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

D. Mazon, C. Liegeard, A. Jardin, R. Barnsley, M. Walsh, M. O'Mullane, A. Sirinelli, F. Dorchies

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1 Citation (Scopus)
44 Downloads (Pure)

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.

Original languageEnglish
Article number11E302
Number of pages3
JournalReview of Scientific Instruments
Volume87
Issue number11
Early online date25 Jul 2016
DOIs
Publication statusPublished - 30 Nov 2016
Event21st Topical Conference on High-Temperature Plasma Diagnostics - Madison, WI., United States
Duration: 5 Jun 20169 Jun 2016

Keywords

  • soft x-rays
  • lenses
  • x-ray detectors
  • x-ray reflectometry
  • photons
  • magnetohydrodynamic activity
  • particle transport
  • burning plasma
  • polycapillary lenses
  • portplug geometry

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