Title
Diagnostic mirrors with transparent protection layer for ITER Diagnostic mirrors with transparent protection layer for ITER
Author
Faculty/Department
Faculty of Sciences. Physics
Publication type
article
Publication
Lausanne :Elsevier science sa ,
Amsterdam
Subject
Physics
Engineering sciences. Technology
Source (journal)
Fusion engineering and design. - Amsterdam
Volume/pages
86(2011) :6/8 , p. 1341-1344
86(2011) :6-8 , p. 1341-1344
ISSN
0920-3796
ISI
000297426500203
Carrier
E
Target language
English (eng)
Full text (Publishers DOI)
Affiliation
University of Antwerp
Abstract
Fast degradation of in-vessel optics is one of the most serious problems for all optical diagnostics in ITER. To provide the resistance to mechanical and thermal stresses along with a high stability of optical characteristics under deposition-dominated conditions we suggest using high-reflective metallic (Ag or Al) film mirrors coated on silicon substrate and protected with thin oxide film in the divertor Thomson Scattering (TS) diagnostics. The mirrors coated with Al2O3 and ZrO2 films were tested under irradiation by deuterium ions. The experimental results on the oxide films sputtering are discussed in the context of their applicability for the first mirror protection in ITER.
E-info
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