Spectral Line Shapes as a Diagnostic Tool in Magnetic Fusion
- Stamm, R.
- Capes, H.
- Demura, A.
- Godbert-Mouret, L
- Koubiti, M
- Marandet, Y
- Mattioli, M
- Rosato, J
- Rosmej, F
- Fournier, K B
Publication date
July 2006
DOI Publisher
Lawrence Livermore National Laboratory ISSN
0094-243XAbstract
Spectral line shapes and intensities are used for obtaining information on the various regions of magnetic fusion devices. Emission from low principal quantum numbers of hydrogen isotopes is analyzed for understanding the complex recycling mechanism. Lines emitted from high principal quantum numbers of hydrogen and helium are dominated by Stark effect, allowing an electronic density diagnostic in the divertor. Intensities of lines emitted by impurities are fitted for a better knowledge of ion transport in the confined plasma
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