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International Journal of Antennas and Propagation
Volume 2014, Article ID 701279, 6 pages
http://dx.doi.org/10.1155/2014/701279
Research Article

A Miniaturized Frequency Selective Surface Based on Square Loop Aperture Element

1College of Information and Communications Engineering, Harbin Engineering University, Harbin, Heilongjiang 150001, China
2DEEHOW Electronics Technology Co., Ltd., Beijing 100043, China

Received 19 January 2014; Accepted 24 February 2014; Published 27 March 2014

Academic Editor: Wenhua Yu

Copyright © 2014 Wenxing Li et al. 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.

Abstract

We propose a miniaturized band-pass frequency selective surface (FSS) with periodic unit cell structure. The proposed FSS is realized by symmetrically bending the edges of the square loop aperture element, by which our proposed FSS increases the resonant length, and, hence, reduces its size. In this FSS, each unit cell has a dimension of 0.0538λ × 0.0538λ, where λ represents the wavelength of the corresponding resonant frequency. Both the theoretical analysis and simulation results demonstrate that our proposed FSS, having high polarization stability and angle stability, can achieve smaller size in comparison with the previously proposed structures.