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Abstract

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.

Additional information

Authors: SCHUMACHER U, Max-Planck-Institut für Plasmaphysik, Garching bei München (DE);ASMUSSEN K, Max-Planck-Institut für Plasmaphysik, Garching bei München (DE);FUSSMANN G, Max-Planck-Institut für Plasmaphysik, Garching bei München (DE);LIEBSCH T, Max-Planck-Institut für Plasmaphysik, Garching bei München (DE);NEU R, Max-Planck-Institut für Plasmaphysik, Garching bei München (DE)
Bibliographic Reference: Article: Review of Scientific Instruments, Vol. 67 (1996) No. 8, pp. 2826-2830
Record Number: 199611348 / Last updated on: 1996-11-21
Category: PUBLICATION
Original language: en
Available languages: en