Plasma and Fusion Research

Volume 17, 1401024 (2022)

Regular Articles

Development of an Excitation and Detection System of Electron Bernstein Waves in LATE
Xingyu GUO, Ryo ASHIDA, Yuto NOGUCHI1), Hitoshi TANAKA, Masaki UCHIDA and Takashi MAEKAWA
Graduate School of Energy Science, Kyoto University, Kyoto 606-8502, Japan
1)
Department of ITER Project, National Institutes for Quantum Science and Technology, 801-1 Mukoyama, Naka-shi, Ibaraki 311-0193, Japan
(Received 15 November 2021 / Accepted 18 February 2022 / Published 8 April 2022)

Abstract

In order to detect the wave pattern of electron Bernstein waves (EBWs), an excitation and detection system has been developed in Low Aspect ratio Torus Experiment (LATE). The system consists of a waveguide launcher with arbitrary polarization, a specially designed five-pin probe antenna, a two-dimensional (2-D) mechanical probe driving system, and a homodyne-type mixer circuit. The excitation and detection system has been tested in the air and shows reliable results.

Keywords

spherical tokamak, overdense plasma, mode conversion, electron Bernstein wave, direct detection

DOI: 10.1585/pfr.17.1401024

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