%0 Journal Article
%A Huber, A.
%A Schweer, B.
%A Philipps, V.
%A Leyte-Gonzales, R.
%A Gierse, N.
%A Zlobinski, M.
%A Brezinsek, S.
%A Kotov, V.
%A Mertens, Ph.
%A Samm, U.
%A Sergienko, G.
%T Study of the Feasibility of Applying Laser-Induced Breakdown Spectroscopy for in-Situ Characterization of Deposited Layers in Fusion Devices
%J Physica scripta
%V T145
%@ 0031-8949
%C Bristol
%I IoP Publ.
%M PreJuSER-22030
%P 014028
%D 2011
%Z Record converted from VDB: 12.11.2012
%X This paper presents a feasibility study of laser-induced breakdown spectroscopy (LIBS) for the development of an in-situ diagnostic for the characterization of deposition layers on plasma-facing components in fusion devices. Preferentially, LIBS would be applied in the presence of a toroidal magnetic field and under high vacuum conditions. The impact of the laser-energy densities on the laser-induced plasma parameters and correspondingly on the number of emitted photons and on the reproducibility of the LIBS method has been studied in laboratory experiments and in TEXTOR on fine-grain graphite (EK98) as well as on bulk W samples coated with carbon and metallic-containing deposits. The effect of magnetic fields and of ambient pressures in the range from 2x10(-4) Pa to 10 Pa on the carbon plasma plume produced by the LIBS technique has been studied on TEXTOR between plasma pulses. The possibility of applying this method to ITER is discussed.
%K J (WoSType)
%F PUB:(DE-HGF)16
%9 Journal Article
%U <Go to ISI:>//WOS:000298475200029
%R 10.1088/0031-8949/2011/T145/014028
%U https://juser.fz-juelich.de/record/22030