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Polycapillary lenses for soft x-ray transmission in ITER: Model, comparison with experiments, and potential application

Abstract : Measuring Soft X-Ray (SXR) radiation [0.1 keV; 15 keV] in tokamaks is a standard way of extracting valuable information on the particle transport and magnetohydrodynamic activity. Generally, the analysis is performed with detectors positioned close to the plasma for a direct line of sight. A burning plasma, like the ITER deuterium-tritium phase, is too harsh an environment to permit the use of such detectors in close vicinity of the machine. We have thus investigated in this article the possibility of using polycapillary lenses in ITER to transport the SXR information several meters away from the plasma in the complex port-plug geometry.
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https://hal-cea.archives-ouvertes.fr/cea-01397854
Contributor : Axel Jardin <>
Submitted on : Wednesday, November 16, 2016 - 1:35:36 PM
Last modification on : Thursday, August 27, 2020 - 11:50:04 AM

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D. Mazon, C. Liegeard, A. Jardin, R. Barnsley, M. Walsh, et al.. Polycapillary lenses for soft x-ray transmission in ITER: Model, comparison with experiments, and potential application. 21st Topical Conference on High-Temperature Plasma Diagnostics, Jun 2016, Madison, United States. ⟨10.1063/1.4958942⟩. ⟨cea-01397854⟩

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