Installation of New Electron Cyclotron Emission Imaging in LHD

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<p>A new electron cyclotron emission imaging antenna was designed and installed outside the torus on LHD. To improve the signal quality, we developed a local oscillator integrated antenna array (LIA), in which each channel has an internal local oscillation supply from a frequency-multiplier-integrated circuit. The labyrinth structure of the optical system comprises five mirrors to protect the LIA from plasma neutron emission. The initial results were obtained from the 2017 LHD experimental campaign. The MHD fluctuations and their fluctuation profiles were observed.</p>


  • Plasma and Fusion Research

    Plasma and Fusion Research 13(0), 3402063-3402063, 2018

    The Japan Society of Plasma Science and Nuclear Fusion Research


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