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Proceedings Paper

Submillimeter Background Emission From Tokamaks
Author(s): D. A. Boyd; C. M. Celata; F. J. Stauffer
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Paper Abstract

The submillimeter background in tokamaks will be produced by cyclotron emission from the plasma electrons. Two classes of electrons contribute to the radiation; the electrons which are part of the thermal distribution having energies of ≈1 keV and secondly electrons which have "runaway" from the thermal distribution and have energies of ≈1 MeV. In this paper we present the results of computations of the specific intensity at 500 μ, emitted by both classes of electrons and the results of some experimental measurements done on the PLT tokamak. We conclude that at the present operating parameters of PLT, the "runaway" electrons are the dominant source of 500 μ radiation and that the measured specific intensity at 500 μ is ≈10-13 in MKS units.

Paper Details

Date Published: 26 August 1977
PDF: 6 pages
Proc. SPIE 0105, Far Infrared/Submillimeter Wave: Technology/Applications, (26 August 1977); doi: 10.1117/12.955441
Show Author Affiliations
D. A. Boyd, University of Maryland (United States)
C. M. Celata, University of Maryland (United States)
F. J. Stauffer, University of Maryland (United States)


Published in SPIE Proceedings Vol. 0105:
Far Infrared/Submillimeter Wave: Technology/Applications
Thomas S. Hartwick; Dean T. Hodges, Editor(s)

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