Experimental study of the emission spread at gyrotron cathodes by current-voltage characteristics

A scheme for automated study of current-voltage characteristics of gyroresonance devices is developed. The effective emission spread at the cathodes of powerful gyrotrons is studied by analysis of current-voltage characteristics. Experimental data on the effective emission spread parameter for diffe...

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Bibliographic Details
Published in:Radiophysics and quantum electronics 1997-04, Vol.40 (4), p.336-342
Main Authors: Venediktov, N. P., Glyavin, M. Yu, Zapevalov, V. E., Kuftin, A. N., Postnikova, A. S., Yulpatova, M. V.
Format: Article
Language:English
Subjects:
Automated
Cathodes
Devices
Electron beams
Emission
Emission analysis
Gyrotrons
Measurement techniques
Quantum electronics
Spreads
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Summary:A scheme for automated study of current-voltage characteristics of gyroresonance devices is developed. The effective emission spread at the cathodes of powerful gyrotrons is studied by analysis of current-voltage characteristics. Experimental data on the effective emission spread parameter for different modes are given. The permissible emission spread at the cathodes of powerful gyrotrons is estimated, and the dependence of the electron beam parameters on the cathode emission spread is presented. A complex measurement technique showing the contribution of different physical mechanisms to the cathode emission spread is proposed.[PUBLICATION ABSTRACT]
ISSN:0033-8443
1573-9120
DOI:10.1007/BF02679682