Skewed Frequency Selective Surface Absorber

Umair Rafique, Muhammad Khan, M. Tausif Afzal, Fahad Malik, Shahzaib Qasim

Research output: Contribution to journalArticlepeer-review

Abstract

In this paper, a skewed Frequency Selective Surface (FSS) absorber based on cross-dipole elements is presented. The proposed FSS design provides good frequency stability for oblique incidences. It provides better absorption rate for 5-GHz WLAN frequency band and allow other communication bands to pass through it. Also, the absorption in the stop-band reduces multipath fading of additional WLAN signals which occurred due to the placement of conducting/reflecting FSS. The FSS design consists of two layers; first layer consists of conducting cross-dipole and second layer consists of resistive cross-dipole placed in-front of the first layer. The periodicity of both elements is same. Asymmetric property is applied to FSS elements by taking a reference of central element. This technique leads to achieve a maximum stability in the stop-band. Simulated results demonstrated that the proposed FSS design has a stable frequency response for 5-GHz frequency band for both horizontal (TE) and vertical (TM) polarizations when the incident wave angle varied from 0 0 to 45 0.
Original languageEnglish
Pages (from-to)133-136
Number of pages4
JournalInternational Journal of Advancements in Research and Technology
Volume1
Issue number7
Publication statusPublished - 2012

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