Investigations on calibration sources for soft‐x‐ray plasma spectroscopy and impurity monitors

For absolute soft‐x‐ray line intensity measurements to deduce elemental concentrations and parameters of magnetically confined plasmas large‐area x‐ray sources are developed and investigated. These calibration sources use K, L, and M transitions in different elements and cover a wide photon energy (...

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Bibliographic Details
Published in:Review of scientific instruments 1996-08, Vol.67 (8), p.2826-2830
Main Authors: Schumacher, U., Asmussen, K., Fussmann, G., Liebsch, T., Neu, R.
Format: Article
Language:English
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Summary:For absolute soft‐x‐ray line intensity measurements to deduce elemental concentrations and parameters of magnetically confined plasmas large‐area x‐ray sources are developed and investigated. These calibration sources use K, L, and M transitions in different elements and cover a wide photon energy (and wavelength) range. From the measured absolute line intensities of these sources the quantum efficiency values of numerous elements for K‐, L‐, and M‐line emission per incident electron are deduced. They represent the basis of simple soft‐x‐ray monitors for impurities in fusion plasmas.
ISSN:0034-6748
1089-7623
DOI:10.1063/1.1147112