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International Journal of Antennas and Propagation
Volume 2008, Article ID 636047, 6 pages
Research Article

Wideband Flat Radomes Using Inhomogeneous Planar Layers

College of Electrical Engineering, Iran University of Science and Technology, Narmak, Tehran 16846-13114, Iran

Received 9 June 2008; Accepted 23 September 2008

Academic Editor: Joshua Li

Copyright © 2008 Mohammad Khalaj-Amirhosseini. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


Inhomogeneous planar layers (IPLs) are optimally designed as flat radomes in a desired frequency range. First, the electric permittivity function of the IPL is expanded in a truncated Fourier series. Then, the optimum values of the coefficients of the series are obtained through an optimization approach. The performance of the proposed structure is verified using some examples.