NDLI: Thermionic RF gun with high duty factor

Content Provider	IEEE Xplore Digital Library
Author	Mitrochenko, V.V.
Copyright Year	1997
Description	Author affiliation: NSC KIPT, Kharkov, Ukraine (Mitrochenko, V.V.)
Abstract	Back bombarding limits wide usage of thermionic RF guns. The article presents one of the possible field distribution on-axis of an RF gun, which allows to reduce back bombarding power of a cathode. Simulation predicts 20 kW of pulsed back bombarding power on the LaB/sub 6/ cathode under 0.51 A of output current and 0.908 MeV of maximum energy of the electrons. The average current can be increased until the average power of back bombarding reaches the initial filament power of a cathode. Therefore it is expected to reach at least 0.5 mA of the average output current. The energy spectrum and bunch phase length are suitable to inject the beam directly into the accelerator structure with the phase velocity equal to the velocity of light. The ramp of the cathode temperature during the RF pulse and the long time stability of the output current are discussed.
Starting Page	2817
Ending Page	2819
File Size	259872
Page Count	3
File Format	PDF
ISBN	078034376X
DOI	10.1109/PAC.1997.752776
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1997-05-16
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Radio frequency Cathodes Acceleration Particle beams Linear accelerators Electron beams Electron guns Electron emission Predictive models Temperature
Content Type	Text
Resource Type	Article

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3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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