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A pseudospark (PS) discharge can generate an electron beam with a high current density. The electron beam can be self-focused by an ion channel and transported over a long distance without the need for an external magnetic field. Such features make it attractive to drive millimeter-wave/THz interaction circuits for the generation of high-power radiation from a compact device. This paper presents the experimental results on the generation and transportation of the PS-sourced beam with different cross-sections, as well as the differences of the PS-sourced beam with and without post acceleration. Its application in millimeter-wave/THz sources was demonstrated by the operation of extended interaction oscillators (EIOs) at different frequencies.
|Number of pages||11|
|Publication status||Published - 24 Sep 2021|
- psudospark (PS)
- millimeter-wave generation
- extended interaction oscillators (EIOs)
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- 1 Finished
Sheet electron beam vacuum electronic devices for the generation of high power THz radiation
Cross, A., He, W., Phelps, A. & Zhang, L.
EPSRC (Engineering and Physical Sciences Research Council)
5/03/19 → 4/03/21