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Switchable Frequency Selective Surface for Reconfigurable Electromagnetic Architecture of Buildings

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5 Author(s)
Kiani, G.I. ; Dept. of Phys. & Eng., Macquarie Univ., Sydney, NSW, Australia ; Ford, K.L. ; Olsson, L.G. ; Esselle, K.P.
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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.

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Antennas and Propagation, IEEE Transactions on  (Volume:58 ,  Issue: 2 )