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  • Received: Feb. 11, 2015

    Accepted: Jun. 8, 2015

    Posted: Jan. 23, 2019

    Published Online: Sep. 14, 2018

    The Author Email: Abdul Ghaffar (aghaffar@ksu.edu.sa)

    DOI: 10.3788/COL201513.090801

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    Abdul Ghaffar, Majeed A. S. Alkanhal. High-frequency field intensity along focal point of a long metallic parabolic reflector coated by a magnetized plasma layer using oblique incidence[J]. Chinese Optics Letters, 2015, 13(9): 090801

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Chinese Optics Letters, Vol. 13, Issue 9, 090801 (2015)

High-frequency field intensity along focal point of a long metallic parabolic reflector coated by a magnetized plasma layer using oblique incidence

Abdul Ghaffar1,2,*, and Majeed A. S. Alkanhal1

Author Affiliations

  • 1Department of Electrical Engineering, King Saud University, Riyadh 11421, Saudi Arabia
  • 2Department of Physics, University of Agriculture, Faisalabad 38040, Pakistan

Abstract

Theoretical analysis of the electromagnetic field distribution in the focal region of a long metallic parabolic reflector that has its surface covered with a magnetized plasma layer is derived. The incident wave is considered to be with a general oblique incidence for both parallel and perpendicular polarizations. The electromagnetic field intensity expressions along the focal region are obtained accurately using Maslov’s method. The effects of plasma thickness on the reflected and transmitted field distributions are investigated. The effects of other physical parameters such as the angle of incidence and the plasma and cyclotron frequencies on the transmitted field-intensity distribution along the focal region are also studied. The results obtained by Maslov’s method and Kirchhoff’s approximation are found to be in a good agreement.