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Excitation of nanosecond waves on positive columns

Published online by Cambridge University Press:  13 March 2009

B. A. Aničin ,
V. M. Babovič  and
K. E. Lonngren
B. A. Aničin
Affiliation:
Ion Physics Laboratory, Boris Kidrich Institute of Nuclear Sciences, Belgrade
V. M. Babovič
Affiliation:
Ion Physics Laboratory, Boris Kidrich Institute of Nuclear Sciences, Belgrade
K. E. Lonngren
Affiliation:
Department of Electrical Engineering, The University of Iowa, Iowa City
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Abstract

Nanosecond pulses are launched, and propagate on a positive column in the form of electron waves. The dispersion of the pulses is studied experimentally, and is found to be in agreement with monochromatic experiments and theory. Apart from wave attenuation, which is observed to depress signals of higher frequencies, Fourier analysis of the received pulses has revealed that the launching mechanism favours frequencies in the vicinity of 1/6ωp A full-wave theory, based on an extension of Goubau's excitation theorem, is derived, and successfully contrasted with experiment.

Type
Research Article
Information
Journal of Plasma Physics , Volume 7 , Issue 3 , June 1972 , pp. 403 - 416
Copyright
Copyright © Cambridge University Press 1972

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References

REFERENCES

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