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- Type of Document: M.Sc. Thesis
- Language: Farsi
- Document No: 50059 (05)
- University: Sharif University of Technology
- Department: Electrical Engineering
- Advisor(s): Akbari, Mahmood
- Abstract:
- If the size of the conventional telecommunication antennas -that are widely used in transmitting broadcasted radio and TV messages- is reduced by a nanometer size these antennas can be used at optical frequencies. Dimensions of these optical nanoantennas -that made of nanoparticles with highly permittivity- can be smaller than half of the wavelength. Based on this capability, optical nanoantennas have some important applications such as optical communication, photovoltaic devices, non-classical light, and optical sensing. After studying on optical nanoantennas and their features, in this project, we present distinctions between optical NAs and MW antennas and then investigate about different types of NAs and their applications. Raman spectroscopy and its applications in medical fields and detection of various tissues is an important application of NAs. Therefore we focus on investigation about different types of NAs that used in Surface Enhanced Raman Spectroscopy (SERS). By studying on SERS and reviewing various types of NAs in this area, a new design of NA is obtained. Based on interesting idea of Internet of Nano-Thing (IoNT) we focus on deployment of carbon nanotubes (CNT) in the NA’s structures. By applying the CNTs instead of metals in structure of optical NAs we can use NAs in nanonetworks and terahertz band
- Keywords:
- Antenna Array ; Nanotechnology ; Carbon Nanotubes ; Surface Enhanced Raman Scattering (SERS) ; PLasmonic Structure ; Nanoantenna
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