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Field emission cathode for high power beams

Published online by Cambridge University Press:  09 March 2009

Rodney Petr
Affiliation:
Mathematical Sciences Northwest, Inc., Bellevue, Washington 98004
Martin Gundersen
Affiliation:
Departments of Electrical Engineering and Physics, SSC 420, Mail Code 0484, University of Southern California, Los Angeles, CA 90089

Abstract

Field emission is identified as the mechanism responsible for high current emission (50 A/cm2 at 300°K) from a dispenser-type cathode. This cathode has advantages for high power operation, and should be suitable for practical applications.

Type
Research Article
Copyright
Copyright © Cambridge University Press 1983

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References

REFERENCES

Cronin, J. L. 1982 Proceedings of IEEE 128, 19.Google Scholar
Friedman, S., Petr, R., McGowan, J. & O'Connell, J. 1982 Proceedings of 15th Power Modulator Symposium, Library of Congress No. 82-819-90.Google Scholar
Good, R. H. Jr., & Müller, E. W. 1956 Field Emission in Handbuch der Physik, Band XXI, Springer-Verlag, HeidelbergGoogle Scholar
Nottingham, W. G. 1956 Thermionic Emission, in Handbuch der Physik, Band XXI, Springer-Verlag, Heidelberg.Google Scholar
Supplementary material: File

S0263034600000082sup001.docx

The supplementary file includes the 2D density data of the simulation results. One can easily draw a 2D distribution of the density and see the bow waves.

Download S0263034600000082sup001.docx(File)
File 6.1 MB