1. Department of Applied Quantum Physics and Nuclear Engineering, Kyushu University Hakozaki 6-10-1, Higashi-ku, Fukuoka 812-8581, Japan. 81-92-642-4140, sfiikada@nucl.kyushu-u.ac.jp
2. Department of Advanced Energy Engineering Sciences, Kyushu University Hakozaki 6-10-1, Higashi-ku, Fukuoka 812-8581, Japan. 81-92-642-3783, nishikaw@nucl.kyushu-u.ac.jp
3. Research Operations Division, National Institute for Fusion Science Shitaishi-cho 322-6, Toki, 509-5292, Japan. 81-572-58-2155, sagara@lhd.nifs.ac.jp
4. Department of Quantum Engineering & Systems Science, University of Tokyo Hongo 7-3-1, Bunkyo-ku, Tokyo 113-8656, Japan. 81-3-5841-7010, tera@q.t.u-tokyo.ac.jp