Abstract: A terahertz (THz) backward-wave oscillator (BWO) based on a folded waveguide (FW) structure and driven by multiple sheet beams (MSBs) is proposed and investigated. The BWO employs three ...

PROTECTING THE U.S. ECONOMY AND NATIONAL INTERESTS: Today, President Donald J. Trump signed a Proclamation imposing a temporary import duty to address fundamental international payments problems and ...

Sam Illingworth does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond ...

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