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@ARTICLE{Kinna:840355,
author = {Kinna, D. and Huber, V. and Arnoux, G. and Balboa, I. and
Balorin, C. and Carman, P. and Carvalho, P. and Collins, S.
and Conway, N. and McCullen, P. and Jachmich, S. and Jouve,
M. and Linsmeier, Ch and Lomanowski, B. and Lomas, P. J. and
Lowry, C. G. and Maggi, C. F. and Matthews, G. F. and
May-Smith, T. and Meigs, A. and Mertens, Philippe and Nunes,
I. and Price, M. and Puglia, P. and Riccardo, V. and Rimini,
F. G. and Sergienko, G. and Tsalas, M. and Zastrow, K-D and
Huber, Alexander},
title = {{T}he near infrared imaging system for the real-time
protection of the {JET} {ITER}-like wall},
journal = {Physica scripta},
volume = {T170},
issn = {1402-4896},
address = {Bristol},
publisher = {IoP Publ.},
reportid = {FZJ-2017-07892},
pages = {014027},
year = {2017},
abstract = {This paper describes the design, implementation and
operation of the near infrared (NIR) imaging diagnostic
system of the JET ITER-like wall (JET-ILW) plasma experiment
and its integration into the existing JET protection
architecture. The imaging system comprises four wide-angle
views, four tangential divertor views, and two top views of
the divertor covering $66\%$ of the first wall and up to
$43\%$ of the divertor. The operation temperature ranges
which must be observed by the NIR protection cameras are,
for the materials used on JET: Be 700 °C–1400 °C; W
coating 700 °C–1370 °C; W bulk 700 °C–1400 °C. The
Real-Time Protection system operates routinely since 2011
and successfully demonstrated its capability to avoid the
overheating of the main chamber beryllium wall as well as of
the divertor W and W-coated carbon fibre composite (CFC)
tiles. During this period, less than $0.5\%$ of the
terminated discharges were aborted by a malfunction of the
system. About $2\%–3\%$ of the discharges were terminated
due to the detection of actual hot spots.},
cin = {IEK-4},
ddc = {530},
cid = {I:(DE-Juel1)IEK-4-20101013},
pnm = {174 - Plasma-Wall-Interaction (POF3-174)},
pid = {G:(DE-HGF)POF3-174},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000414120500027},
doi = {10.1088/1402-4896/aa8a14},
url = {https://juser.fz-juelich.de/record/840355},
}