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@ARTICLE{Lipa:57841,
author = {Lipa, M. and Schunke, B. and Gil, Ch. and Bucalossi, J. and
Voitsenya, V. S. and Konovalov, V. and Vukolov, K. and
Balden, M. and De Temmerman, G. and Oelhafen, P. and
Litnovsky, A. and Wienhold, P.},
title = {{A}nalyses of metallic first mirror samples after long term
plasma exposure in {T}ore {S}upra},
journal = {Fusion engineering and design},
volume = {81},
issn = {0920-3796},
address = {New York, NY [u.a.]},
publisher = {Elsevier},
reportid = {PreJuSER-57841},
year = {2006},
note = {Record converted from VDB: 12.11.2012},
abstract = {Metallic mirrors are foreseen in ITER diagnostic systems as
optical elements directly viewing the plasma radiation. In
the frame of an EFDA contract, metallic mirror samples have
been exposed for long pulse plasma discharges in Tore Supra
(TS) in order to investigate surface modifications caused by
erosion and re-deposition processes. Three different
materials have been selected: mono-crystalline molybdenum
(mc-Mo), polycrystalline stainless steel (SS) and copper
(Cu). The mc-Mo samples showed after TS exposure almost no
surface roughness modifications and the lowest net-erosion.
A slight reflectivity reduction, most pronounced in the near
UV, is attributed to light absorption in a thin carbon
deposit. Cu mirrors showed by far the highest surface
roughness, erosion and diffusive reflectivity. Comparative
laboratory glow discharge experiments with virgin reference
samples and numerical simulations of erosion/deposition
confirm the dominant contribution of conditioning procedures
to erosion of mirrors exposed (without shutter protection)
in Tore Supra. (c) 2005 Elsevier B.V. All rights reserved.},
keywords = {J (WoSType)},
cin = {IPP},
ddc = {620},
cid = {I:(DE-Juel1)VDB181},
pnm = {Fusion},
pid = {G:(DE-Juel1)FUEK403},
shelfmark = {Nuclear Science $\&$ Technology},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000235599500029},
doi = {10.1016/j.fusengdes.2005.07.017},
url = {https://juser.fz-juelich.de/record/57841},
}