Design considerations for linear beam devices employing emittance dominated electron beams
Vacuum Electronics Conference（2013）
摘要
As the frequency of linear beam RF device operation increases, the effect of beam emittance starts to play a more crucial role in the design of real world devices. Several issues related to TWT design in particular have been addressed for devices employing field emitter cathodes through W-Band frequencies. The general formulation is also applicable to emittance dominated thermionic beams operating in the submillimeter and THz regimes.
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关键词
electron beams,thermionic cathodes,travelling wave tubes,thz regime,twt design,w-band frequency,emittance dominated electron beam,emittance dominated thermionic beam,field emitter cathode,linear beam rf device,submillimeter regime,beam confinement,beam equilibrium,electron beam emittance,field emitter distributions,radio frequency,cathodes,force,magnetic fields,optics
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