Effect of electron-beam pulse length on microwave efficiency of coaxial vircator

W. Jiang, K. Woolverton, J. Dickens, M. Kristiansen

Research output: Contribution to journalConference article

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Abstract

The coaxial virtual cathode oscillator (vircator) at Texas Tech University was studied by varying the pulse length of the electron beam. Previous experimental results obtained with electron beam pulse width of 25 ns have indicated that the microwave output power had not saturated before the electron beam power terminated. Therefore, it was expected that the maximum microwave power could be increased if the electron beam pulse is lengthened. Experiments were carried out with electron-beam pulse lengths of 25 ns and 70 ns respectively, while keeping other parameters the same. The microwave outputs obtained with different electron-beam pulse lengths are compared in order to understand the effect of the pulse length on the microwave efficiency of the coaxial vircator.

Original languageEnglish
Pages (from-to)P4C14
JournalIEEE International Conference on Plasma Science
StatePublished - 2001
Event28th IEEE International Conference on Plasma Science/ 13th IEEE International Pulsed Power Conference - Las Vegas, NV, United States
Duration: Jun 17 2001Jun 22 2001

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