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18 August 2009 Carbon nanotube vee dipole antennas for optical applications
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Abstract
This paper investigates the radiation characteristics of a Vee dipole antenna operating in the near infra-red and optical frequency regimes. Antenna properties, such as far-field radiation patterns, coupling coefficient, measured by the scattering parameter S11, and directivity are provided. The resonance and directivity behavior of the optical Vee dipole, which is based on Multi-Wall Carbon Nano Tube (MWCNT), are investigated by varying the dipole length in order to exploit the effective operating frequency in the near infra-red range (~120 to 400 THz) and the visible light range (~400- 750 THz). Moreover, a parametric study aimed at optimizing the antenna directivity is performed by varying the angle between the two arms of the dipole using CST Microwave Studio simulation software which is based on the Finite Integration Technique (FIT). The proposed antenna achieved a directivity 3.767 dB higher than the traditional dipole in the visible regime while maintaining the same directivity in the near infrared regime.
© (2009) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Haider R. Khaleel, Hussain M. Al-Rizzo, Taha A. Elwi, and Daniel Rucker "Carbon nanotube vee dipole antennas for optical applications", Proc. SPIE 7399, Carbon Nanotubes, Graphene, and Associated Devices II, 73990Y (18 August 2009); https://doi.org/10.1117/12.839609
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