Development of ITER relevant laser techniques for deposited layer characterisation and tritium inventory

TitleDevelopment of ITER relevant laser techniques for deposited layer characterisation and tritium inventory
Publication TypeJournal Article
Year of Publication2013
AuthorsA. Malaquias, V. Philipps, A. Huber, A. Hakola, J. Likonen, J. Kolehmainen, S. Tervakangas, M. Aints, P. Paris, M. Laan, A. Lissovski, S. Almaviva, L. Caneve, F. Colao, G. Maddaluno, M. Kubkowska, P. Gasior, H.J van der Meiden, A.R Lof, P.AZeijlma van Emmichoven, P. Petersson, M. Rubel, E. Fortuna, Q. Xiao
JournalJournal of Nuclear Materials
Volume438, Supplement
PaginationS936 - S939
Abstract

Laser Induced Breakdown Spectroscopy (LIBS) is a potential candidate to monitor the layer composition and fuel retention during and after plasma shots on specific locations of the main chamber and divertor of ITER. This method is being investigated in a cooperative research programme on plasma devices such as TEXTOR, FTU, MAGNUM-PSI and in other various laboratorial experiments. In this paper LIBS results from targets of D–H-rich carbon films and mixed W–Al–C deposits on bulk tungsten substrates are reported (simulating ITER-like deposits with Al as proxy for Be). Two independent methods, one to determine the relative elemental composition and the other the absolute contents of the target based on the experimental LIBS signals are proposed. The results show that LIBS has the capability to provide the relative concentrations of the elements on the deposited layer when the experimental conditions on the targets surface are identical to the calibration samples.

URLhttp://www.sciencedirect.com/science/article/pii/S0022311513002110
DOI10.1016/j.jnucmat.2013.01.203
Division

PSI

Department

PSI-E

PID

e7ed69925e490db0c5d4d4131015ac76

Alternate TitleJ. Nucl. Mater.

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