Switchable frequency selective surface for reconfigurable electromagnetic architecture of buildings

Ghaffer I. Kiani, Kenneth L. Ford, Lars G. Olsson, Karu P. Esselle, Chinthana J. Panagamuwa

Research output: Contribution to journalArticle

70 Citations (Scopus)


A frequency selective surface (FSS) that is electronically switchable between reflective and transparent states is tested. It can be used to provide a spatial filter solution to reconfigure the electromagnetic architecture of buildings. The FSS measurements show that the frequency response of the filter does not change significantly when the wave polarization changes or the angle of incidence changes up to ±45° from normal. The FSS is based on square loop aperture geometry, with each unit cell having four PIN diodes across the aperture at 90 degree intervals. Experiments demonstrated that almost 10 dB additional transmission loss can be introduced on average at the resonance frequency, for both polarizations, by switching PIN diodes to on from off state.

Original languageEnglish
Article number5345857
Pages (from-to)581-584
Number of pages4
JournalIEEE Transactions on Antennas and Propagation
Issue number2
Publication statusPublished - Feb 2010

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