NDLI: Emission simulation and secondary electron emission measurement of the cathode in high-power continuous wave magnetron tubes

Content Provider	IEEE Xplore Digital Library
Author	Shikai Qi Xiaoxia Wang Jirun Luo Mingwei Hu Shike Zhao Yun Li Qi Zhang
Copyright Year	2015
Description	Author affiliation: Key Lab. of High Power Microwave Sources & Technol., Inst. of Electron., Beijing, China (Shikai Qi; Xiaoxia Wang; Jirun Luo; Mingwei Hu; Shike Zhao; Yun Li; Qi Zhang)
Abstract	Energy and local distribution of electron around the cathode have been simulated in a 30kW continuous wave magnetron tube which operates in normal output power. According to the simulation results, it is clearly that the cathode of magnetron is bombed by low energy electrons mostly among 0 and 2keV. Based on the fact that most of the back bombardment electron belong to low energy electron, when the energy of incident electron is among 0 and 2keV, the secondary electron emission yield (SEEY) of cathodes provided with different mass percent Re doping W-Re alloy are measured, eventually, we obtain the maximum SEEY of W-Re alloy cathode when adopted by 5%Re doping.
Starting Page	1
Ending Page	2
File Size	442400
Page Count	2
File Format	PDF
ISBN	9781479971091
e-ISBN	9781479971107
DOI	10.1109/IVEC.2015.7223863
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2015-04-27
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Cathodes Doping Metals Electron tubes Electron emission Power generation Surface treatment CST simulation resistive electron bombing alloy cathode secondary electron emission yield (SEEY) thermostability
Content Type	Text
Resource Type	Article

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