1. [1] Y. Takeiri et al., Rev. Sci. Instrum. 71, 1225 (2006).
2. Overview of the RF source development programme at IPP Garching
3. Development of Negative-Ion Based NBI System for JT-60
4. [4] Y. Takeiri et al., “Confinement Improvement in High-Ion temperature Plasmas Heated with High Energy Negative NBI in LHD”, Fusion Energy 2006 (Proc. 21th IAEA Int, Conf., Chengdu, 2006) EX/P4-42 (2006).
5. [5] O. Kaneko et al., “High Performance Operation of Negative-Ion-Based Neutral Beam Injection System for the Large Helical Device”, Fusion Energy 2006 (Proc. 21th IAEA Int, Conf., Chengdu, 2006), FT/P5-4 (2006).