PROMT: A multiposition Thomson‐scattering system for RTP

PROMT is a system for multiposition Thomson scattering in use at the Rijnhuizen Tokamak Project tokamak. Light from a ruby laser is scattered by the free electrons in the plasma and is collected along a vertical chord of 180 mm. Electron temperature and density profiles can be measured resolving up...

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Veröffentlicht in:Review of Scientific Instruments 1992-10, Vol.63 (10), p.4947-4949
Hauptverfasser: Barth, C. J., Dirkx, M. L. P., Grobben, B. J. J., Verhaag, G. C. H. M., Wilbers, A. T. M., Donné, A. J. H.
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container_end_page 4949
container_issue 10
container_start_page 4947
container_title Review of Scientific Instruments
container_volume 63
creator Barth, C. J.
Dirkx, M. L. P.
Grobben, B. J. J.
Verhaag, G. C. H. M.
Wilbers, A. T. M.
Donné, A. J. H.
description PROMT is a system for multiposition Thomson scattering in use at the Rijnhuizen Tokamak Project tokamak. Light from a ruby laser is scattered by the free electrons in the plasma and is collected along a vertical chord of 180 mm. Electron temperature and density profiles can be measured resolving up to 36 spatial elements. Scattered light is spectrally analyzed by a Littrow polychromator and subsequently detected with an intensified charge coupled device camera. At densities of 2×1019 m−3 electron temperatures in the range of 50 eV–3 keV can be measured with an accuracy of ∼5%.
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subjects Exact sciences and technology
Physics
Physics of gases, plasmas and electric discharges
Physics of plasmas and electric discharges
Plasma diagnostic techniques and instrumentation
title PROMT: A multiposition Thomson‐scattering system for RTP
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