Tunable frequency selective surface using liquidsubstrates
Electronics Letters1994Vol. 30(4), pp. 281–282
Citations Over TimeTop 1% of 1994 papers
Abstract
The passband of a convoluted slot array is switched in frequency by exchanging liquid substrates. In the example illustrated, liquid with ɛr ≃ 2.2 gives a 3 GHz frequency shift and a 16 dB change in the transmission coefficient at 17 GHz.
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