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Proceedings Paper

Application Of Thomson Scattering To The Diagnosis Of Plasma Temperatures Within The Joint European Torus Using 10.6 µm Radiation
Author(s): D. A. Reynolds; I. J. Spalding; T. Stamatakis; A. C. Walker
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Paper Abstract

On completion, the Joint European Torus (JET) will he the largest nuclear fusion experiment constructed. We are currently developing a novel system to measure radial electron temnerature/density profiles and central ion temperatures within the plasma using a 10Hz rep-rate CO2 laser. The large dimensions and expected neutron fluxes represent significant constraints on this design. Specifically the input and collected scattered radiation have to he relayed between shielded lasers/detectors and the torus, ~ 30m away, and the alignment maintained remotely. This system, containing ~ 75 mirrors and designed with the aid of a computer ray-tracing program, is described together with some details of the spectrometer and laser.

Paper Details

Date Published: 16 June 1983
PDF: 6 pages
Proc. SPIE 0369, Max Born Centenary Conf, (16 June 1983); doi: 10.1117/12.934432
Show Author Affiliations
D. A. Reynolds, UKAEA Culham Laboratory (United Kingdom)
I. J. Spalding, UKAEA Culham Laboratory (United Kingdom)
T. Stamatakis, UKAEA Culham Laboratory (United Kingdom)
A. C. Walker, UKAEA Culham Laboratory (United Kingdom)

Published in SPIE Proceedings Vol. 0369:
Max Born Centenary Conf
M. John Colles; D. William Swift, Editor(s)

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