Engineering design and analysis of an ITER-like first mirror test assembly on JET

Z. Vizvary, B. Bourdel, A. Garcia-Carrasco, Nguyen Ngoc Lam, Frank Leipold, R.A. Pitts, R. Reichle, V. Riccardo, M. Rubel, G. De Temmerman, V. Thompson, A. Widdowson

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The ITER first mirrors are the components of optical diagnostic systems closest to the plasma. Deposition may build up on the surfaces of the mirror affecting their ability to fulfil their function. However, physics modelling of this layer growth is fraught with uncertainty. A new experiment is underway on JET, under contract to ITER, with primary objective to test if, under realistic plasma and wall material conditions and with ITER-like first mirror aperture geometry, deposits do grow on first mirrors. This paper describes the engineering design and analysis of this mirror test assembly.The assembly was installed in the 2014-15 shutdown and will be removed in the 2016-17 shutdown.
Original languageEnglish
JournalFusion Engineering and Design
Pages (from-to)1054-1057
Publication statusPublished - 2017


  • ITER-like first mirror
  • JET
  • Additive manufacturing
  • Remote handling
  • Disruption loads


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