Abstract
We report our experimental results on the operating features of a forevacuum-pressure pulsed broad-beam plasma-cathode electron source with a double-mesh emission electrode, which includes main and auxiliary meshes. In this source, the emission plasma is generated by a pulsed cathodic arc. It is shown that such an emission system provides an increase in the maximum operating pressure for pulse durations of up to several milliseconds. We find that at certain threshold pressure transient mode and quasi-stationary mode of electron beam generation appear. The transient mode observed at the beginning of the emission current pulse is characterized by a higher emission efficiency, which changes during the time. The time, after which the quasi-stationary mode occurs, depends on the gas pressure and the parameters of the auxiliary mesh.
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
