Spectroscopic reflectometry of mirror surfaces during plasma exposure

M. Wisse, Baran Eren, L. Marot, R. Steiner, E. Meyer

Research output: Contribution to journalReview articlepeer-review

Abstract

An in situ spectroscopic reflectometry system has been built to investigate the evolution of the specular reflectivity spectrum of ITER first mirror samples during plasma exposure. Results are presented for three different types of molybdenum mirror samples that were exposed to deuterium plasma, including single crystalline, nanocrystalline, and polycrystalline molybdenum. The results show good agreement with ex situ measurements of the reflectivity spectrum before and after exposure and extend the results obtained in previous experiments.

Original languageEnglish
Article number013509
JournalReview of Scientific Instruments
Volume83
Issue number1
DOIs
StatePublished - Jan 2012

All Science Journal Classification (ASJC) codes

  • Instrumentation

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