Title :
On the possibility to use the treatment of gyrotron cathodes by the potassium ion flow for their emission homogeneity increase
Author :
Dammertz, Günter ; Louksha, Oleg I. ; Sominski, Gennadi G. ; Thumm, Manfred K.
Author_Institution :
Inst. fur Hochleistungsimpuls-und Mikrowellentech., Forschungszentrum Karlsruhe, Karlsruhe
Abstract :
The SPbSPU high vacuum test stand has been equipped with the techniques to measure emission inhomogeneities of gyrotron cathodes and to treat cathode surface by the flow of potassium ions. The first experiments with a LaB6 cathode showed the possibility to improve its emission homogeneity as a result of the bombardment of the cathode surface by the ion flow.
Keywords :
cathodes; gyrotrons; ions; potassium; LaB6 cathode; St. Petersburg State Polytechnical University; cathode surface; emission homogeneity increase; emission inhomogeneities; gyrotron cathodes; high vacuum test stand; potassium ion flow; potassium ions; Anodes; Cathodes; Current density; Current measurement; Density measurement; Electron emission; Gyrotrons; Manufacturing; Surface treatment; Testing; Emission inhomogeneity; gyrotron cathode; ion flow treatment;
Conference_Titel :
Infrared and Millimeter Waves, 2007 and the 2007 15th International Conference on Terahertz Electronics. IRMMW-THz. Joint 32nd International Conference on
Conference_Location :
Cardiff
Print_ISBN :
978-1-4244-1438-3
DOI :
10.1109/ICIMW.2007.4516683
