromagnetic (EM) radiation from this antenna is expected to cover a range within terahertz (THz) and optical frequency [1] [2]
Summary
Carbon nanotubes (CNTs) have been investigated as antennas in various areascommunications between Nanodevices and macroscopic world, nano interconnect, fiber communication, aircraft and space communication systems. CNTs have high electrical properties which make them distinguished from other materials. This assumption was presented, based on the idea that it can radiate as a small Nano-dipole antenna when it is electromagnetically exciting. The performance of CNTs dipole antennas has been investigated using comprehensive numerical techniques. There are several methods for the investigation of the properties of the CNTs antenna [1]
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