Trump on Tuesday said he would impose 50 per cent tariffs on copper imports, an announcement that reverberated across the ...

We designed and fabricated a kind of NbN-gold hybrid metamaterial-based modulator. They had tunable spectra response under thermal stimuli. This terahertz (THz) wave active modulator possesses good ...

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An H-plane horn antenna with miniaturized size and increased gain is reported, which is realized by loading slow wave structures (SWSs) inside the shortened horn cavity. The SWSs in the form of ...