MICROWAVE SWITCHABLE FREQUENCY SELECTIVE SURFACE WITH HIGH QUALITY FACTOR RESONANCE AND LOW POLARIZATION SENSITIVITY
Keywords:Frequency selective surface, high quality factor resonance, trapped-mode resonance, optical activation
We present a microwave switchable frequency selective surface with high quality factor transmission resonance. The high quality resonance is achieved by excitation of the trapped-mode in array with two concentric metal rings in a cell on a silicon substrate. Optical activation of the silicon substrate permits to switch off the transmission band.
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