NDLI: Self-bunching micro-pulse guns for high-power RF generation

Content Provider	IEEE Xplore Digital Library
Author	Mako, F. Len, L.K.
Copyright Year	2000
Description	Author affiliation: FM Technol. Inc., Fairfax, VA, USA (Mako, F.)
Abstract	Schemes for the generation of high-power microwave using the micro-pulse electron gun (MPG) technology are presented. The MPGs, with their short electron bunches, are especially well-suited for power tube applications. The main objective of the MPG work is to develop novel electron guns which produce self-bunched high-current density beams and have cold emission, long life, and are non-contaminating. The cold emission process is based on secondary electron emission operating in the reflection mode. Traditional power tube technology employs thermionic cathodes which are easily contaminated. Furthermore, the high temperature required for their operation causes additional problems such as distortion of grids and limited cathode lifetimes. Cold cathodes can potentially eliminate these problems and achieve a similar beam emittance at the same current density as thermionic cathodes.
File Size	138184
File Format	PDF
ISBN	0780359879
DOI	10.1109/OVE:EC.2000.847555
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2000-05-02
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Radio frequency Cathodes High power microwave generation Electron tubes Microwave generation Microwave technology Electron guns Electron emission Optical reflection Temperature
Content Type	Text
Resource Type	Article

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