DocumentCode
1111298
Title
Improved Magnetron Injection Guns for Gyrotrons
Author
Ives, R.Lawrence ; Borchard, Philipp ; Collins, George ; Curtis, Marc ; Falce, Louis R. ; Gunther, Kim ; Marsden, David ; Miram, George ; Wilcox, Ross
Author_Institution
Calabazas Creek Res., Inc., San Mateo, CA
Volume
36
Issue
3
fYear
2008
fDate
6/1/2008 12:00:00 AM
Firstpage
620
Lastpage
630
Abstract
Recent gyrotron operations indicate that nonuniform cathode emission is prevalent in many, if not most, magnetron injection guns. A nonuniform emission can result in degradation of the RF performance and increase heating in the collector. This paper describes research to improve cathode emission by addressing temperature uniformity and work function issues. A new cathode design is proposed, and a facility for measuring both temperature and emission uniformity is described.
Keywords
cathodes; electron emission; gyrotrons; magnetrons; work function; collector; gyrotron; heating; magnetron injection guns; nonuniform cathode emission; temperature uniformity; work function; Cathode; electron emission; emission uniformity; gyroklystron; gyrotron; magnetron injection gun (MIG);
fLanguage
English
Journal_Title
Plasma Science, IEEE Transactions on
Publisher
ieee
ISSN
0093-3813
Type
jour
DOI
10.1109/TPS.2008.917529
Filename
4476142
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