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Experimental studies of anode and cathode materials in a repetitive driven axial vircator
Uppsala University, Disciplinary Domain of Science and Technology, Technology, Department of Engineering Sciences, Electricity.
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2008 (English)In: IEEE Transactions on Plasma Science, ISSN 0093-3813, E-ISSN 1939-9375, Vol. 36, no 3:1, 688-693 p.Article in journal (Refereed) Published
Abstract [en]

Repetitive use of a high-power-microwave radiation source implies strong erosion on cathode and anode materials. Electrode-material endurance has been studied in a series of experiments with an axial virtual cathode oscillator powered by a compact Marx generator. The Marx generator is operated in a 10-Hz repetitive mode With a burst of ten pulses. Velvet and graphite was used as electron-emitting materials, and they showed markedly different pulse characteristics. The following three different anode materials were used: stainless-steel mesh, stainless-steel wires, and molybdenum wires, which all had different influence on the pulse characteristics.

Place, publisher, year, edition, pages
2008. Vol. 36, no 3:1, 688-693 p.
Keyword [en]
anodes, cathodes, high power microwaves, Marx generators, microwave devices, microwave generation, repetitive, vircator
National Category
Engineering and Technology
URN: urn:nbn:se:uu:diva-110042DOI: 10.1109/TPS.2008.922222ISI: 000256885800016OAI: oai:DiVA.org:uu-110042DiVA: diva2:275064
Available from: 2009-11-03 Created: 2009-11-02 Last updated: 2016-04-12Bibliographically approved

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