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Field emission cathode for high power beams

Published online by Cambridge University Press:  09 March 2009

Rodney Petr  and
Martin Gundersen
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
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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.

Information

Type
Research Article
Information
Laser and Particle Beams , Volume 1 , Issue 2 , May 1983 , pp. 207 - 210
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