Journal
JOURNAL OF INSTRUMENTATION
Volume 17, Issue 1, Pages -Publisher
IOP Publishing Ltd
DOI: 10.1088/1748-0221/17/01/C01073
Keywords
Detector modelling and simulations I (interaction of radiation, with matter, interaction, of photons with matter, interaction of hadrons with matter, etc); Plasma diagnostics - probes; Micropattern gaseous detectors (MSGC, GEM, THGEM, RETHGEM, MHSP, MICROPIC, MICROMEGAS, InGrid, etc)
Categories
Funding
- National Science Centre, Poland (NCN) [2018/30/M/ST2/00799]
- Polish Ministry of Science and Higher Education [5118/H2020/EURATOM/2020/2]
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Soft X-ray radiation emitted from tokamak plasmas contains valuable information about plasma performance, but traditional semiconductor detectors cannot be used in harsh environments. Therefore, it is necessary to investigate new detector technologies that are more suitable for such environments, and propose strategies for reconstructing impurity radiation.
Soft X-ray (SXR) radiation emitted from tokamak plasmas contains very useful information about plasma stability, shape and impurity content, all key parameters to improve plasma performance. In the deuterium-tritium phase of ITER, the high neutron fluxes, gamma and hard X-ray emission will constitute too harsh an environment to permit the use of classical semiconductor detectors. New SXR detector technologies, more robust to such environments, should thus be investigated. First GEM (Gas Electron Multiplier) measurements performed at WEST were successful and showed that both spatially and spectrally resolved calibrated data could be acquired. Strategies to reconstruct tungsten (W) impurity radiation synthetic diagnostics, modelling and real measurements based on multiple diagnostics are proposed.
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