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Plasmonics

, Volume 13, Issue 4, pp 1449–1457 | Cite as

A Theoretical Description for Elliptical Plasma Antenna Response in Presence of Terahertz Electromagnetic Plane Wave Based on Surface Plasmon Concept

  • Samaneh Safari
  • Bahram Jazi
Article
  • 77 Downloads

Abstract

Excitation of THz surface plasmons due to the scattering of transverse magnetic (TM) wave by an elliptical plasma antenna consisting of a metallic rod with dielectric coating is investigated. The incident, transmitted, and scattered electromagnetic waves are expressed in terms of Mathieu and modified Mathieu functions. The geometrical structure and its effect on the scattering cross-section and resulting resonance frequencies are studied and analyzed based on theory of Fabry-Perot resonator. It is shown that the resonance frequency can be varied by changing the geometrical structure and material used between the surfaces of this structure.

Keywords

THz surface plasmon Elliptical plasma antenna Back-scattering cross-section Resonance frequency 

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Copyright information

© Springer Science+Business Media, LLC 2017

Authors and Affiliations

  1. 1.Department of Laser and Photonics, Faculty of PhysicsUniversity of KashanKashanIslamic Republic of Iran

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