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L–shaped frequency selective surfaces as conducting elements on chiral slab

KEMAL DELIHACIOĞLU1,* , SAVAŞ UÇKUN1, TUNCAY EGE1

Affiliation

  1. University of Gaziantep Electrical and Electronics Engineering Deparment 27310 Gaziantep /Turkey

Abstract

The scattering characteristics of L–shaped Frequency Selective Surfaces (FSSs) backed by chiral slab is investigated by using modal expansion method for a linearly polarized Transverse Electric (TE) incident plane wave. The Moment Method (MM) is employed by expressing the current induced on the metallic surfaces in terms of Piecewise Sinusoidal (PWS) functions. Unlike a dielectric one, chiral slab produces both co–polarized and cross– polarized fields. The variation of the co– polarized reflection and cross–polarized transmission coefficients are plotted with respect to frequency for different values of chirality admittance and oblique angle incidence. The current amplitude versus stretched out length, induced on the L-shaped FSS element is plotted at resonant frequency..

Keywords

Chiral, L–shaped Frequency Selective Surfaces, Piecewise sinusoidal, Moment method.

Submitted at: May 15, 2006
Accepted at: July 20, 2006

Citation

KEMAL DELIHACIOĞLU, SAVAŞ UÇKUN, TUNCAY EGE, L–shaped frequency selective surfaces as conducting elements on chiral slab, Journal of Optoelectronics and Advanced Materials Vol. 8, Iss. 4, pp. 1398-1401 (2006)