Stokes-Doppler coherence imaging for ITER boundary tomography

J. Howard, M. Kocan, S. Lisgo, R. Reichle

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    4 Citations (Scopus)

    Abstract

    An optical coherence imaging system is presently being designed for impurity transport studies and other applications on ITER. The wide variation in magnetic field strength and pitch angle (assumed known) across the field of view generates additional Zeeman-polarization-weighting information that can improve the reliability of tomographic reconstructions. Because background reflected light will be somewhat depolarized analysis of only the polarized fraction may be enough to provide a level of background suppression. We present the principles behind these ideas and some simulations that demonstrate how the approach might work on ITER. The views and opinions expressed herein do not necessarily reflect those of the ITER Organization.

    Original languageEnglish
    Article number11E561
    JournalReview of Scientific Instruments
    Volume87
    Issue number11
    DOIs
    Publication statusPublished - 1 Nov 2016

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