Metal oxide coating on first mirror in fusion reactor with carbon wall

Xirui Hou, Zhengwei Wu, Paul K. Chu

    Research output: Journal Publications and ReviewsRGC 21 - Publication in refereed journalpeer-review

    1 Citation (Scopus)

    Abstract

    The lifetime of diagnostic equipment in a fusion reactor is typically very short. The first mirror used to reflect optical signals for diagnostics plays a crucial role in the reactor, and it is highly important to develop a more durable first mirror which can survive in the hostile environment. In this work, by conducting electron beam deposition on molybdenum substrates, metallic oxide mirrors are prepared and studied in the simulated environment. The multi-layered metal oxide mirror exhibits much higher reflectivity than the original molybdenum one and the in situ technique to monitor the performance of the first mirror is developed and described. © 2014 Elsevier B.V.
    Original languageEnglish
    Pages (from-to)464-469
    JournalSurface and Coatings Technology
    Volume240
    DOIs
    Publication statusPublished - 15 Feb 2014

    Research Keywords

    • Carbon contamination
    • Fusion reactor
    • Metal oxide coating
    • Reflectivity

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